Java is a high level programming language that is being used for a large number of applications & is installed on large number of servers/systems. We have already covered how we can inst… Read More

Sed command or Stream Editor is one of the most utilised utility for Linux systems. It is mainly used for text substitution, find/replace operations & also other text manipulations like… Read More

Using Linux means using command line interface aka CLI aka terminal on regular basis. Being good in using CLI is what separates a casual Linux user & an expert. In this tutorial, we will… Read More

System Admins are required to monitor IT infrastructure to make sure that everything is up & running. We have to monitor performance of hardware i.e memory, hdds & CPUs etc & so… Read More

In our earlier tutorial, we have learned to install wildfly 10.1.0. in this tutorial, we will learn to create a load-balancing wildfly cluster. We will be using wildfly verison 10.1.0, which… Read More

There are many GUI tools available to compare files & folders to check for any changes or dissimilarities, but it does not mean that one can’t perform comparison or diff using CLI… Read More

One of the most performed functions during day to day activities of a system admin is data archiving or data compression/Decompression. And normally we use ‘tar’ command to do so… Read More

There are plenty of ways for sending email while using GUI , using browser or with an email client. But options are limited when it comes to command line interface aka CLI. In this... The po… Read More

Gitlab is a web GUI for git repositories with support for CI/CD, issue tracking & wiki. We have already discussed in detail, how we can install GITLAB on CentOS & Ubuntu systems. In… Read More

In our earlier Ansible tutorial, we discussed the installation & configuration of Ansible. Now in this ansible tutorial, we will learn some simple ansible commands that we will use to ma… Read More