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offshore vpsA virtual private server (“VPS”) is a form of web hosting, which uses data centre facilities to allow businesses to locate physical hardware to provide a direct ISP connection, with Forex VPS data centres or professional computer-server facilities providing the ability for trading entities to host their trading software for 24 hour operations. VPS hosting has been developed to make the best of both worlds, the most favourable components of shared hosting and dedicated hosting services, placing the website on a server that also has other sites running on it, the only difference being that there are few sites per server. Technology known as virtualization is used to compartmentalize a VPS centre.
offshore vpsA Virtual Private Server is simply a fancy way of saying a ‘cloud-based desktop PC’. As a user you’ll pay a monthly charge for your virtual machine; your virtual computer, that stays online 24/7 and never shuts down, that you can access for a variety of purposes. One of the biggest user cases of a VPS is Forex Trading. Traders, like you (or aspirational traders like you) want to use a VPS located in the same location, or as close as possible, as their broker. Not using a VPS can cost traders milliseconds between pushing the ‘buy’ or ‘sell button’ and the order actually arriving to the broker and being executed. These missed seconds (latency) will lose traders a lot of money over their trading career (in technical terms we call this slippage).
Hosting là gì? Tất cả những gì liên quan đến Hosting bạn không nên bỏ lỡ
26 Tháng Ba, 2020 Bởi Nguyễn Duy Kiệt Hosting là gì? Liệu rằng có bao nhiêu bạn đang đọc bài viết này hiểu hết về thuật ngữ trên. Kiệt tin chắc rằng những ai tìm đến đây là đều các tín đồ yêu thích thiết kế Website. Hơn hết, họ muốn tìm hiểu kỹ về Hosting hoạt động như thế nào, đặc tính cũng như cách cài đặt Hosting là gì… Bài viết của Kiệt sẽ giúp mọi người có cái nhìn tổng quan và chi tiết nhất về Hosting cũng như các vấn đề liên quan. 📷Hosting là gì?
Nói đến Website sẽ có vô vàn các kiến thức mà bạn cần phải nắm vững. Bởi chúng đều là tiền đề và là mấu chốt giúp bạn xây dựng lên một Website ấn tượng.
Khái niệm Hosting
Hosting còn được hiểu rộng rãi hơn là Web Hosting. Chúng chính là loại hình dịch vụ Online giúp xây dựng lên Website hay ứng dụng của Web lên mạng Internet. Để dễ hiểu hơn Kiệt sẽ ví một trang Web tựa như một ngôi nhà ảo trên mạng. Thông thường, một ngôi nhà sẽ hội tụ 3 yếu tố chính: địa chỉ, miếng đất và ngôi nhà cùng với các đồ nội thất bên trong. Bạn sẽ hiểu Domain chính là địa chỉ nhà, Hosting chính là miếng đất, WordPress chính là ngôi nhà. Miếng đất này to hay nhỏ tùy thuộc vào chi phí mà bạn mua. Từ đó, chúng liên quan đến chi phí Hosting. Chi phí này được chi phối bởi nhiều yếu tố như: dung lượng, băng thông, tài khoản FTP, Database SQL,…
Nên dùng Hosting miễn phí hay Hosting trả phí?
Hiện nay, bạn sẽ bắt gặp nhiều Hosting Free cho người dùng như: Hostinger, 000webhost,… Tuy nhiên, những Hosting Free này sẽ tồn tại rất nhiều nhược điểm:
Cấu hình thấp: Web không thể có tốc độ xử lý nhanh, xảy ra vô số lỗi
Không hỗ trợ: Quá trình xảy ra rủi ro bạn sẽ phải tự xử lý.
Cần có sự nâng cấp.
Thực tế, bạn không thể sử dụng Hosting miễn phí mãi mãi. Bởi các nhà cung cấp chỉ cho bạn dùng trong một khoảng thời gian giới hạn nào đó. Nếu bạn muốn dùng tiếp thì cần phải trả phí. Do đó, để sở hữu một Website chất lượng ngay từ đầu, bạn hãy đầu tư Hosting thật tốt và chất lượng.
Các loại Hosting
Để hiểu hơn về Hosting là gì thì bạn không thể bỏ qua việc nắm rõ các thể loại Hosting. Để đáp ứng nhu cầu đa dạng của khách hàng, nhà sản xuất đã cho ra đời rất nhiều loại Hosting. Dưới đây là một số Hosting phổ biến và được ưa chuộng nhất: 📷Dạng Shared Hosting
Shared Hosting: Hầu hết các doanh nghiệp có quy mô nhỏ sẽ có xu hướng sử dụng Hosting này. Chúng có ưu điểm về giá thành thấp, cấu hình sẵn, dễ dùng…
VPS (Virtual Private Server) Hosting: Loại Hosting này rất phù hợp với doanh nghiệp có quy mô vừa phải. Người dùng được sở hữu tài nguyên Server riêng.
Cloud Hosting: Đây là loại Hosting được nhiều người dùng ưa chuộng và đánh giá cao.
WordPress Hosting: Giá thành thấp, dễ dùng đối với người mới bắt đầu.
Dedicated Server: Giá thành khá cao, tính linh hoạt tốt.
Có lẽ với các bạn lần đầu tìm hiểu về Website sẽ thắc mắc tính năng của Hosting là gì? Đa số Web Hosting bao gồm rất nhiều tính năng: 📷Web Hosting có tính năng gì?
Tên Miền (Domain)
Tên miền chính là địa chỉ hiển thị của Website giúp người dùng có thể nhận diện và ghi nhớ. Nhờ có tên miền mà Web được hiển thị trên Internet một cách dễ dàng thông qua cách thức mã hóa IP.
Dung lượng lưu trữ (Disk Page)
Disk Page nói lên khả năng lưu trữ dữ liệu của Website. Nếu dung lượng lưu trữ đã được sử dụng hết thì Web sẽ trở lên chậm chạp. Rất nhiều người đã rơi vào tình huống này. Hầu hết họ sẽ lựa chọn phương án nâng cấp.
Băng thông (Bandwidth)
Đây chính là lượng dữ liệu có thể truyền tải tối đa trong khoảng thời gian nhất định. Tốc độ truy cập Web nhanh hay chậm phụ thuộc vào dung lượng của băng thông còn nhiều hay ít.
Cơ chế bảo mật, sao lưu và phục hồi dữ liệu
Bạn cần biết rằng, cách tốt nhất để đảm bảo Web hoạt động tốt là bạn nên Copy 1 tuần/lần thông qua DIGISTAR, Mắt Bão hay PA, … Bạn cần tránh sao lưu mỗi ngày bởi chúng sẽ gây lãng phí tiền mà lại khiến Web khó bảo mật.
Phần mềm hỗ trợ kèm theo
Đa phần Web Hosting sẽ có các phần mềm hỗ trợ kèm theo. Chúng có thể là phần mềm Upload hoặc Download. Điển hình là các phần mềm như: Directadmin, Plesk, Ecopark,… Ngoài các tính năng trên, Hosting còn có:
Tương thích mã nguồn thông dụng
Tương thích phiên bản lập trình.
