Find out the user’s login history to the server

Below you can find out how to get the user’s login history to the server. utmpdump…

Fix initscripts conflicts with redhat-release-server-7.4-18.el7.x86_64

When you update your Redhat Enterprise Linux system with yum update sometimes you run some conflicts…

How to Install Open JDK/Oracle JDK on CentOS 7 or RHEL 7

Java is used in most application today as their development base of their application. So, you…

How to resolve cannot set max_connections through my.cnf

I have some problem with MySql/MariaDB configuration to set max_connections parameter in /etc/my.cnf but MariaDB does…

How to Set Session Timeout in Red Hat

As administrator we use ssh to manage our server, as day to day operation. As i…

Yum commands fail with error “No module named yum” in RHEL 7

Yum commands fail with following error “No module named yum” in Red Hat Enterprise Linux 7…

How to install Docker in RHEL 7.x

As in Docker documentation, they do not support Docker in Red Hat Enterprise Linux system. To…