The Linux Compendium
Vim is a short form of Vi IMproved. It is an open-source and free tool with a command-line interface and a Graphical User Interface. This article will show you how to install vim editor on Debian 11 using the terminal. To get started, you need to open up a terminal with root privileges and update … Read more
Podman is a free and open-source daemon-less container engine that was developed by RedHat. It exists to help developers manage and deploy their applications in a Linux environment. Similar to the Kubernetes platform, Podman works with pods. Podman seeks to be the alternative to the Docker engine which is also a containerization platform. Podman improves … Read more
This guide shows you how to retrieve system details of your Debian 11 or Debian 10 system, e.g. kernel name, kernel release, kernel version, hostname, hardware architecture, processor type, hardware platform and operating system information. This guide was tested with Debian 10, but the commands shown here also work with other Linux distributions. How to … Read more
The DNS or the Domain Name Server can be characterized as one of the most essential parts of your link to the internet. The DNS translates the domain names to and from the IP addresses so that we don’t need to remember or keep a list of all the IP addresses of the websites we … Read more
Most Ubuntu systems use bash or dash as their default terminal application. You type your commands at a standard command prompt, which usually displays your username, hostname, and current directory in a predefined color scheme. Bash provides many customization options for the command prompt that allow you to not only add different functions to the … Read more
PDF or Portable Document Format is usually our first choice when it comes to printing, sharing, and sending documents, especially larger documents. On Windows and macOS, you probably are familiar with and rely on the widely used Acrobat products for viewing and editing PDF files. Unfortunately, there is no standard PDF editor on your Linux … Read more
As Linux users, we sometimes need to know what port number a particular process is listening on. All ports are associated with a process ID or service in an operating system. So how do we find this port? In this article, we will present three different methods that you can use to find out which … Read more
What is iptables? Iptables is a command-line firewall program that allows or blocks traffic based on the policy chain used. Iptables takes a packet-based approach to monitor traffic. When a program tries to connect to your system, iptables looks for a rule from a predefined list. If a rule is not found, it falls back … Read more
The performance of a computer or server environment very much depends upon the system memory and disk usage. If something is consuming more disk space then it will lead to a system error. Likewise, increasing log file size must be controlled to reduce such risk. Logrotate was introduced as a system utility that rotates, compresses … Read more
We all know how important it is to use strong passwords for our systems, online accounts, and other sensitive applications. The real question is how you generate a password that you can rely on and that meets the criteria of a strong password. Ideally, a strong password must contain lowercase and uppercase letters, numbers, and … Read more