Cách hoạt động của Hosting
Thực tế cho dù Hosting thuộc loại nào đi chăng nữa thì cũng cần tuân thủ theo nguyên tắc hoạt động chung. Chúng gồm có: 📷Dù loại Hosting nào cũng hoạt động theo nguyên lý căn bản
Phía nhà cung cấp
Nhà cung cấp cần đáp ứng Server lưu trữ cho khách hàng có nhu cầu dùng Hosting. Thông qua việc share tài nguyên trên Server để tạo ra những không gian lưu trữ nhỏ. hính các không gian lưu trữ này được mang tên gọi là Hosting. Tùy vào mức độ chi phí mà người dùng đăng ký mà cấu hình của Hosting sẽ được cung cấp tương ứng. Chi phí càng cao Hosting càng lớn. Bất kỳ thời điểm nào mà người dùng mong muốn mở rộng hoặc thu nhỏ Hosting thì nhà cung cấp sẽ căn chỉnh lại cho phù hợp. Xem thêm:Thị trường ngách là gì?
Phía người dùng
Đối với người dùng Hosting họ sẽ cần Upload toàn bộ Files lên Hosting. Ngoài ra, những cấu hình hoạt động của chúng cũng được tải lên rõ ràng và đầy đủ. Người dùng có khả năng truy cập Hosting bởi những thiết bị có kết nối mạng. Họ sẽ thực hiện bằng cách gửi Request đến Domain Name hoặc địa chỉ IP của Hosting. Khi đó, Hosting sẽ có nhiệm vụ trả về toàn bộ Files mà người dùng yêu cầu tương ứng. Trong quá trình dùng, mọi người có thể điều chỉnh gói Hosting phù hợp với nhu cầu thông qua việc liên hệ đến nhà cung cấp. Mọi thứ sẽ được thực hiện nhanh chóng theo đúng những gì mà bên người dùng đề ra.
Các bước cài đặt Hosting
Mấu chốt giúp cho Web Hosting được đưa vào vận hành đó là thông qua các bước cài đặt. Vậy Hosting là gì các bước thực hiện trong quá trình cài đặt ra sao? Tất cả điều này sẽ được Kiệt chỉ dẫn chi tiết qua hai cách cài dưới đây.
Cách cài đặt Hosting qua FTP
Với cách cài đặt Hosting này, bạn cần biết đến FileZilla. Bởi chúng chính là trợ thủ đắc lực giúp cho quá trình thiết kế, chuyển đổi Web cũng như Upload dữ liệu được thuận lợi giữa Host và máy tính. Nếu bạn muốn truyền tải, Upload những tệp có dung lượng lớn hoặc khôi phục, khắc phục lỗi của việc truyền tải,… thì FileZilla chính là lựa chọn hoàn hảo nhất. Đầu tiên bạn cần Download và tiến hành cài đặt FileZilla. Sau đó, bạn mở và truy cập vào phần mềm này. 📷Mở và truy cập phần mềm FileZilla. Tiếp theo, bạn tiến hành kéo và thả dữ liệu Website từ mục tại Local Site đến Remote Site. Thư mục hướng đến chính là là public_html ngay gần Remote Site. 📷Tiến tới thư mục đích public_html Bước cuối cùng bạn cần Truy cập và dùng Website tại trình duyệt của bạn. Từ đây, bạn sẽ nhận thấy quá trình chạy Web Hosting không có gì là quá phức tạp.
Cách cài đặt Hosting qua cPanel
cPanel hiện đang là phần mềm quản lý Hosting đứng vị trí hàng đầu và được ưa chuộng nhất. Chúng sở hữu với số điểm mạnh mà người dùng rất hài lòng. Điển hình như:
Giao diện cực kỳ đẹp
Mang lại cảm giác dễ chịu bởi sự tối giản
Nguồn tài nguyên phong phú và lớn
Tính linh hoạt cao,…
Quá trình cài đặt Hosting được thực hiện như sau: Vào mục Cpanel → mục Files → File Manager 📷Truy cập cPanel Tiếp theo truy cập mục public_html 📷Mở thư mục public_html Chọn Upload file public_html. Hoặc bạn tiến hành Select File nhằm Upload một File riêng biệt. 📷Upload File public_html Quá trình Upload diễn ra thành công, bạn sẽ thấy xuất hiện File Archive trong File public_html. Lúc này bạn sẽ kích chuột vào public_html rồi chọn Extract. 📷Chọn File Extract Lúc này, bạn sẽ nhìn thấy giao diện của File Extract được hiển thị như dưới: 📷Giao diện của File Extract Cuối cùng bạn chỉ cần truy cập và dùng Website ở trình duyệt của bạn. 📷Truy cập và dùng Website Hy vọng với những gì mà Kiệt chia sẻ như trên, bạn đã hiểu hơn về Hosting là gì. Cũng từ đây, bạn đã có trong tay 2 cách cài đặt Hosting đơn giản và tiện lợi. Chắc chắn bạn sẽ hài lòng với trang Web do chính tay mình thiết kế. Nếu bạn còn điều gì băn khoăn có thể liên hệ tới https://duykiet.com/. Đừng quên ghé thăm Duy Kiệt Web để tìm kiếm thêm nhiều thuật ngữ có thể bạn cần biết nữa nhé! 4.5 / 5 ( 2 bình chọn )
📷 Duy Kiệt / Nguyễn Duy Kiệt Tôi đã có 5 năm kinh nghiệm trong lĩnh vực digital marketing, đầu tư tài chính, kinh doanh và MMO . Tôi có nhiều dịch vụ, các khóa học marketing, tư vấn doanh nghiệp, marketing tổng thể xin vui lòng liên hệ 0969.5678.33 Connect with 📷 {} [+] 0 COMMENTS 📷 Phan Gia Uy 5 months ago Holaaaaa! mil gracias y felicitaciones, este tutorial es simplemente perfecto. Saludos desde Japón. 0 Reply
These FX trading tools lets the user take their own algorithms and strategies and run them together. It allows for algorithmic strategy building along with no need for coding knowledge. For anyone that wishes to formalise their style of trading using algorithms. It offers: • A simple to use drag and drop interface • Ability to connect technical indicators and math functions • Templates that are easy to customise • The ability to implement strategies for platforms including cTrader and MT4 • Both videos and e-book for those just starting out VPS Want an FX trading tool that will be online 24/7? That's just what VPS (Virtual Private Server) is capable of. It's a remote computer made available to traders that are algorithmic. It gives the option of complete automation for trading, the terminal doesn't even have to stay running. The main benefit of this Fx trading tool is no interruptions. Expect lowered latency and zero down time! No reboots and protection of EAs are two benefits that have professionals using VPS more often than ever. Even set up will go on without a hitch using an easy step-by-step guide. Of course, having professionals set it up ensures that it's done right, and that traders are trained accordingly. The Economic Calendar A simple to use economic calendar is a priceless FX trading tool. It allows the trader to plan his or her day by the minute. Take control of currently released and previous reports that have been released as well as volatility generated and consensus forecasts. Knowing upcoming events that will happen in just the next few hours as well as days, weeks and months gives one an edge on other traders. Many are happy to know that there are automatic updates and live views of released event data. The ability to view previous events and analyse their effect on the market is invaluable and could easily make for better trades. Ease of Use No matter which economic calendar is chosen, one will see all the scheduled events broken down for the day at hand. By selecting an individual event, one will get even more information and data that can help make more than informed decisions on trading. Expect to see how much time is left until the next event, as well as those that have already happened. Expected volatility is presented as well as prior percentages and an actual consensus. All of these benefits will help anyone make the most informed decisions possible. Mobile Apps The Forex calendar is customisable so only what one wants to be informed of is seen. This makes it easy for beginners, and less stressful for experienced traders. One can change the time zone, country, category and volatility level to get detailed results that cater to their needs. Staying up-to-date on all the latest developments is easy with mobile apps for both Android and Apple devices. The calendar app can also be downloaded so that wherever one goes they have access to whatever information they need. Conclusion These are just a few of the FX trading tools available on the market. Aligning with experts in Forex is a smart way to ensure that one is getting the best setup for their personal trading needs and style. Forex can be a complicated platform for trade, but it can also be simple when the right tools and help are obtained.
