How to Install Apache ActiveMQ on CentOS/RHEL 8
ActiveMQ is a popular, open-source, multi-protocol implementation of message-oriented middleware (MOM) with enterprise features written in Java, used to send
CentOS Tips
How to Install Fail2Ban to Protect SSH on CentOS/RHEL 8
Fail2ban is a free, open-source and widely used intrusion prevention tool that scans log files for IP addresses that show
Setup a Centralized Log Server with Rsyslog in CentOS/RHEL 8
In order for a system administrators to recognize or analyze problems on a CentOS 8 or RHEL 8 server, it
How to Install Ansible Automation Tool on CentOS/RHEL 8
Ansible is a free and opensource automation tool that allows system administrators to configure and control hundreds of nodes from
Installation of “CentOS 8.0″ with Screenshots
CentOS 8 has finally been released! The new version, which is a community version of RHEL 8, ships with new
How to Fix “Cannot find a valid baseurl for repo” in CentOS
One of the commonest errors CentOS users encounter when using the YUM package manager (for example running the yum update
How to Downgrade RHEL/CentOS to Previous Minor Release
Have you upgraded your kernel and redhat-release packages and you are encountering some issues. Do you want to downgrade to
How to Install Asterisk on CentOS/RHEL 8/7
Asterisk is an open-source framework used for building communication applications. You can use it to turn a local computer or
How to Undo or Redo a Yum Install on CentOS and RHEL
One of the most important and useful feature added to YUM Package Manager (from version 3.2.25) is the ‘yum history’
How to Install and Configure Apache Tomcat 9 in CentOS 8/7
Apache Tomcat (earlier known as Jakarta Tomcat) is an open-source web server developed by Apache Foundation to provide a pure
How to Create an HTTP Proxy Using Squid on CentOS 7/8
Web proxies have been around for quite some time now and have been used by millions of users around the
CentOS 6.10 Netinstall – Network Installation Guide
CentOS is a most popular and widely used Linux distribution from the RedHat Enterprise family. This CentOS 6.10 release is