Guaranteed memory and SWAP are two of the most important parameters that affect the performance of a Linux system. Guaranteed memory is the amount of memory that will be allocated to a virtual machine and is independent of the available memory on the host. The…
Andrii Kostashchuk
1350 Articles
Andrii has experience in programming in various languages for different platforms and systems. He has spent more than 8 years in the Internet sphere, working with various CMS, such as: Opencart, Drupal, Joomla, and of course, the most popular content management system WordPress.
Andrii Kostashchuk
3 Min Read
Virtual Private Server (VPS) is a type of hosting that allows you to create a virtual server with a dedicated operating system and resources. This means that the VPS will run its own operating system, have its own IP address and will be completely isolated…
Andrii Kostashchuk
5 Min Read
In today’s comparison, we’ll look at two of the most popular Linux distributions: CentOS and Ubuntu. We’ll explore their differences, features, advantages, and disadvantages to help you decide which one is best for your server. CentOS: what is it? Advantages and disadvantages CentOS, which stands…
Andrii Kostashchuk
3 Min Read
Nginx is an open source web server that has won the hearts of many administrators and developers due to its efficient operation, low memory consumption and powerful support for various protocols. Today we will talk about configuring HTTP/2 support in Nginx. HTTP/2 is an evolution…
Andrii Kostashchuk
3 Min Read
This article will cover the basics of what service unreachable errors are, why they happen, and how to fix them.The reason for a 503 Service Unreachable error is that your server is unable to connect to the domain name server. These errors can be caused…
Andrii Kostashchuk
4 Min Read
Facts about internal server error 500Internal Server Error 500 is a common error that can be caused by many different reasons. These causes include: You can fix this error by identifying the cause and fixing it. What causes an internal server error 500? Internal server…
Andrii Kostashchuk
2 Min Read
Forbidden 403 error is a common error that occurs when your website or application cannot access a file. This can happen for a variety of reasons, but the most common reason is that the permissions are not set correctly. The 403 error will appear in…
Andrii Kostashchuk
2 Min Read
404 errors occur when a user tries to access a web page or URL that no longer exists. There are many reasons for this error, but the most common cause is an outdated link. When you update your links on your website, don’t forget to…
Andrii Kostashchuk
2 Min Read
The connection to the server is not working because the server timeout has expired. This is a problem that many people face when they try to access a web page or application on their phone. A 504 Gateway Timeout error occurs when you try to…
Andrii Kostashchuk
4 Min Read
Domains were invented to make it easier to find sites on the World Wide Web. In the past, you had to keep in mind the IP address, a sequence of 4 numbers that are separated by dots. This address indicates the server where the resource…