What is VPS?

VPS (Virtual Private Server) is a virtual server created by dividing a physical server into many different servers with similar functions as dedicated servers.

Each VPS will be equipped with a CPU part, with RAM capacity, hard disk capacity, IP address, and independent operating system allowing users and enterprises to fully control the management and restart the system at any time.

If companies and individuals do not have enough funds to invest in private servers or rent private servers, virtual servers are the right choice, because their price is much lower, but they can still guarantee all the functions as a server. Physical server.

When to use VPS?

At present, VPS is widely used in many enterprises at home and abroad. Even small business models use virtual servers in their business.

But most commonly, VPS is used to:

• Multi-service web hosting.
• Game server.
• Platform development.
• The server of the enterprise mailbox system.
• Data storage: pictures, videos, documents, etc.
• Run the real-time media program.
• Virtual environment for programming.

Advantages and Disadvantages of VPS

Advantages

• Quick installation, activation, and use (5-10 minutes).
• High-security features, safe for users.
• Remote management permissions, install software and applications on demand.
• Full right to use the software as a standalone server.
• The price is cheap, which saves a lot of money.

Disadvantages

• Affected by the performance and stability of the physical server that generated it.
• Sharing a physical server will make your VPS dependent.
• Sometimes the work efficiency is not up to the level you want.
• Upgrading VPS may cost you a lot of time and money.

Why do companies use VPS virtual servers?

Features similar to servers: Digital transformation is gradually playing an important role in the operation, management, and business development. Therefore, companies need a stable and powerful network infrastructure to perform the above tasks. VPS virtual server will fully meet the server standard, but the cost is much lower than renting a private server.

Free configuration and installation: By renting a VPS virtual server, businesses don’t need to worry about configuration, installation, and related software. The professional technical team of the supplier has already served you.

Easy to upgrade and use: Another advantage is that the enterprise can change and upgrade the configuration at any time within a few minutes. Easy-to-use remote desktop or SSH remote control system.

Therefore, using a commercial virtual server VPS is a good server solution. Not only can it help companies save costs, but it also plays an important role in data management and processing. High security helps prevent information leakage and ensure stability during operation and deployment.

What information should you remember about VPS?

You need to understand the specifications of the VPS to choose the configuration that suits your needs:

RAM

RAM is the main memory in a computer. If the VPS you want to rent has more RAM, the ability to access data will be better. Because when using VPS, RAM will deal with some problems, such as using PHP software to process PHP code, using MySQL to process database access and output, support for reading and writing data,…

Currently, most VPS services will allow users to choose RAM levels from 512MB to 16GB (if larger than 16GB, it can be Cloud VPS). Depending on the visitor traffic to your website, it requires more or less RAM.

For WordPress, you only need 1GB of RAM to use it comfortably.

Hard disk

The hard disk (disk) is the storage space used to store the installation files of the operating system and the website source code files you save on it.

Currently, there are two types of hard disks: SSD and HDD:

• HDD (Hard Disk Drive) is the most common type of drive you often use on your computer.
• SSD (Solid State Drive) translates to semiconductor hard drive. This is a hard disk drive for storing data, but its data access speed is about 300 times faster than the HDD type. If you test it, you will see whether the access speed of the hard disk is around 80Mb/s, but if you use an SSD, it will reach 400Mb/s.

VPS using SSD hard disk will be more expensive than HDD type, but the speed will be faster, so SSD is used by many users.

CPU core

CPU Core refers to the processing core of the CPU. A dedicated server has a certain number of cores, and it will be divided between VPSs. Generally, the higher the number of cores, the better the data processing capability.

With a VPS package, on average, you can only choose from 1 to 6 cores.

Bandwidth

Both represent bandwidth. It represents the amount of data you are allowed to transmit.

IP

IP (Internet Protocol) is understood as the number of IP addresses that the provider will provide you. The IP range will be randomly assigned.

If you buy many different IPs, these IP ranges will have the same Class A and Class B.