The offshore-based FX and CFDs broker ITRADER has three trading accounts. The accounts are called Silver, Gold, and Platinum. The brokers provide an Islamic account to Muslim traders that enable swap-free trade. In this ITRADER review, we will investigate this broker thoroughly and find out its offers and reality.
About ITRADER:
The offshore-based FX and CFDs broker ITRADER claim its inception in early 2012. The trading assets offered are 50 FX pairs, and CFDs on several commodities, indices, stocks. It offers traders a well-established MetaTrader trading terminal. The firm called Hoch Capital Limited manages the ITRADER trademark. The brokers claim its registration at the Cyprus Securities and Exchange Commission, Cyprus. The CySEC imposes many rules and regulations on the brokerage provider in its country. These are maintenance of 7,30,000 euros, and also advises brokers to segregate trading accounts. The broker also claims to offer Investor Compensation Fund to the traders. It helps traders to avoid loss and scam. Also; all the brokerage providers under CySEC are entitled to MiFID compliance. It enables brokers to perform cross border business in the EU. The initial investment needed to open an account with ITRADER is 250 USD. The initial deposits are according to the current market situation. However, many regulated brokers offer the same services at 5 USD. The trade at ITRADER is commission-free. The spreads provided according to the types of accounts. The spread on the Silver account is at 2.2 pips, Gold account at 1.3 pips, and Platinum account at 0.7 pips on significant FX pair of EUUSD. The spread of 0.7 is profitable, but it requires a higher initial deposition. The offered leverages are in between 1:200 to 1:500. The provided leverages are according to the current market value but can make colossal profit or loss. The broker offers to trade on versatile and easy to use a trading platform MetaTrader. It is available on all operating systems like iOS, Android, and Windows. MT is the top-rated trading platforms. ITRADER offers Virtual Private Server to its traders for extra security in FX and CFDs trade. Many payment gateways manage the payment funding and withdrawal of profits. They are cards, and bank transfers are few to mention. Unfortunately, Skrill and Neteller not provided.
Is ITRADER scam or legit?
ITRADER is a regulated and licensed FX broker by CySEC. The trading conditions offered are higher. The trading platform provided is MetaTrader and is a good sign. However, offshore nature is worrisome. ITRADER may be a potential forex scam broker.
Which are your Top 5 favourite coins out of the Top 100? An analysis.
I am putting together my investment portfolio for 2018 and made a complete summary of the current Top 100. Interestingly, I noticed that all coins can be categorized into 12 markets. Which markets do you think will play the biggest role in the coming year? Here is a complete overview of all coins in an excel sheet including name, market, TPS, risk profile, time since launch (negative numbers mean that they are launching that many months in the future) and market cap. You can also sort by all of these fields of course. Coins written in bold are the strongest contenders within their market either due to having the best technology or having a small market cap and still excellent technology and potential. https://docs.google.com/spreadsheets/d/1s8PHcNvvjuy848q18py_CGcu8elRGQAUIf86EYh4QZo/edit#gid=0 The 12 markets are
Currency 13 coins
Platform 25 coins
Ecosystem 9 coins
Privacy 10 coins
Currency Exchange Tool 8 coins
Gaming & Gambling 5 coins
Misc 15 coins
Social Network 4 coins
Fee Token 3 coins
Decentralized Data Storage 4 coins
Cloud Computing 3 coins
Stable Coin 2 coins
Before we look at the individual markets, we need to take a look of the overall market and its biggest issue scalability first: Cryptocurrencies aim to be a decentralized currency that can be used worldwide. Its goal is to replace dollar, Euro, Yen, all FIAT currencies worldwide. The coin that will achieve that will be worth several trillion dollars. Bitcoin can only process 7 transactions per second (TPS). In order to replace all FIAT, it would need to perform at at least VISA levels, which usually processes around 3,000 TPS, up to 25,000 TPS during peak times and a maximum of 64,000 TPS. That means that this cryptocurrency would need to be able to perform at least several thousand TPS. However, a ground breaking technology should not look at current technology to set a goal for its use, i.e. estimating the number of emails sent in 1990 based on the number of faxes sent wasn’t a good estimate. For that reason, 10,000 TPS is the absolute baseline for a cryptocurrency that wants to replace FIAT. This brings me to IOTA, which wants to connect all 80 billion IoT devices that are expected to exist by 2025, which constantly communicate with each other, creating 80 billion or more transactions per second. This is the benchmark that cryptocurrencies should be aiming for. Currently, 8 billion devices are connected to the Internet. With its Lightning network recently launched, Bitcoin is realistically looking at 50,000 possible soon. Other notable cryptocurrencies besides IOTA and Bitcoin are Nano with 7,000 TPS already tested, Dash with several billion TPS possible with Masternodes, Neo, LISK and RHOC with 100,000 TPS by 2020, Ripple with 50,000 TPS, Ethereum with 10,000 with Sharding. However, it needs to be said that scalability usually goes at the cost of decentralization and security. So, it needs to be seen, which of these technologies can prove itself resilient and performant. Without further ado, here are the coins of the first market
Market 1 - Currency:
Bitcoin: 1st generation blockchain with currently bad scalability currently, though the implementation of the Lightning Network looks promising and could alleviate most scalability concerns, scalability and high energy use.
Ripple: Centralized currency that might become very successful due to tight involvement with banks and cross-border payments for financial institutions; banks and companies like Western Union and Moneygram (who they are currently working with) as customers customers. However, it seems they are aiming for more decentralization now.https://ripple.com/dev-blog/decentralization-strategy-update/. Has high TPS due to Proof of Correctness algorithm.
Bitcoin Cash: Bitcoin fork with the difference of having an 8 times bigger block size, making it 8 times more scalable than Bitcoin currently. Further block size increases are planned. Only significant difference is bigger block size while big blocks lead to further problems that don't seem to do well beyond a few thousand TPS. Opponents to a block size argue that increasing the block size limit is unimaginative, offers only temporary relief, and damages decentralization by increasing costs of participation. In order to preserve decentralization, system requirements to participate should be kept low. To understand this, consider an extreme example: very big blocks (1GB+) would require data center level resources to validate the blockchain. This would preclude all but the wealthiest individuals from participating.Community seems more open than Bitcoin's though.
