Tag: CentOS

How to Fix Error: Failed to Download Metadata for Repo ‘AppStream’

If you, for one reason or the other, are still actively using CentOS 8, you might probably have encountered the following error when trying to update your system or simply install a package. “Error: Failed

How to Open, Extract and Create RAR Files in Linux

RAR is the most popular tool for creating and extracting compressed archive (.rar) files. When we download an archive file from the web, we required a rar tool to extract them. RAR is available freely

How to Install GLPI [IT Asset Management] Tool on RHEL Systems

GLPI is a French acronym for ‘Gestionnaire Libre de Parc Informatique‘ or simply ‘Free IT Equipment Manager‘ It’s an open-source IT asset Management, service Desk System, and issue tracking system written in PHP. GLPI is

Top 8 YUM/DNF ThirdParty Repositories for RHEL-Based Linux

YUM (Yellowdog Updater Modified) is an open-source, widely used command-line and graphical-based package management tool for RPM (RedHat Package Manager) based Linux systems, including, but not limited to, Red Hat Enterprise Linux (RHEL), CentOS, Scientific

Disable or Enable SSH Root Login and Limit SSH Access in Linux

Everyone knows that Linux systems come with root user access and by default, root access is enabled for the outside world. For security reasons, it’s not a good idea to have ssh root access enabled

Install LXC (Linux Containers) in RHEL, Rocky & AlmaLinux

LXD is described as the next-generation container and virtual machine manager that offers an immersive for Linux systems running inside containers or as virtual machines. It provides images for an inordinate number of Linux distributions

How to Set GRUB2 Password in RHEL, CentOS and Fedora Linux

GRand Unified Bootloader (GRUB) is a default bootloader in all Unix-like operating systems. As promised in our earlier article “How to reset a forgotten root password“, here we are going to review how to protect

How to Setup MySQL Replication in RHEL, Rocky and AlmaLinux

Data replication is the process of copying your data across multiple servers to improve data availability and enhance the reliability and performance of an application. In MySQL replication, data is copied from a database from

How to Disable Package Updates Using YUM/DNF in RHEL Linux

The DNF (Dandified Yum) is the next-generation version of the YUM (Yellowdog Updater, Modified), is an open-source default package manager for Red Hat-based Linux distributions, that is used for getting, installing, upgrading, removing, and querying

How to Install MySQL 8.0 on RHEL/CentOS 8/7 and Fedora 35

MySQL is an open-source free relational database management system (RDBMS) released under GNU (General Public License). It is used to run multiple databases on any single server by providing multi-user access to each created database.