Which operating system to choose for VPS?

Currently, VPS virtual server supports two popular operating systems, including Linux and Windows. Linux is considered user-friendly and supports more applications, but the cost is higher than Windows. However, if you use Dot Net or Visual Studio, you should choose Windows.

Popular Linux operating systems

Debian

Debian is another Linux distribution. It is a popular and readily available computer operating system. Debian is known for its APT package management system. Debian does not have Microsoft Word and Excel applications, but Corel’s WordPerfect application and similar desktop applications.

Debian advantages:

• Comprehensive installer.
• Free release.
• Stabilize.

Support multiple hardware architectures.

• Easy conversion.

Ubuntu

Similar to Debian, Ubuntu is another distribution of Linux. The goal of Ubuntu is to provide users with a stable and regularly updated operating system.

Ubuntu focuses on ease of use, ease of setup, and regular updates. This operating system also has a large user base, so there are many free documents, and it will be updated regularly. The desktop interface is also very friendly, so if you are a novice, you should choose Ubuntu.

CentOS

CentOS is another distribution of the Linux operating system. CentOS is completely derived from the RHEL distribution, so CentOS is a perfect programming environment. In this regard, CentOS is superior to Ubuntu because it is easy to customize, safe and stable, and is very suitable for enterprises.

Fedora

Fedora is a Linux distribution developed by the Fedora project community. You can use Fedora with other operating systems, such as Microsoft WindowsTM or Mac OS XTM.

Advantages of Fedora:

• Completely free and versatile.
• Breakthrough interface with multiple functions.
• It is a good environment for network programming.
• Fast, regular updates and high availability.

Windows Server

Windows Server is a branch of Microsoft’s server operating system. Windows Server is designed to share services with many users and provide extensive management of corporate databases and networks.

In short, if you use WordPress or run PHP web, you should choose the Linux operating system. Or you can choose CentOS and Ubuntu, which are also two operating systems that many people use.

Which Control Panel to choose for VPS?

Paid Control Panels

• cPanel
• Plesk
• DirectAdmin

Free Control Panels

• FastPanel
• VestaCP
• aaPanel
• CyberPanel
• CentOSWebPanel

I have been experiencing FastPanel for a long time and found it to be very good, and more importantly, it is completely free. You can refer to the article: How to install FastPanel on your own VPS.

VPS is one of the cloud server solutions used by many enterprises in the process of digital transformation. Enterprises should determine the best configuration for operation and management based on the basic parameters of the VPS virtual server to save costs.

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Let us learn more about KingHostCoupon in the following article.

What is a dedicated server?

A dedicated server is a server in which users can rent the entire physical server without sharing it with anyone. Usually located in the data server center, it has redundancy features in terms of resources and power supply to ensure the safety of the server.

Pros and cons of dedicated servers

Benefit:

• Able to handle large amounts of data, while allowing a large number of users to simultaneously access without interruption.
• Server resources are centrally managed.
• Save a lot of costs, no warranty fees.
• Remote server control tool, no need to use server directly.
• The safety is high to ensure the progress of the work.
• Some providers will set up servers for free.
• Easily install additional software to serve many specific industries.

Shortcoming:

• A high level of IT is required, with sufficient qualifications to manage and operate the server. However, you can hire a provider to manage and operate the server.
• High cost.
• Resources cannot be dynamically reduced or expanded.

Benefits of enterprise dedicated servers

Today’s servers are not cheap, so many companies have chosen to rent physical servers to serve their business. So what are the advantages?

• If you need to create more websites, your business will not incur additional costs.
• The entire system can be controlled through a convenient web browser.
• The cost savings of enterprises far exceeds the cost of investing in servers.
• You can take the initiative to rent a server that suits your business’s configuration and maintainability.
• Enterprises do not have to worry about the placement of servers, because the servers you rent are always located in data centers with international quality standards.
• You can actively change and upgrade the configuration to suit your business development.

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What is Microsoft Azure?

