LinuxTechLab Blog

useful Linux shortcuts

Informative guide to useful Linux shortcuts

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...

network monitoring

Monitoring network bandwidth with iftop command

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 does we...

wildfly cluster

Creating a Wildfly cluster for load-balancing in Linux

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 is the latest...

let's encrypt on centos

Create a free Apache SSL certificate with Let’s Encrypt on CentOS & RHEL

Last updated on June 5th, 2018 at 02:48 pmLet’s Encrypt is a free, automated & open certificate authority that is supported by ISRG, Internet Security Research Group. Let’s encrypt provides X.509 certificates for TLS...

compare files in Linux

Simple way to compare files in Linux for differences

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 on a...

tar command examples

Tar command Examples : Compress & Decompress the files\directories

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 but there are other...

Send mail from terminal

Mail Command : Send mail from terminal on Linux machines

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...

Backup & Restore GITLAB

Easy & simple guide to Backup & Restore GITLAB

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 this...

Simple Ansible commands

Ansible Tutorial: Introduction to simple Ansible commands

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 manage our infrastructure. So...

Step by step guide to install Ubuntu 18.04

Ubuntu is & has been a good choice for people who use want a stable Desktop Linux distribution, & it’s also a good choice of Linux distribution that can also be used as server...

create Bootable Linux Flash Drive

Learn to create Bootable Linux Flash Drive (using Ubuntu)

To be able to install Ubuntu or any other Linux OS or even any other OS like Windows etc, we either need a bootable FlashDrive or a DVD of the OS. In this tutorial,...

add ssh credentials on Jenkins Server

How to easily add ssh credentials on Jenkins Server

Last updated on June 5th, 2018 at 03:08 pmJenkins can make ssh connection to a remote server for the purpose of executing a command or running a script or we can also copy file...

mount NTFS drives on Linux

How to mount NTFS drives on Linux easily

  Windows operating system uses NTFS for partitioning large Hard disk drives, whether they are local hdd or an external one. They can be easily used among systems but when these NTFS partitioned drives...

migrate SVN to GIT

Easiest guide to migrate SVN to GIT: Convert all SVN repositories

Almost all developers around the world use a version controlling software for managing & sharing their codes. SVN has always been a good choice but now Git is in demand & people are shifting...

check Linux kernel

How to check Linux kernel & OS related information

Sometimes we might require the information about the Linux system we are running, information like Linux/Distro version, its kernel , release name etc. In this tutorial, we will discuss many commands with which we...

vim editor

Working with Vi/Vim Editor : Advanced concepts

Earlier we have discussed some basics about VI/VIM editor but VI & VIM are both very powerful editors and there are many other functionalities that can be used with these editors. In this tutorial,...