Litecoin : Little brother of Bitcoin. Bitcoin fork with different mining algorithm but not much else.Copies everything that Bitcoin does pretty much. Lack of real innovation.
Dash: Dash (Digital Cash) is a fork of Bitcoin and focuses on user ease. It has very fast transactions within seconds, low fees and uses Proof of Service from Masternodes for consensus. They are currently building a system called Evolution which will allow users to send money using usernames and merchants will find it easy to integrate Dash using the API. You could say Dash is trying to be a PayPal of cryptocurrencies. Currently, cryptocurrencies must choose between decentralization, speed, scalability and can pick only 2. With Masternodes, Dash picked speed and scalability at some cost of decentralization, since with Masternodes the voting power is shifted towards Masternodes, which are run by Dash users who own the most Dash.
IOTA: 3rd generation blockchain called Tangle, which has a high scalability, no fees and instant transactions. IOTA aims to be the connective layer between all 80 billion IOT devices that are expected to be connected to the Internet in 2025, possibly creating 80 billion transactions per second or 800 billion TPS, who knows. However, it needs to be seen if the Tangle can keep up with this scalability and iron out its security issues that have not yet been completely resolved.
Nano: 3rd generation blockchain called Block Lattice with high scalability, no fees and instant transactions. Unlike IOTA, Nano only wants to be a payment processor and nothing else, for now at least. With Nano, every user has their own blockchain and has to perform a small amount of computing for each transaction, which makes Nano perform at 300 TPS with no problems and 7,000 TPS have also been tested successfully. Very promising 3rd gen technology and strong focus on only being the fastest currency without trying to be everything.
Decred: As mining operations have grown, Bitcoin’s decision-making process has become more centralized, with the largest mining companies holding large amounts of power over the Bitcoin improvement process. Decred focuses heavily on decentralization with their PoW Pos hybrid governance system to become what Bitcoin was set out to be. They will soon implement the Lightning Network to scale up. While there do not seem to be more differences to Bitcoin besides the novel hybrid consensus algorithm, which Ethereum, Aeternity and Bitcoin Atom are also implementing, the welcoming and positive Decred community and professoinal team add another level of potential to the coin.
Aeternity: We’ve seen recently, that it’s difficult to scale the execution of smart contracts on the blockchain. Crypto Kitties is a great example. Something as simple as creating and trading unique assets on Ethereum bogged the network down when transaction volume soared. Ethereum and Zilliqa address this problem with Sharding. Aeternity focuses on increasing the scalability of smart contracts and dapps by moving smart contracts off-chain. Instead of running on the blockchain, smart contracts on Aeternity run in private state channels between the parties involved in the contracts. State channels are lines of communication between parties in a smart contract. They don’t touch the blockchain unless they need to for adjudication or transfer of value. Because they’re off-chain, state channel contracts can operate much more efficiently. They don’t need to pay the network for every time they compute and can also operate with greater privacy. An important aspect of smart contract and dapp development is access to outside data sources. This could mean checking the weather in London, score of a football game, or price of gold. Oracles provide access to data hosted outside the blockchain. In many blockchain projects, oracles represent a security risk and potential point of failure, since they tend to be singular, centralized data streams. Aeternity proposes decentralizing oracles with their oracle machine. Doing so would make outside data immutable and unchangeable once it reaches Aeternity’s blockchain. Of course, the data source could still be hacked, so Aeternity implements a prediction market where users can bet on the accuracy and honesty of incoming data from various oracles.It also uses prediction markets for various voting and verification purposes within the platform. Aeternity’s network runs on on a hybrid of proof of work and proof of stake. Founded by a long-time crypto-enthusiast and early colleague of Vitalik Buterin, Yanislav Malahov. Promising concept though not product yet
Bitcoin Atom: Atomic Swaps and hybrid consenus. This looks like the only Bitcoin clone that actually is looking to innovate next to Bitcoin Cash.
Dogecoin: Litecoin fork, fantastic community, though lagging behind a bit in technology.
Bitcoin Gold: A bit better security than bitcoin through ASIC resistant algorithm, but that's it. Not that interesting.
Digibyte: Digibyte's PoS blockchain is spread over a 100,000+ servers, phones, computers, and nodes across the globe, aiming for the ultimate level of decentralization. DigiByte rebalances the load between the five mining algorithms by adjusting the difficulty of each so one algorithm doesn’t become dominant. The algorithm's asymmetric difficulty has gained notoriety and been deployed in many other blockchains.DigiByte’s adoption over the past four years has been slow. It’s still a relatively obscure currency compared its competitors. The DigiByte website offers a lot of great marketing copy and buzzwords. However, there’s not much technical information about what they have planned for the future. You could say Digibyte is like Bitcoin, but with shorter blocktimes and a multi-algorithm. However, that's not really a difference big enough to truly set themselves apart from Bitcoin, since these technologies could be implemented by any blockchain without much difficulty. Their decentralization is probably their strongest asset, however, this also change quickly if the currency takes off and big miners decide to go into Digibyte.
Bitcoin Diamond Asic resistant Bitcoin and Copycat
Market 2 - Platform
Most of the cryptos here have smart contracts and allow dapps (Decentralized apps) to be build on their platform and to use their token as an exchange of value between dapp services.
Ethereum: 2nd generation blockchain that allows the use of smart contracts. Bad scalability currently, though this concern could be alleviated by the soon to be implemented Lightning Network aka Plasma and its Sharding concept.
EOS: Promising technology that wants to be able do everything, from smart contracts like Ethereum, scalability similar to Nano with 1000 tx/second + near instant transactions and zero fees, to also wanting to be a platform for dapps. However, EOS doesn't have a product yet and everything is just promises still. Highly overvalued right now. However, there are lots of red flags, have dumped $500 million Ether over the last 2 months and possibly bought back EOS to increase the size of their ICO, which has been going on for over a year and has raised several billion dollars. All in all, their market cap is way too high for that and not even having a product.
Cardano: Similar to Ethereum/EOS, however, only promises made with no delivery yet, highly overrated right now. Interesting concept though. Market cap way too high for not even having a product. Somewhat promising technology.
VeChain: Singapore-based project that’s building a business enterprise platform and inventory tracking system. Examples are verifying genuine luxury goods and food supply chains. Has one of the strongest communities in the crypto world. Most hyped token of all, with merit though.
Neo: Neo is a platform, similar to Eth, but more extensive, allowing dapps and smart contracts, but with a different smart contract gas system, consensus mechanism (PoS vs. dBfT), governance model, fixed vs unfixed supply, expensive contracts vs nearly free contracts, different ideologies for real world adoption. There are currently only 9 nodes, each of which are being run by a company/entity hand selected by the NEO council (most of which are located in china) and are under contract. This means that although the locations of the nodes may differ, ultimately the neo council can bring them down due to their legal contracts. In fact this has been done in the past when the neo council was moving 50 million neo that had been locked up. Also dbft (or neo's implmentation of it) has failed underload causing network outages during major icos. The first step in decentralization is that the NEO Counsel will select trusted nodes (Universities, business partners, etc.) and slowly become less centralized that way. The final step in decentralization will be allowing NEO holders to vote for new nodes, similar to a DPoS system (ARK/EOS/LISK). NEO has a regulation/government friendly ideology. Finally they are trying to work undewith the Chinese government in regards to regulations. If for some reason they wanted it shut down, they could just shut it down.