Microsoft Azure is a cloud computing platform and online portal provided by Microsoft. Azure enables you to access and manage cloud services and resources.

Azure services and resources include data storage and transformation. To access these resources and services, you need an active Internet connection and the ability to connect to the Azure portal.

Why is Azure used by so many people?

Azure has many advantages and outstanding features. This is why it is used by many people. The following are the advantages of Azure:

• Application development: You can use Azure to create any web application.
• Test: You can experiment after successfully developing the application on the platform.
• Application hosting: After the test is complete, Azure can help you host your application.
• Create a virtual machine: You can create a virtual machine with any configuration you want with the help of Azure.
• Integration and synchronization capabilities: Azure allows you to integrate and synchronize virtual devices and folders.
• Collect and store metrics: You can collect and store metrics to find effective methods.
• Virtual hard disk: This is an extension of the virtual machine, providing a large amount of data storage capacity.

Microsoft Azure Services

Azure provides more than 200 services, divided into 18 categories. It covers areas such as computing, networking, storage, Internet of Things, mobility, mobility, analytics, containers, artificial intelligence and machine learning, integration, management tools, developer tools, and security. Security, database, DevOps, media identity, and web services.

How to use Microsoft Azure?

Step 1: Sign up

Go to https://azure.microsoft.com/ and proceed with the registration. After registering, you will receive username + password information and log in via portal: portal.azure.com of Microsoft to use services such as virtual machines, …

When registering, you need to pay attention to how to charge:

• Pay as you go: This method allows you to activate Microsoft Azure and use it without any limit on the amount. Bill will be returned every month for payment.
• Cost tiering: This method allows active Microsoft Azure for a flat fee. Expired gas will be notified to resume service. Prepayment to use.

Step 2: Use License

After registration is completed, the License is received as Username and Password. Please proceed to log in to azure.com to use.

Select Subscriptions -> Double click on Microsoft Azure

Select the icon in the yellow box.

Select  ADD

Select Role (permission for user).

Select  Invite in the Add User section (note: the added user must use a Microsoft account). Continue to manipulate the yellow cars.

Click “  New ” with the + symbol. Next is to choose the service to use. For example, Virtual Machine -> Select the available Template Os to create a virtual machine -> Summit as shown below.

Step 3: Estimate the charge

Visit   https://azure.microsoft.com/en-us/pricing/calculator/ to use Microsoft’s cost calculator. Then you select the service to be charged by clicking “  Add Item ” -> After the table appears in the red box below -> continue to select the service to use. For example Compute -> Virtual Machine.

After completing the service selection, continue to click “ Add Item ” to minimize the service panel and display the billing tool as below.

Proceed to select the location, type, and configuration package to use. The cost will be automatically estimated on tools. To add more services for payment, click “ Add Item ” as above.

In short, Azure is a provider of powerful cloud computing services and is used by quite a few people. This is a foreign supplier, so it requires you to be proficient. For those who are just starting out, domestic cloud computing services will be a more suitable choice because they will always support you wholeheartedly at any time.

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What is Google Cloud Platform? 

Google Cloud Platform (GCP) is a cloud computing platform that allows organizations and businesses to build and run their own applications under names created by Google.

Some popular Google applications that use this platform today can be Youtube, Chrome, GSuites, Google Maps, Google Search, etc.

The purpose of the Google Cloud Platform is to help users solve all necessary problems, such as mobile, developers, management, networks, computer engines, storage, big data… From these benefits, these businesses can do other things without the need for an underlying system Under the circumstances to further develop the business.

In addition to the above services, the platform also brings differences compared with other cloud service platforms. It is a data center service system with the highest level of data security and security. In addition, it also complies with the most stringent cloud computing system standards.

The Google Cloud Platform provided by Google includes the following main products:

• Services: Cloud Endpoints, Translate API, Prediction API.
• Big Data: BigQuery, Cloud Dataflow, Cloud Dataproc, Cloud Pub/Sub.
• Storage: Cloud Storage, Cloud Datastore, Cloud SQL, Cloud Bigtable.
• Compute: App Engine, Compute Engine, Container Engine.

