How to Install Graylog 3 on RHEL 7 or CentOS 7

System log is very crucial part in debugging a system. System log will write down any…

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 enable GUI in VPS

Either you have unmanaged Ubuntu or Cent OS server, it comes with no graphical user interface.…

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…

Docker Tutorial for Beginners

Docker is a platform software that enables you to make, test, develop, and distribute apps fast.…

How to install Docker in RHEL 7.x

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

snmpd an SNMP Agent

snmpd is an SNMP agent for collecting, monitoring, and managing information from managed devices on IP…

Build your own Docker Hub image

We are going to push your repository to Docker Hub and build image automatically. This will…

tmux Tutorial

tmux or terminal multiplexer; it allows several terminals to be created, accessed, and controlled from a…