Stellar: PoS system, similar goals as Ripple, but more of a platform than only a currency. 80% of Stellar are owned by Stellar.org still, making the currency centralized.
Ethereum classic: Original Ethereum that decided not to fork after a hack. The Ethereum that we know is its fork. Uninteresing, because it has a lot of less resources than Ethereum now and a lot less community support.
Ziliqa: Zilliqa is building a new way of sharding. 2400 tpx already tested, 10,000 tps soon possible by being linearly scalable with the number of nodes. That means, the more nodes, the faster the network gets. They are looking at implementing privacy as well.
QTUM: Enables Smart contracts on the Bitcoin blockchain. Useful.
Icon: Korean ethereum. Decentralized application platform that's building communities in partnership with banks, insurance providers, hospitals, and universities. Focused on ID verification and payments. No big differentiators to the other 20 Ethereums, except that is has a product. That is a plus. Maybe cheap alternative to Ethereum.
LISK: Lisk's difference to other BaaS is that side chains are independent to the main chain and have to have their own nodes. Similar to neo whole allows dapps to deploy their blockchain to. However, Lisk is currently somewhat centralized with a small group of members owning more than 50% of the delegated positions. Lisk plans to change the consensus algorithm for that reason in the near future.
Rchain: Similar to Ethereum with smart contract, though much more scalable at an expected 40,000 TPS and possible 100,000 TPS. Not launched yet. No product launched yet, though promising technology. Not overvalued, probably at the right price right now.
ARDR: Similar to Lisk. Ardor is a public blockchain platform that will allow people to utilize the blockchain technology of Nxt through the use of child chains. A child chain, which is a ‘light’ blockchain that can be customized to a certain extent, is designed to allow easy self-deploy for your own blockchain. Nxt claims that users will "not need to worry" about security, as that part is now handled by the main chain (Ardor). This is the chief innovation of Ardor. Ardor was evolved from NXT by the same company. NEM started as a NXT clone.
Ontology: Similar to Neo. Interesting coin
Bytom: Bytom is an interactive protocol of multiple byte assets. Heterogeneous byte-assets (indigenous digital currency, digital assets) that operate in different forms on the Bytom Blockchain and atomic assets (warrants, securities, dividends, bonds, intelligence information, forecasting information and other information that exist in the physical world) can be registered, exchanged, gambled and engaged in other more complicated and contract-based interoperations via Bytom.
Nxt: Similar to Lisk
Stratis: Different to LISK, Stratis will allow businesses and organizations to create their own blockchain according to their own needs, but secured on the parent Stratis chain. Stratis’s simple interface will allow organizations to quickly and easily deploy and/or test blockchain functionality of the Ethereum, BitShares, BitCoin, Lisk and Stratis environements.
Status: Status provides access to all of Ethereum’s decentralized applications (dapps) through an app on your smartphone. It opens the door to mass adoption of Ethereum dapps by targeting the fastest growing computer segment in the world – smartphone users.16. Ark: Fork of Lisk that focuses on a smaller feature set. Ark wallets can only vote for one delegate at a time which forces delegates to compete against each other and makes cartel formations incredibly hard, if not impossible.
Neblio: Similar to Neo, but 30x smaller market cap.
NEM: Is similar to Neo No marketing team, very high market cap for little clarilty what they do.
Bancor: Bancor is a Decentralized Liquidity Network that allows you to hold any Ethereum token and convert it to any other token in the network, with no counter party, at an automatically calculated price, using a simple web wallet.
Dragonchain: The Purpose of DragonChain is to help companies quickly and easily incorporate blockchain into their business applications. Many companies might be interested in making this transition because of the benefits associated with serving clients over a blockchain – increased efficiency and security for transactions, a reduction of costs from eliminating potential fraud and scams, etc.
Skycoin: Transactions with zero fees that take apparently two seconds, unlimited transaction rate, no need for miners and block rewards, low power usage, all of the usual cryptocurrency technical vulnerabilities fixed, a consensus mechanism superior to anything that exists, resistant to all conceivable threats (government censorship, community infighting, cybenucleaconventional warfare, etc). Skycoin has their own consensus algorithm known as Obelisk written and published academically by an early developer of Ethereum. Obelisk is a non-energy intensive consensus algorithm based on a concept called ‘web of trust dynamics’ which is completely different to PoW, PoS, and their derivatives. Skywire, the flagship application of Skycoin, has the ambitious goal of decentralizing the internet at the hardware level and is about to begin the testnet in April. However, this is just one of the many facets of the Skycoin ecosystem. Skywire will not only provide decentralized bandwidth but also storage and computation, completing the holy trinity of commodities essential for the new internet. Skycion a smear campaign launched against it, though they seem legit and reliable. Thus, they are probably undervalued.
Market 3 - Ecosystem
The 3rd market with 11 coins is comprised of ecosystem coins, which aim to strengthen the ease of use within the crypto space through decentralized exchanges, open standards for apps and more
Nebulas: Similar to how Google indexes webpages Nebulas will index blockchain projects, smart contracts & data using the Nebulas rank algorithm that sifts & sorts the data. Developers rewarded NAS to develop & deploy on NAS chain. Nebulas calls this developer incentive protocol – basically rewards are issued based on how often dapp/contract etc. is used, the more the better the rewards and Proof of devotion. Works like DPoS except the best, most economically incentivised developers (Bookkeeppers) get the forging spots. Ensuring brains stay with the project (Cross between PoI & PoS). 2,400 TPS+, DAG used to solve the inter-transaction dependencies in the PEE (Parallel Execution Environment) feature, first crypto Wallet that supports the Lightening Network.
Waves: Decentralized exchange and crowdfunding platform. Let’s companies and projects to issue and manage their own digital coin tokens to raise money.
Salt: Leveraging blockchain assets to secure cash loands. Plans to offer cash loans in traditional currencies, backed by your cryptocurrency assets. Allows lenders worldwide to skip credit checks for easier access to affordable loans.
CHAINLINK: ChainLink is a decentralized oracle service, the first of its kind. Oracles are defined as an ‘agent’ that finds and verifies real-world occurrences and submits this information to a blockchain to be used in smart contracts.With ChainLink, smart contract users can use the network’s oracles to retrieve data from off-chain application program interfaces (APIs), data pools, and other resources and integrate them into the blockchain and smart contracts. Basically, ChainLink takes information that is external to blockchain applications and puts it on-chain. The difference to Aeternity is that Chainlink deploys the smart contracts on the Ethereum blockchain while Aeternity has its own chain.