In addition, Google Cloud Platform also provides application development and integration services. You can see the Google Cloud Pub/Sub messaging service. This is a real-time managed service that allows users to exchange messages between applications.

Google Cloud Endpoint alone allows developers to build services that rely on RESTful APIs. Apple iOS, JavaScript, and Android customers can now access service developers.

Other services such as the Anycast DNS server will have direct networking, mining, monitoring and load balancing functions.

Services of Google Cloud Platform

IoT (Internet of Things): This service allows users to conveniently manage and consume data from IoT devices.

Cloud machine learning engine (cloud search): a service for developing AI (artificial intelligence) applications.

Google Cloud: Provides services such as Hadoop and Apache Spark, including Google Cloud Dataproc, to process data more easily and faster.

Google Cloud Dataflow: A data processing service for analysis, real-time calculation, extraction, transformation, and loading (ETL) projects.

Google BigQuery: Service is a big data service of Google. It includes data processing and analysis services. Google BigQuery has query capabilities similar to traditional SQL engines executed on multi-terabyte data sets. However, in reality, storing data is extremely necessary and important. Data is not limited to small files, it can also reach terabytes.

The above is information about what is Google Cloud Platform and the services of Google Cloud Platform today. If you have any questions or need suggestions, please comment below and KDATA will help you answer them.

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What is OpenLiteSpeed?

OpenLiteSpeed ​​is the open-source version of LiteSpeed ​​WebServer Enterprise. It has all the necessary features found in LiteSpeed ​​WebServer including LScache.

This is the version for high-traffic websites. However, it does not integrate into any server administrator like DirectAdmin or cPanel.

The advantage of OpenLiteSpeed ​​is that it helps to reduce bandwidth usage, extremely fast technology, good support for external applications, SSL/Security Control support, etc.

What is Apache?

Apache (or Apache HTTP Server) is also open source web server software, developed and operated by the Apache Software Foundation. It can be said that Apache is one of the oldest web servers and is trusted by many users.

The advantage of Apache is that it is a stable free and open-source software. Apache also regularly updates security patches, the configuration is user-friendly, cross-platform, and has a large user community so it can support you at any time.

What is NGINX?

Similar to Apache, Nginx is also a famous and extremely popular open-source web server software. Although Nginx was originally used to serve HTTP web pages, it is now used as a reverse proxy, HTTP load balancer, and email proxy.

The advantage of Nginx is that it can handle more than 10,000 connections with low memory at the same time. In addition, you can use Cache to speed up Reverse Proxy, Apache also has flexible configuration and the ability to save query logs.

OpenLiteSpeed ​​– Apache – NGINX – which is the best web server?

This is a question many people ask when choosing to use these web servers. So between OpenLiteSpeed, Apache, NGINX, which webserver should you choose?

The answer to this question is not an easy one. There is no one-size-fits-all solution to choose Nginx over Apache or LiteSpeed ​​over Nginx. If you find yourself in a position where you might choose one over the other, you’ll really want to do your research and dig into how your users will use the sites running on the server and technology. that those sites are using, as that will help you come to a decision.

Apache is a great choice for Admins and Hosts who might want something very customizable as it has a rich collection of precompiled modules that can be added. These modules range from anything from authentication schemes to package-specific support for PHP, TCL, Python, Ruby, and more.

Apache is also reliable, stable, and considered beginner-friendly when setting it up for the first time. Because Apache is so widely used, it receives regular security and feature updates and has a large base to support.

Also, one important thing to remember – Apache runs applications that use CGI very well. For example, while Nginx technically supports CGI scripts, setting it up isn’t easy.

One feature of Apache that many criticize is its use of the .htaccess file to control things like rewrites and search engine indexing. Once these files are enabled, Apache must navigate the entire directory leading back to the parent directory and execute the commands listed in each of these .htaccess files. As you can imagine, this increases load times and consumes server resources.

