how to do it yourself

Mikrotik routers are widely used by server owners around the world because they are reliable, fast, and provide the user with all the relevant features for building a secure network infrastructure. An important advantage of this company is also its own operating system MikroTik Cloud Hosted Router, which can run as a virtual machine. This RouterOS has full support for 64-bit x86 architecture and all popular server virtualization technologies:

CentOS is a flexible operating system based on the commercial Red Hat Enterprise Linux distribution. The main advantages of CentOS for VPS are considered to be its simplicity, elegance, and convenience at all levels of interaction, from installation to setting up firewall filters. In addition, this operating system is regularly supplied with updates and innovations, especially in the field of security. In terms of security and safety, VPS with CentOS surpasses almost all similar free operating systems.

Not only the console but also the graphical user interface (GUI) can be used for convenient operation and interaction with Linux operating systems. It is a set of tools that make user interaction with an electronic device simpler and more convenient. After GUI is installed on a VPS, all elements and items available for interaction will appear to the user as interactive graphical images - icons, buttons, menu objects, etc.

phpMyAdmin is a web interface for easy management of the MySQL DBMS, running SQL commands and viewing the contents of server databases. It is an open-source software product, that is, an open-source application. The capabilities of this web interface are very wide:

If your project is based on PHP, then with all its advantages, it has at least one disadvantage: when installing new libraries you need to manually prescribe literally every dependency on other packages. But it won't be hard to avoid such painstaking work - the installation of Composer will help you with that. And we'll tell you how to do it quickly and smoothly!

Do you want to deploy a secure server on a VPS, organize a corporate network with secure communication with remote employees, or just need an encrypted data transfer on a personal device? In all cases, you need to use a VPN - a good example is OpenVPN. According to many experts, it's now the best incarnation of this technology: reliable, secure, and functional. And although it is easy to work with, first it is worth understanding what OpenVPN is, the pros and cons, how to install and configure.

MySQL database dump is a procedure for backing up a file that contains instructions in SQL language. These instructions allow you to exactly reproduce the copy of your database as it was at the time the dump was created. The need to create a SQL Dump may arise in two cases:

In today's reality, companies have to invest a lot of money in the maintenance of their own server infrastructure. To arrange and maintain a physical server, you need to allocate a separate room, equip it with ventilation, air conditioning, to make sure that everything meets the standards of fire safety and security. In the end, you must contain a staff of specialists who will monitor the proper work of the server equipment and to carry out routine maintenance. For the company director it is a headache, so more and more often business prefers to move the server to a virtual machine.

Here is a quick guide to help you understand how to check if a port is available and why it is needed. A port is an address used by multiple devices to exchange data, commands, etc. A port address is written as a 16-digit number with a value between 1 and 65,535. This range is divided into three types:

• System - have a range of 0 to 1023;
• User - ranging from 1024 to 49 151;
• Dynamic - from 49 152 to 65 535.

The port availability check is carried out for different reasons, but most often it is necessary to determine whether the computer or server is ready to accept incoming connections. Testing can be done remotely or locally.