WTC: Combines blockchain with IoT to create a management system for supply chains Interesting
Ethos unifyies all cryptos. Ethos is building a multi-cryptocurrency phone wallet. The team is also building an investment diversification tool and a social network
Aion: Aion is the token that pays for services on the Aeternity platform.
USDT: is no cryptocurrency really, but a replacement for dollar for trading After months of asking for proof of dollar backing, still no response from Tether.
Market 4 - Privacy
The 4th market are privacy coins. As you might know, Bitcoin is not anonymous. If the IRS or any other party asks an exchange who is the identity behind a specific Bitcoin address, they know who you are and can track back almost all of the Bitcoin transactions you have ever made and all your account balances. Privacy coins aim to prevent exactly that through address fungability, which changes addresses constantly, IP obfuscation and more. There are 2 types of privacy coins, one with completely privacy and one with optional privacy. Optional Privacy coins like Dash and Nav have the advantage of more user friendliness over completely privacy coins such as Monero and Enigma.
Monero: Currently most popular privacy coin, though with a very high market cap. Since their privacy is all on chain, all prior transactions would be deanonymized if their protocol is ever cracked. This requires a quantum computing attack though. PIVX is better in that regard.
Zcash: A decentralized and open-source cryptocurrency that hide the sender, recipient, and value of transactions. Offers users the option to make transactions public later for auditing. Decent privacy coin, though no default privacy
Verge: Calls itself privacy coin without providing private transactions, multiple problems over the last weeks has a toxic community, and way too much hype for what they have.
Bytecoin: First privacy-focused cryptocurrency with anonymous transactions. Bytecoin’s code was later adapted to create Monero, the more well-known anonymous cryptocurrency. Has several scam accusations, 80% pre-mine, bad devs, bad tech
Bitcoin Private: A merge fork of Bitcoin and Zclassic with Zclassic being a fork of Zcash with the difference of a lack of a founders fee required to mine a valid block. This promotes a fair distribution, preventing centralized coin ownership and control. Bitcoin private offers the optional ability to keep the sender, receiver, and amount private in a given transaction. However, this is already offered by several good privacy coins (Monero, PIVX) and Bitcoin private doesn't offer much more beyond this.
Komodo: The Komodo blockchain platform uses Komodo’s open-source cryptocurrency for doing transparent, anonymous, private, and fungible transactions. They are then made ultra-secure using Bitcoin’s blockchain via a Delayed Proof of Work (dPoW) protocol and decentralized crowdfunding (ICO) platform to remove middlemen from project funding. Offers services for startups to create and manage their own Blockchains.
PIVX: As a fork of Dash, PIVX uses an advanced implementation of the Zerocoin protocol to provide it’s privacy. This is a form of zeroknowledge proofs, which allow users to spend ‘Zerocoins’ that have no link back to them. Unlike Zcash u have denominations in PIVX, so they can’t track users by their payment amount being equal to the amount of ‘minted’ coins, because everyone uses the same denominations. PIVX is also implementing Bulletproofs, just like Monero, and this will take care of arguably the biggest weakness of zeroknowledge protocols: the trusted setup.
Zcoin: PoW cryptocurrency. Private financial transactions, enabled by the Zerocoin Protocol. Zcoin is the first full implementation of the Zerocoin Protocol, which allows users to have complete privacy via Zero-Knowledge cryptographic proofs.
Enigma: Monero is to Bitcoin what enigma is to Ethereum. Enigma is for making the data used in smart contracts private. More of a platform for dapps than a currency like Monero. Very promising.
Navcoin: Like bitcoin but with added privacy and pos and 1,170 tps, but only because of very short 30 second block times. Though, privacy is optional, but aims to be more user friendly than Monero. However, doesn't really decide if it wants to be a privacy coin or not. Same as Zcash.Strong technology, non-shady team.
Tenx: Raised 80 million, offers cryptocurrency-linked credit cards that let you spend virtual money in real life. Developing a series of payment platforms to make spending cryptocurrency easier. However, the question is if full privacy coins will be hindered in growth through government regulations and optional privacy coins will become more successful through ease of use and no regulatory hindrance.
Market 5 - Currency Exchange Tool
Due to the sheer number of different cryptocurrencies, exchanging one currency for the other it still cumbersome. Further, merchants don’t want to deal with overcluttered options of accepting cryptocurrencies. This is where exchange tool like Req come in, which allow easy and simple exchange of currencies.
Cryptonex: Fiat and currency exchange between various blockchain services, similar to REQ.
QASH: Qash is used to fuel its liquid platform which will be an exchange that will distribute their liquidity pool. Its product, the Worldbook is a multi-exchange order book that matches crypto to crypto, and crypto to fiat and the reverse across all currencies. E.g., someone is selling Bitcoin is USD on exchange1 not owned by Quoine and someone is buying Bitcoin in EURO on exchange 2 not owned by Quoine. If the forex conversions and crypto conversions match then the trade will go through and the Worldbook will match it, it'll make the sale and the purchase on either exchange and each user will get what they wanted, which means exchanges with lower liquidity if they join the Worldbook will be able to fill orders and take trade fees they otherwise would miss out on.They turned it on to test it a few months ago for an hour or so and their exchange was the top exchange in the world by 4x volume for the day because all Worldbook trades ran through it. Binance wants BNB to be used on their one exchange. Qash wants their QASH token embedded in all of their partners. More info here https://www.reddit.com/CryptoCurrency/comments/8a8lnwhich_are_your_top_5_favourite_coins_out_of_the/dwyjcbb/?context=3
Kyber: network Exchange between cryptocurrencies, similar to REQ. Features automatic coin conversions for payments. Also offers payment tools for developers and a cryptocurrency wallet.
Achain: Building a boundless blockchain world like Req .
Req: Exchange between cryptocurrencies.
Bitshares: Exchange between cryptocurrencies. Noteworthy are the 1.5 second average block times and throughput potential of 100,000 transactions per second with currently 2,400 TPS having been proven. However, bitshares had several Scam accusations in the past.
Loopring: A protocol that will enable higher liquidity between exchanges and personal wallets.
ZRX: Open standard for dapps. Open, permissionless protocol allowing for ERC20 tokens to be traded on the Ethereum blockchain. In 0x protocol, orders are transported off-chain, massively reducing gas costs and eliminating blockchain bloat. Relayers help broadcast orders and collect a fee each time they facilitate a trade. Anyone can build a relayer.
Market 6 - Gaming
With an industry size of $108B worldwide, Gaming is one of the largest markets in the world. For sure, cryptocurrencies will want to have a share of that pie.
Storm: Mobile game currency on a platform with 9 million players.
Fun: A platform for casino operators to host trustless, provably-fair gambling through the use of smart contracts, as well as creating their own implementation of state channels for scalability.
Electroneum: Mobile game currency They have lots of technical problems, such as several 51% attacks
Wax: Marketplace to trade in-game items
Market 7 - Misc
There are various markets being tapped right now. They are all summed up under misc.
OMG: Omise is designed to enable financial services for people without bank accounts. It works worldwide and with both traditional money and cryptocurrencies.
Power ledger: Australian blockchain-based cryptocurrency and energy trading platform that allows for decentralized selling and buying of renewable energy. Unique market and rather untapped market in the crypto space.