On the other hand, Nginx can act as a reverse proxy in front of Apache or as its own web server, and there is no equivalent feature for .htaccess files. Applications written in Python and Ruby are known to be highly performant when running on the Nginx web server. With a load balancer, some optimizations, and Nginx, you can have a super performant setup. Nginx is also notoriously difficult to set up compared to contemporary Apache.

Please try to set up a test environment for the 3 web servers above.

As you all know about WordPress, caching is very important. So we have to make sure to use a suitable caching solution for each server in this test.

All of our tests were done with Keep-Alive enabled as well as pairing each server with a suitable cache option. And the result we got was that OpenLiteSpeed ​​outperformed NGINX and Apache in all tests.

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Generally, in order to optimize the image of the website, the user needs to adjust the size of the image to fit the website, which will reduce the image quality when displayed. But it may not bring you too much benefit or help you free up too much space for your website. But now there is a solution that can help you reduce the image size but still guarantee the display quality of the image, that is WebP.

What is WebP?

WebP is an image format technology acquired by Google from On2 Technologies. This is a company specializing in video and image compression technology. WebP was selected as the product to replace JPEG, PNG, and GIF.

WebP originally used lossy compression to try to produce smaller images that were still displayed at the highest quality. Then, it gradually evolved and combined with the effective use of lossy compression and optimized the website well.

Unlike JPG and PNG, WebP uses predictive coding to compress lossy data to more accurately adjust the pixels in the image. Google also estimates that WebP lossy compression will cause files to be 25% to 34% smaller than a JPG of the same quality. Compared with PNG, WebP’s data compression affects the size, but still maintains the highest display image quality. This is achieved due to the various compression techniques used and the entropy coding applied to the image.

How WebP Works?

WebP will use the local emerging color palette to predict the pixel space and convert the color space. Pack the pixels into a single pixel and replace the alpha. Therefore, WebP lossless compression is 26% smaller than a PNG file of the same quality. WebP can do things that other file formats cannot. For example, you can use WebP encoding for R&B colors and lossless encoding for images with transparent backgrounds.

Otherwise, animated images in GIF format will also benefit from the WebP candlestick system. Google estimates that the average reduction will go from 64% of the original GIF size when using lossy compression to 19% when using lossless compression.

In addition, there are many reasons to use WebP. Since this is a tool for Google’s support site, you no longer need to make a trade-off between image quality and size. In addition, improper size optimization may make your website one of the reasons why customers leave from the first visit.

Therefore, WebP is one of many ways to help optimize website images. However, you should also note that the side effect of image compression is to reduce image quality. Although this problem may not affect ordinary users, it can cause problems for photographers.

The post What is WebP? How WebP Works? appeared first on King Host Coupon.

Please read more details in the following article.

What is SMTP?

SMTP stands for Simple Mail Transfer Protocol-a protocol system responsible for receiving and transmitting data in user emails. The system only receives and sends emails through devices connected to the Internet.

Currently, e-mail applications usually only use SMTP to send forwarded e-mails, according to RFC 8314 to send incoming e-mails to the mail server on port 587 or 465.

The SMTP protocol is text-based (ASCII) and relatively simple. Before sending a message, you can find one or more addresses to receive the message. It is usually checked whether these addresses exist. SMTP uses port 25 of the TCP protocol. SMTP will determine the address structure, requested domain name, and any email-related content. SMTP also defines the requirements for the Post Office Protocol (POP) and access to the Internet Message Protocol (IMAP) server in order to send e-mails correctly.

What is an SMTP server?

An SMTP server is a server that uses the SMTP method to help users send emails. Using the SMTP server, the sent email will be stored and forwarded to the address the user wants.

The SMTP server will enable users to send e-mails to a large number of desired recipients at a lower cost. What follows is the ability to attach files and mass storage. When sending emails, users will be notified of the status of each email, which is convenient for tracking and updating. Using SMTP Server, the sent mail will be less likely to fall into the recipient’s spam box.

