Category: Linux

How to Add a User to a Group in Red Hat Enterprise Linux (RHEL)

November 15, 2023November 15, 2023 oarsman No Comments

Introduction In Red Hat Enterprise Linux (RHEL), user management is a crucial aspect of system administration. One common task is adding a user to a specific group, which grants the user access to certain resources or privileges. Furthermore, this article will guide you through the process of adding a user to a group in RHEL,…

Linux

How to Install Kali Linux on Android

November 9, 2023November 9, 2023 oarsman No Comments

Kali Linux, known for its robust penetration testing tools and security features, can be installed on Android devices, transforming your smartphone or tablet into a powerful cybersecurity tool. In this comprehensive guide, we’ll walk you through the step-by-step process of installing Kali Linux on an Android device, providing detailed instructions and necessary commands. Prerequisites: Before…

Linux

How to Check Memory Usage on CentOS

November 4, 2023November 4, 2023 oarsman No Comments

Monitoring memory usage on your CentOS server is crucial for ensuring its optimal performance and stability. Understanding how to check memory usage allows you to identify potential issues and take necessary actions. In this detailed guide, we will explore various methods and commands to help you check memory usage on your CentOS system. Using the…

Linux

How to Fix Touchpad Not Working on MX Linux

September 14, 2023September 14, 2023 oarsman No Comments

MX Linux is a popular Linux distribution that is known for its stability and ease of use. However, even the most user-friendly operating systems can experience problems from time to time. One common problem that MX Linux users may encounter is a touchpad that is not working. There are a few reasons why a touchpad…

Linux, MX Linux

How to Install Ncurses on Fedora Linux

April 6, 2023September 25, 2023 oarsman No Comments

What is Ncurses Ncurses is a programming library that provides a set of functions to facilitate the development of text-based user interfaces in a terminal-independent manner. It is commonly used in Linux and Unix systems to create console-based applications that can be run in a terminal window. Ncurses provides an abstraction layer that allows developers…

Linux

How to Clean YUM Cache on CentOS

March 30, 2023March 30, 2023 oarsman No Comments

What is YUM in Linux YUM (Yellowdog Updater Modified) is a package management tool used in many Linux distributions such as CentOS, Fedora, and Red Hat Enterprise Linux. It helps to install, update, and remove software packages in a simple and efficient manner. With YUM, users can search for available packages and dependencies, check the…

Linux

How to Import the Linux Mint Signing Key

January 19, 2023January 19, 2023 oarsman No Comments

In Linux Mint, the package signing key is used to ensure the authenticity and integrity of the packages that you download and install. To import the Linux Mint signing key, you can use the apt-key command, which is a command-line tool for managing the package signing keys on your system. Here is an example of…

Linux, Linux Mint

How to Install Java on Debian Linux

January 7, 2023January 7, 2023 oarsman No Comments

What is Java? Java is a popular programming language that is used to develop a wide range of applications, including web applications, mobile applications, and games. It is a class-based, object-oriented language that is designed to be simple, easy to learn, and easy to write, compile, and debug. One of the main features of Java…

Debian, Linux

How to Install Apache Tomcat on Fedora Linux

December 29, 2022December 29, 2022 oarsman No Comments

What is Apache Tomcat Apache Tomcat is an open-source web server and servlet container developed by the Apache Software Foundation. It is used to deploy and run Java-based web applications, and it is a popular choice for web development due to its lightweight and flexible design. Tomcat is designed to be easily installed and configured,…

Fedora, Linux

How to Patch Suse Linux Enterprise Server 15

December 24, 2022December 24, 2022 oarsman No Comments

Suse Linux Enterprise Server Patches SUSE Linux Enterprise Server (SLES) patches are updates to the system that fix bugs, add new features, and provide security and stability improvements. They are released by SUSE, the developer of SLES, and are usually made available through the software repositories configured on the system. SLES patches are classified according…

Linux, Open Suse

How to Apply a Patch to an Ebuild on a Gentoo System

December 22, 2022December 23, 2022 oarsman No Comments

What are Patches on Gentoo System? On a Gentoo system, patches are used to modify the source code of a package before it is compiled and installed. Patches can be used to fix bugs, add new features, or customize the behavior of a package. Patches are typically applied to the ebuild (a package build script…

Gentoo, Linux

How to Change Hostname on Centos

December 19, 2022February 19, 2023 oarsman No Comments

CentOS Hostnames

A CentOS hostname is a unique name that identifies a CentOS system on a network. It is used to identify the system when connecting to it over the network, and it is also used to identify the system in log files and other diagnostic information.

There are a few different types of hostnames that can be used on a CentOS system. The most common type is a simple hostname, which consists of a single word or phrase. For example, “server1” or “web-server” are both valid simple hostnames.

Centos, Linux