Populous: A platform that connects business owners and invoice buyers without middlemen. Invoice sellers get cash flow to fund their business and invoice buyers earn interest. Similar to OMG, small market.
Monacoin: The first Japanese cryptocurrency. Focused on micro-transactions and based on a popular internet meme of a type-written cat. This makes it similar to Dogecoin. Very niche, tiny market.
Revain: Legitimizing reviews via the blockchain. Interesting concept, though market not as big.
Augur: Platform to forecast and make wagers on the outcome of real-world events (AKA decentralized predictions). Uses predictions for a “wisdom of the crowd” search engine. Not launched yet.
Substratum: Revolutionzing hosting industry via per request billing as a decentralized internet hosting system. Uses a global network of private computers to create the free and open internet of the future. Participants earn cryptocurrency. Interesting concept.
Veritaseum: Is supposed to be a peer to peer gateway, though it looks like very much like a scam.
TRON: Tronix is looking to capitalize on ownership of internet data to content creators. However, they plagiarized their white paper, which is a no go. They apologized, so it needs to be seen how they will conduct themselves in the future. Extremely high market cap for not having a product, nor proof of concept.
Syscoin: A cryptocurrency with a decentralized marketplace that lets people buy and sell products directly without third parties. Trying to remove middlemen like eBay and Amazon.
Hshare: Most likely scam because of no code changes, most likely pump and dump scheme, dead community.
BAT: An Ethereum-based token that can be exchanged between content creators, users, and advertisers. Decentralized ad-network that pays based on engagement and attention.
Dent: Decentralizeed exchange of mobile data, enabling mobile data to be marketed, purchased or distributed, so that users can quickly buy or sell data from any user to another one.
Ncash: End to end encrypted Identification system for retailers to better serve their customers .
Factom Secure record-keeping system that allows companies to store their data directly on the Blockchain. The goal is to make records more transparent and trustworthy .
Market 8 - Social network
Web 2.0 is still going strong and Web 3.0 is not going to ignore it. There are several gaming tokens already out there and a few with decent traction already, such as Steem, which is Reddit with voting through money is a very interesting one.
Mithril: As users create content via social media, they will be rewarded for their contribution, the better the contribution, the more they will earn
Steem: Like Reddit, but voting with money. Already launched product and Alexa rank 1,000 Thumbs up.
Rdd: Reddcoin makes the process of sending and receiving money fun and rewarding for everyone. Reddcoin is dedicated to one thing – tipping on social networks as a way to bring cryptocurrency awareness and experience to the general public.
Kin: Token for the platform Kik. Kik has a massive user base of 400 million people. Replacing paying with FIAT with paying with KIN might get this token to mass adoption very quickly.
Market 9 - Fee token
Popular exchanges realized that they can make a few billion dollars more by launching their own token. Owning these tokens gives you a reduction of trading fees. Very handy and BNB (Binance Coin) has been one of the most resilient tokens, which have withstood most market drops over the last weeks and was among the very few coins that could show growth.
BNB: Fee token for Binance
Gas: Not a Fee token for an exchange, but it is a dividend paid out on Neo and a currency that can be used to purchase services for dapps.
Kucoin: Fee token for Kucoin
Market 10 - Decentralized Data Storage
Currently, data storage happens with large companies or data centers that are prone to failure or losing data. Decentralized data storage makes loss of data almost impossible by distributing your files to numerous clients that hold tiny pieces of your data. Remember Torrents? Torrents use a peer-to-peer network. It is similar to that. Many users maintain copies of the same file, when someone wants a copy of that file, they send a request to the peer-to-peer network., users who have the file, known as seeds, send fragments of the file to the requester., he requester receives many fragments from many different seeds, and the torrent software recompiles these fragments to form the original file.
Gbyte: Byteball data is stored and ordered using directed acyclic graph (DAG) rather than blockchain. This allows all users to secure each other's data by referencing earlier data units created by other users, and also removes scalability limits common for blockchains, such as blocksize issue.
Siacoin: Siacoin is decentralized storage platform. Distributes encrypted files to thousands of private users who get paid for renting out their disk space. Anybody with siacoins can rent storage from hosts on Sia. This is accomplish via "smart" storage contracts stored on the Sia blockchain. The smart contract provides a payment to the host only after the host has kept the file for a given amount of time. If the host loses the file, the host does not get paid.
Maidsafecoin: MaidSafe stands for Massive Array of Internet Disks, Secure Access for Everyone.Instead of working with data centers and servers that are common today and are vulnerable to data theft and monitoring, SAFE’s network uses advanced P2P technology to bring together the spare computing capacity of all SAFE users and create a global network. You can think of SAFE as a crowd-sourced internet. All data and applications reside in this network. It’s an autonomous network that automatically sets prices and distributes data and rents out hard drive disk space with a Blockchain-based storage solutions.When you upload a file to the network, such as a photo, it will be broken into pieces, hashed, and encrypted. The data is then randomly distributed across the network. Redundant copies of the data are created as well so that if someone storing your file turns off their computer, you will still have access to your data. And don’t worry, even with pieces of your data on other people’s computers, they won’t be able to read them. You can earn MadeSafeCoins by participating in storing data pieces from the network on your computer and thus earning a Proof of Resource.
Storj: Storj aims to become a cloud storage platform that can’t be censored or monitored, or have downtime. Your files are encrypted, shredded into little pieces called 'shards', and stored in a decentralized network of computers around the globe. No one but you has a complete copy of your file, not even in an encrypted form.
Market 11 - Cloud computing
Obviously, renting computing power, one of the biggest emerging markets as of recent years, e.g. AWS and Digital Ocean, is also a service, which can be bought and managed via the blockchain.
Golem: Allows easy use of Supercomputer in exchange for tokens. People worldwide can rent out their computers to the network and get paid for that service with Golem tokens.
Elf: Allows easy use of Cloud computing in exchange for tokens.
Market 12 - Stablecoin
Last but not least, there are 2 stablecoins that have established themselves within the market. A stable coin is a coin that wants to be independent of the volatility of the crypto markets. This has worked out pretty well for Maker and DGD, accomplished through a carefully diversified currency fund and backing each token by 1g or real gold respectively. DO NOT CONFUSE DGD AND MAKER with their STABLE COINS DGX and DAI. DGD and MAKER are volatile, because they are the companies of DGX and DAI. DGX and DAI are the stable coins.
DGD: Platform of the Stablecoin DGX. Every DGX coin is backed by 1g of gold and make use proof of asset consensus.
Maker: Platform of the Stablecoin DAI that doesn't vary much in price through widespread and smart diversification of assets.
EDIT: Added a risk factor from 0 to 10. The baseline is 2 for any crypto. Significant scandals, mishaps, shady practices, questionable technology, increase the risk factor. Not having a product yet automatically means a risk factor of 6. Strong adoption and thus strong scrutiny or positive community lower the risk factor. EDIT2: Added a subjective potential factor from 0 to 10, where its overall potential and a small or big market cap is factored in. Bitcoin with lots of potential only gets a 9, because of its massive market cap, because if Bitcoin goes 10x, smaller coins go 100x, PIVX gets a 10 for being as good as Monero while carrying a 10x smaller market cap, which would make PIVX go 100x if Monero goes 10x.