The SMTP server runs 24/7 to provide online information. The location of the server is also extremely important to ensure the integrity of the data, the quality and speed of the data flow from the server to the sending/receiving computer.

How SMTP works?

When sending emails, the SMTP system will automatically forward the emails to the SMTP server based on the email address name. After the SMTP server receives the signal, it exchanges signals between the SMTP server and the DNS server and searches for the root domain name in the SMTP server.

After the above steps, the server performs steps to check whether the user information matches the email information. If it matches, the company will receive or send big data via email and receive email via software.

If the SMTP server and the DNS server cannot communicate with each other, the unanswered signal will be sent to the intermediate server. The intermediate server still receives the original signal and starts to transmit it through many different servers until it is sent to the original server. The subsystem will run at full capacity and run for the longest time before the signal is declared expired and unavailable.

Currently, email clients such as outlook, thunderbird, webmail, etc. all use the SMTP protocol to receive emails (usually called: SMTP Gmail)

How to send email using SMTP?

SMTP provides code to simplify the transmission of messages between email servers. SMTP provides these codes, and the e-mail server software is designed to understand their meaning. When a message arrives at its destination, it usually passes through multiple computers. Therefore, it will be stored for a short period of time before moving to the next computer in the path.

You can set up an SMTP server, or you can connect your email client to one of the SMTP server providers and grant permission to send emails directly.

Many people think that setting up their own SMTP server can save money. However, each SMTP relay server has some restrictions on the number of e-mails it can transmit across different ISPs. If you write code to send millions of emails, ISPs sometimes start to block these emails because they are spam and because one sender sends a lot of emails at once.

Therefore, the best way is to choose a professional email service provider. You can zoom emails. It is important that when sending user emails, it does not enter the spam box.

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What is Public Cloud?

Public Cloud is a service model that relies on a cloud computing platform created by a third party to provide users through the public Internet. The Public Cloud is not limited to users, it can be anyone from an individual to an enterprise. Using Public Clouds, providers build resources such as available memory, applications, and virtual machines for the public to use on the Internet.

Advantages and characteristics of Public Cloud

Maximum scalability: On the huge resource base of public and private clouds, cloud resources can be provided at any time according to user needs. Therefore, applications running on the public cloud can immediately react to fluctuations and changes during operation.

Confidence: An unlimited number of servers and networks participate in the creation of a public cloud, and redundant configurations enable the cloud to function normally, even if the physical components fail and cannot work at all. Affect the rest.

Cost-effective: The public cloud brings together a larger level of resources so that everyone who uses it can benefit from the largest resources. All underlying resources are centrally operated and managed, shared one by one across cloud services, and components such as servers do not need to be configured separately.

What is a Private Cloud?

Private cloud is also called internal cloud and enterprise cloud. It will reside in the company’s intranet or data center, where all the company’s data is protected by a firewall. For companies with expensive data centers that can take advantage of existing infrastructure, private clouds will be a good choice. But the downside of private clouds is that all data center management, maintenance, and upgrades are entirely the company’s responsibility.

Over time, the server will need to be replaced and will cost a lot of money. But on the other hand, private clouds provide a higher level of security and share little or no resources with any organization.

Difference between Public Cloud and Private Cloud

Cost

Unlike private clouds, public clouds are generally more economical because they can reduce the expensive cost of purchasing, managing, and maintaining hardware infrastructure and local applications. Because of this work, the cloud service provider is responsible.

Deployability

The public cloud is faster to deploy than on-premises infrastructure and provides almost unlimited scalability for the 1i platform. However, in this mode, security is still a concern for many companies. You cannot control the security of the public cloud, but the fact that all data is separated from other people’s data is a rare security breach in public clouds.

A properly deployed public cloud can be as secure as the most effectively managed private cloud. The main question is whether the provider is using the correct security method correctly. Similar to the private cloud, the public cloud also has its own advantages and disadvantages. However, both types of clouds provide undisputed efficiency advantages and business acceleration. Once you fully understand the public cloud model and how it differs from the private cloud, your business will be able to make a choice that suits your needs.

