Most Internet users have encountered the Connection Refused error at least once when visiting websites, accessing network services, or connecting to remote servers. Finding the cause of this error, and there may be several, and eliminating it requires a systematic approach, which is described in this article.

Every administrator and owner of any website has repeatedly faced the main problem: how to choose the right server configuration for the needs of their project. And this question, which seems very complicated, in fact, with the right and systematic approach, can have a very simple solution. In this article, we will talk about choosing a server for your project, be it a database server or a high-load online store.

Kanban is a very popular agile project management methodology these days, especially in the IT and software development industries. This article will cover the main components of the Kanban framework, its origins, structure, key principles, and practical application, as well as how it relates to modern software development and operations management.

Earlier, we got acquainted with such a containerization tool as Docker, and dealt with its basic concepts, such as images and containers. In this article, we will take a closer look at how to create your own Docker image and upload it to Dockerhub for further use.

One of the basic tools in the arsenal of any network engineer or system administrator is the DNS server query tool - nslookup, which allows you to identify and localize any problems associated with name servers. In this article, you will get acquainted with the basic functionality and syntax of nslookup when working in Linux and Windows using simple examples.

If you decide to become a programmer, do web development and want to start by learning JavaSctipt, then over time you will not be able to do without learning Node.js. This is a cross-platform JavaSctipt code execution environment that allows you to run your written js applications outside the browser. In this article, we will consider several options for installing Node.js on a server with Ubuntu 22.04.

One of the most common tasks when administering web servers is redirecting and rewriting URLs. And in the Apache web server, this is done using the .htaccess file. In this article, we will look at these two directives, how they differ, how and when to apply one or another directive. This article will be useful to anyone who administers Apache web servers.

At the first login to the server with the newly installed Linux OS, any of its distributions - it is necessary to start setting up your new server, but since the operating system has just been installed and there are no additional programs and components in it yet, the first text editor that the user encounters is Nano, which is pre-installed on all Linux systems. Let's talk about it.

Surely each of you, when working on the Internet, encountered the error 404. What kind of error is this and what causes it to appear, we will talk about in this article. We will also understand the methods of preventing and eliminating it if it has already appeared on your site.

One of the most popular tools for developing and deploying applications has long been and deservedly is Docker. But often developers and administrators do not worry about the cleanliness of the Docker environment, allowing the accumulation of unused images, containers and volumes. We will talk about how to delete them in this article.