Can you please DM me and tell me how you are doing this.. I am looking to trader using MT4 and some EAs and would really like to be able to use Cryptocurrencys as well through a broker.. But this is my first time signing up and after reading thread after thread I have been getting a head ache trying to figure out what to do.. can some experienced US citizens who trade please help! Thanks.. And please DM me so this doesnt just start an argument on here please.. Thanks!
Apache Tomcat is a web server and servlet container that is used to serve Java applications. Tomcat is an open source implementation of the Java Servlet and JavaServer Pages technologies, released by the Apache Software Foundation. This tutorial covers the basic installation and some configuration of the latest release of Tomcat 8 on your CentOS 7 server.
Prerequisites
Before you begin with this guide, you should have a separate, non-root user account set up on your server. You can learn how to do this by completing steps 1-3 in the initial server setup for CentOS 7. We will be using Data Center in Romania created here for the rest of this tutorial.
Install Java
Tomcat requires that Java is installed on the server, so any Java web application code can be executed. Let’s satisfy that requirement by installing OpenJDK 7 with yum. To install OpenJDK 7 JDK using yum, run this command:
sudo yum install java-1.7.0-openjdk-devel
Answer y at the prompt to continue installing OpenJDK 7. Note that a shortcut to the JAVA_HOME directory, which we will need to configure Tomcat later, can be found at /uslib/jvm/jre . Now that Java is installed, let’s create a tomcat user, which will be used to run the Tomcat service.
Create Tomcat User
For security purposes, Forex VPS in Romania should be run as an unprivileged user (i.e. not root). We will create a new user and group that will run the Tomcat service. First, create a new tomcat group:
sudo groupadd tomcat
Then create a new tomcat user. We’ll make this user a member of the tomcat group, with a home directory of /opt/tomcat (where we will install Tomcat), and with a shell of /bin/false (so nobody can log into the account):
Now that our tomcat user is set up, let’s download and install Tomcat.
Install Tomcat
The easiest way to install Tomcat 8 at this time is to download the latest binary release then configure Windows remote desktop.
Download Tomcat Binary
Find the latest version of Tomcat 8 at the Tomcat 8 Downloads page. At the time of writing, the latest version is 8.5.37. Under the Binary Distributions section, then under the Core list, copy the link to the “tar.gz”. Let’s download the latest binary distribution to our home directory using wget . First, install wget using the yum package manager:
sudo yum install wget
Then, change to your home directory:
cd ~
Now, use wget and paste in the link to download the Tomcat 8 archive, like this (your mirror link will probably differ from the example):
We’re going to install Tomcat to the /opt/tomcat directory. Create the directory, then extract the the archive to it with these commands:
sudo mkdir /opt/tomcat
sudo tar xvf apache-tomcat-8*tar.gz -C /opt/tomcat --strip-components=1 Now we’re ready to set up the proper user permissions.
Update Permissions
The tomcat user that we set up needs to have the proper access to the Forex Dedicated Server installation. We’ll set that up now. Change to the Tomcat installation path:
cd /opt/tomcat
Give the tomcat group ownership over the entire installation directory:
sudo chgrp -R tomcat /opt/tomcat
Next, give the tomcat group read access to the conf directory and all of its contents, and execute access to the directory itself:
sudo chmod -R g+r conf
sudo chmod g+x conf Then make the tomcat user the owner of the webapps , work , temp , and logs directories:
sudo chown -R tomcat webapps/ work/ temp/ logs/
Now that the proper permissions are set up, let’s set up a Systemd unit file.
Install Systemd Unit File
Because we want to be able to run Tomcat as a service, we will set up a Tomcat Systemd unit file . Create and open the unit file by running this command:
sudo vi /etc/systemd/system/tomcat.service
Paste in the following script. You may also want to modify the memory allocation settings that are specified in CATALINA_OPTS : /etc/systemd/system/tomcat.service
Save and exit. This script tells the server to run the Cloud Server service as the tomcat user, with the settings specified. Now reload Systemd to load the Tomcat unit file:
sudo systemctl daemon-reload
Now you can start the Tomcat service with this systemctl command:
sudo systemctl start tomcat
Check that the service successfully started by typing:
sudo systemctl status tomcat
If you want to enable Forex Hourly Billing VPS service, so it starts on server boot, run this command:
sudo systemctl enable tomcat
Tomcat is not completely set up yet, but you can access the default splash page by going to your domain or IP address followed by :8080 in a web browser:
Open in web browser:http://server_IP_address:8080
You will see the default Tomcat splash page, in addition to other information. Now we will go deeper into the installation of Tomcat.
Configure Tomcat Web Management Interface
In order to use the manager webapp that comes with Tomcat, we must add a login to our Tomcat server. We will do this by editing the tomcat-users.xml file:
sudo vi /opt/tomcat/conf/tomcat-users.xml
This file is filled with comments which describe how to configure the file. You may want to delete all the comments between the following two lines, or you may leave them if you want to reference the examples: tomcat-users.xml excerpt
...
You will want to add a user who can access the manager-gui and admin-gui (webapps that come with Tomcat). You can do so by defining a user similar to the example below. Be sure to change the username and password to something secure: tomcat-users.xml — Admin User
Save and quit the tomcat-users.xml file. By default, newer versions of Tomcat restrict access to the Manager and Host Manager apps to connections coming from the server itself. Since we are installing on a remote machine, you will probably want to remove or alter this restriction. To change the IP address restrictions on these, open the appropriate context.xml files. For the Manager app, type:
sudo vi /opt/tomcat/webapps/manageMETA-INF/context.xml
For the Host Manager app, type:
sudo vi /opt/tomcat/webapps/host-manageMETA-INF/context.xml
Inside, comment out the IP address restriction to allow connections from anywhere. Alternatively, if you would like to allow access only to connections coming from your own IP address, you can add your public IP address to the list: context.xml files for Tomcat webapps
Save and close the files when you are finished. To put our changes into effect, restart the Tomcat service:
sudo systemctl restart tomcat
Access the Web Interface
Now that Tomcat is up and running, let’s access the web management interface in a web browser. You can do this by accessing the public IP address of the server, on port 8080:
Open in web browser:http://server_IP_address:8080
You will see something like the following image: 📷 As you can see, there are links to the admin webapps that we configured an admin user for. Let’s take a look at the Manager App, accessible via the link or http://server_IP_address:8080/managehtml : 📷 The Web Application Manager is used to manage your Java applications. You can Start, Stop, Reload, Deploy, and Undeploy here. You can also run some diagnostics on your apps (i.e. find memory leaks). Lastly, information about your server is available at the very bottom of this page. Now let’s take a look at the Host Manager, accessible via the link or http://server_IP_address:8080/host-managehtml/ : 📷 From the Virtual Host Manager page, you can add virtual hosts to serve your applications from.
Conclusion
Your installation of Tomcat is complete! Your are now free to deploy your own Java web applications!
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