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Overview of Vultr and Vultr VPS services

Founded in 2014, Vultr has grown from strength to strength over the past six years. It was developed from a team of more than 50 engineers and developers, with over 22 million cloud server instances and more than 100,000 customers from 150 countries.

Unlike DigitalOcean, Vultr not only focuses on developers but also focuses on casual users who need to use Cloud VPS for cheap and easy to use.

But will Vultr meet the same high-performance and easy-to-implement commitments they still promote? And is the service it provides worthy of the price they have been applying to customers?

More importantly, is a Vultr VPS service the right choice for you? In the next part of this article, KingHostCoupon will help you answer the above questions.

Some highlights for VPS Vultr service packages

Start by taking a closer look at the Vultr VPS offerings to see if its powerful hosting plans and easy-to-use interface will help meet your hosting needs.

Powerful cloud solution

From deploying servers around the globe to building a full-featured dashboard … everything you can enjoy with Vultr. Vultr itself has also invested in hardware, offering the latest generation Intel CPUs and 100% SSD storage, and the latest NVMe.

Vultr also allows users to upload the custom ISO. And if you want to clone your VPS at Vultr, you can do it quickly and easily using the snapshot feature.

Installation is very easy and simple

VPS Vultr offers a variety of simple one-click installers for web applications and management tools. If you are a non-technical person, you will love this at Vultr VPS service. You can easily create your own server on Vultr without the help of anyone.

Currently, when I write this article, people without technical expertise use VPS quite a lot for many purposes. This advantage of Vultr helps them reach and attract more customers. Plus it has documents, videos to help configure and install VPS Vultr. All of this brings users an easy and relatively professional experience.

VPS operating systems are very diverse

Are you planning on configuring different operating systems for different cloud versions? Don’t worry, Vultr VPS has built-in support for CentOS, CoreOS, Debian, Fedora, FreeBSD, OpenBSD, Ubuntu, and Windows. You can even upload your own operating system if you want as we mentioned above.

This gives users a lot of flexibility in their use.

Powerful control panel

Vultr VPS service’s custom dashboard allows you to easily launch new versions from any device. You can also monitor server performance and health, from bandwidth and CPU usage to real-time display of your balance. You can manage and see everything you want through just a few simple interfaces that the Vultr VPS service offers.

Why should you choose VPS Vultr?

Suitable for developers and those who are just starting out with cloud VPS. With Vultr VPS, you will need to manually configure and deploy the instances. Due to the one-click installer, we talked about above, obviously, it shouldn’t be that difficult for newcomers and novices.

While for some individual users it can be difficult to get started with the Vultr VPS plan (since you often have to configure the server yourself), it also gives you greater control over specifics and allows you to customize your setup. The good news is that with Vultr VPS, their interface is also quite user-friendly.

Not only that, but Vultr also regularly has a free $ 100 credit program for new customers. When you register a new account at Vultr and use the Vultr coupon, you will have $ 100 in your account in 30 days. Remember this as it is completely free.

Among the many choices of VPS service on the market today, VPS Vultr is also one of the suitable choices when you tend to look for a foreign VPS provider for your needs. However, Vultr VPS itself also has some limitations in terms of cost. However, depending on the individual’s needs, you can consider this supplier.

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CentOS was released to the public in May 2004 and was developed based on the distribution of Red Hat Enterprise Linux (RHEL).

This operating system was created with the main purpose of building a free server system for businesses and maintaining binary compatibility with RHEL. In addition, CentOS provides a perfect environment for programming-related tasks.

To really understand CentOS , you need to master the knowledge of Linux.

What are the advantages of CentOS?

