Category: Tips & Tricks

speedtest on Linux CLI

SpeedTest-CLI: Run network speedtest on Linux CLI

Performing network speedtest on servers or on desktops are one of the common tasks that are performed almost on regular basis. Most of the speed tests require a GUI to run but what about...

install sysbench

Benchmark your Linux systems: Install Sysbench tool

Sysbench is a free & open source benchmarking tool that is used for evaluation OS parameters like CPU usage, memory usage, Disk IO & MySQL performance. Especially it becomes extremely important to benchmark these...

user & group management

User & Group management : Complete Beginner’s Guide

One of the major work of a System Administrator is User & Group Management. We have to create new users & groups, delete old ones, providing users access to a group or folder etc etc....

install kodi

Convert your PC to entertainment center : Install Kodi on Ubuntu & Debian

If you are movie or TV lover, than you should already know what KODI is. For those of you who still don’t know about Kodi, it is an open source media center for playing...

upgrade php

How to install or upgrade PHP version to PHP 7

PHP (Hypertext Preprocessor) is a widely used open source scripting language that is used mainly for web development. It is used generally for creating dynamic web pages or for dynamic images on websites. In...

wget command

Learn to use Wget command with 12 examples

Every now & then we have to download files from internet, its easy id you are using GUI but CLI it can be a bit difficult. WGET command makes it easy for us to...

install logrotate

Install Logrotate in Linux (CentOS, RHEL, Fedora, Ubuntu, Debian)

Logs are very useful, especially when you are troubleshooting an issue. Logs have information about all the events for a service or for whole server. We have all kinds of logs for the servers...

mounting drives on linux

Complete guide for mounting drives in Linux systems

In this tutorial, we are going to discuss how we can mount drives on Linux (especially on RHEL/CentOS ) using command line interface. So without any delays, let’s start …. (Recommended Read: Creating SWAP...

fsck command with examples

Check Linux filesystem for errors: FSCK command with examples

FSCK is a very important Linux/Unix utility, it is used to check & repair the errors in the file system. It is similar to ‘chkdsk’ utility in Windows operating systems. It is available for...

scp & rsync commands

Files transfer using scp & rsync commands

Hello Linux-fanatics, in this tutorial we will discuss how to transfer files among system using scp & rsync with some examples. (also read tutorial on “Cloning disks using dd & cat commands“). But firstly let’s...

use regex

Bash Scripting: Learn to use REGEX (Part 2- Intermediate)

In our earlier tutorial, we learned to use regex with some basic concepts & we learned about meta-characters & learned to use those meta-chracters to create some easy but effective regex terms. We will...

SELinux

Beginner’s guide to SELinux

Hello Linux-fanatics, in this tutorial we will learn to use SELinux. Its been my experience that most Sys-Admins consider it a hassle & ends up disabling it. It is a great tool to help...

Surf anonymously: Learn to install TOR network on Linux

Tor Network is an anonymous network to secure your internet & privacy. Tor network is a group of volunteer operated servers. Tor protects internet communication by bouncing it around a distributed network of relay...

cloning disks

Cloning Disks using dd & cat commands for Linux systems

It always wise for a System Administrator to be prepared for the worst situation & having a backup/clones of servers, when such a day arrives will certainly make your job & life easy. Though...

let's encrypt on centos

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

Let’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 (Transport Layer Security) encryption via automated process which...

grep command with examples

Learning GREP command with examples

Grep is a very important & powerful Linux commands. It stands for ‘Global Regular Expression Print’ & is used for matching & printing a search pattern or a regular expression from a single or...