How to Install Screen utility in CentOS 8

Screen utility allows running multi-tasking environment and keeping processes running in the background. By default, package is not available in CentOS distribution.

How to Disable IPv6 (Internet Protocol version 6) on CentOS 8

IPv6 (Internet Protocol version 6) is the latest version of the Internet Protocol (IP) that provides an identification and location for internet devices on networks and provides a larger IP addressing scheme for IoT (Internet of Device). IPv6 is looks like as below on CentOS:

How to Install PHP 7.3 Latest Version on CentOS 7

PHP is free and open source programming language. It is widely used Linux based system for web application developments. PHP 5.4.xx packages are available in CentOS 7 base/default repositories which are old versions and about to end of life. 

How to Install REMI Repository on CentOS 7

REMI Repository is a third-party repository that provides the latest versions of software for Enterprise Linux, CentOS and for other clones. The REMI repository works along with EPEL repository to resolve any dependency for packages.

How to Install PHP 5.4 on CentOS 7

PHP is free and open source programming language. It is widely used Linux based system to write application. PHP package is available in CentOS 7 Base/default repositories:

How to Resolve “No package iperf available.” on CentOS 7

Mostly the massage “No package iperf available” will appears when the package is not available in CentOS 7 Base/default repositories and the massages will display like below:

How to install and configure Samba Server on CentOS 7

Samba Server is an open source file sharing server. It allows to access files, folders and printers between Linux server and windows client.

How to Create Local YUM repository on CentOS 7

YUM (YellowDog Updater Modified) is a package management tool for RPM based Linux system that helps to install, uninstall, and update packages local and over the network. YUM resolve all dependency and install the package with all dependencies.

How to Configure 3 Nodes High Availability Cluster with Pacemaker and CoroSync on CentOS 7

High Availability (HA) Cluster provides the continued availability of services without failure for a long period of time. If one of the cluster nodes fails, the pacemaker service will start the services on another node. Pacemaker and CoroSync are open source and widely used software for service high availability in production environments.

How to configure Apache Web Server 2 Nodes High Availability Cluster with Pacemaker and Corosync on CentOS 7

High Availability (HA) Cluster (active-passive) provides the continued availability of services without failure for a long period of time. If one of the cluster nodes fails, the pacemaker service will start the services on another node. Pacemaker and Corosync are open source and widely used software for service high availability in production.

How to Install and Configure Postfix Server on CentOS 7

Apache is most popular and open source web server to server html, php and others. It released by Apache foundation under GNU license. The Apache binary is available in CentOS 7 default repository.

How to Install Apache/httpd Web Server on CentOS 7

Apache is most popular and open source web server to server html, php and others. It released by Apache foundation under GNU license. The Apache binary is available in CentOS 7 default repository.

How to Install and Configure VNC Server on CentOS 7

VNC (Virtual Network Computing) server is a utility which provides remote desktop accessibility over the network.

How to Resolve “Warning: RPMDB altered outside of yum” CentOS 7

The message “Warning: RPMDB altered outside of yum” displayed when the yum command is not finished completely or interrupted while running any yum transaction and rpmdb does not completed the rpm database editing.

How to Configure 2 Nodes High Availability Cluster with Pacemaker and Corosync on CentOS 7

High Availability (HA) Cluster provides the continued availability of services without failure for a long period of time. If one of the cluster nodes fails, the pacemaker service will start the services on another node. Pacemaker and Corosync are open source and widely used software for service high availability in production environments.

How to Enable EL repository in CentOS 7

The EL repository is an additional RPM repository for Enterprise Linux. ELRepo supports Red Hat Enterprise Linux and its derivatives Scientific Linux, CentOS and its other distributions that provides hardware related file system drivers, graphics drivers, network drivers, sound drivers, webcam and video driver’s related packages.

How to configure EPEL repository on CentOS 8

The EPEL repository is an additional package repository that provides useful software packages that are not included in the official CentOS 8 repositories and easy access to install packages for commonly used software.

How to resolve wget: command not found in CentOS 8

wget command: It is a command-line utility and used to downloads files over a network. wget is a free utility to download files and available most of the Linux distributions.