The CentOS operating system is currently among the most widely available Linux distributions in the world. It is highly appreciated by IT circles for the following advantages:

• CentOS has a lot of supporting features developed and built from the community that created it.
• Because of its similarity to RHEL , CentOS is a very good programming environment.
• CentOS is able to operate smoothly and smoothly on mainframes, especially GUI, KDE, GNOME..
• CentOS creates a desktop-like environment, very simple. You can use, customize easily with the support of the online community and Red Hat.
• The environment that CentOS creates is highly stable, so it is favored by businesses.
• CentOS is provided by Red Hat with many source code and RPM package managers.
• CentOS has many different levels of security, so it is the safest choice to secure business information for businesses.

Basic information about CentOS

You can refer to the homepage of CentOS operating system at: https://www.centos.org/ .

Method of updating CentOS system : Via the Yum command  .

The source code used by CentOS is the same open source code as Red Hat. CentOS is fully compatible with the software running on Red Hat . Especially with versions CentOS 5.0 and later.

Users CentOS possible thanks to the technical support of the developer community through social channels such as forums, chat rooms or formal list, …

However, the CentOS operating system only supports x86 architectures (instructional architecture is based on Intel’s 8086 microprocessor). Detail:

• 32-bit x86 instruction set architecture
• X86-64 instruction set architecture (aka x64, AMD64 or Intel64)

History of CentOS’s establishment and development

Referring to the history of formation and development of CentOS , we must know about Tao Linux . Tao Linux is a copy of the RHEL operating system . In June 2006, David Parsley – the father of Tao Linux announced he would stop the project indefinitely. Meanwhile, after 2 years of construction, CentOS is on the rise again. Most Tao Linux users decide to switch to CentOS with the “Yum” command.

Continuing to grow until July 2009, CentOS suddenly announced its founder – Lance Davis went missing during 2008 while still holding CentOS registered domain name and account. Paypal. This event caused CentOS ‘s operation to be temporarily interrupted. In August 2009, the CentOS team suddenly announced that it had successfully contacted Lance Davis and received the domain name centos.info, centos.org.

By July 2010, the CentOS operating system officially returned to the “race track”. CentOS then became the most popular Linux distribution. It accounts for about 30% of all Linux servers in the world.

In January 2014, Red Hat announced that it would fund CentOS to create the best programming environment for code developers. Since then, Red Hat officially became the owner of CentOS .

Who should use CentOS?

CentOS is a great operating system for advanced Linux servers. In addition, it is also suitable for those who are looking for a free solution to replace RHEL .

CentOS was also created for server development. If you use CentOS for study or programming-related tasks, the network will be very strong and stable.

How to install CentOS operating system

Basic CentOS installation

First download the latest version of CentOS, CentOS 8 has the ISO file burned to disk.

• You can download via:  download ISO CentOS 8 file .

Create a virtual machine or put a disc in the drive of the machine to be installed. Depending on the needs you install CentOS for virtual server or personal computer.

Boot the computer and choose boot into CentOS . Select the  Install CentOS Linux 8.0.1905 series

Select the language of the operating system.

Select the hard drive to install CentOS in the Installation Destination .

After selecting Done , we will return to the next interface and select the Software Selection item   to select the mode without using the GUI .

Select the Minimal Install mode to not use the GUI for future operating systems. Then select Done.

Should choose a standard timezone with your location to make it easier to use.

Select Network & Host Name to configure the IP and hostname.

We will have interface to select hostname and IP below. We click the OFF button to make the machine connected to the network.

Then enter the desired hostame and select Apply.

Select Configure to configure the network card in start mode with OS .

Select the Genaral tab and check the Automaticaly Connect to this network when it is avaible button

After returning to the main menu, we select Begin Instalation to perform the installation.

Then enter the password for the root account . Note this password to use later.

Select the Reboot button to reboot. Start logging in to the OS with the root account and password entered earlier.

Log on to the device after installation

After installation is complete, the device will reboot and an interface will appear to enter your account & password .

Enter root account and password .

After successful import, check the IP and kernel of CentOS 8 machine with the ip a command   for IP and uname – rms   for kerenl version

At this point, we have finished installing CentOS 8 . Please use other SSH software to access CentOS 8 machine to check more.

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