Category: Tips & Tricks

dpkg command with examples

Package management in Ubuntu : Learn dpkg command with examples

Ubuntu, Debian & distros based on these uses .deb files for installation of softwares/applications on the system & in order to install these deb, we use dpkg package manager. With dpkg, we can install,...

Important Docker commands

Important Docker commands for Beginners

In our earlier tutorial, we learned to install Docker on RHEL\ CentOS 7 & also created a docker container. In this tutorial, we will learn some important Docker commands to manipulate a docker container....

restrict ssh access

SSH server: Restrict SSH access on Linux

SSH is easily the most used service when it comes to Linux server. With SSH, we can easily connect to a Linux system remotely with ease. And since it’s used so often & installed...

install AWS CLI

Easy way to install AWS CLI on Linux

AWS or Amazon Web services is the industry leader when it comes to Cloud & it’s being used by many industry gaints for their IT infrastructure needs. Ease on infra provision & administration are...

Block Web traffic in Apache

Block Web traffic in Apache server using .htaccess

.htaccess file is a very important & useful file used to alter the configuration of Apache web server. .htaccess files can be used to change the configuration of the Apache Web Server to enable/disable...

Rollback an update

Rollback an update on RHEL/CentOS – A simple guide

Yum is default package manager for RPM based Linux distributions like RHEL, CentOS & is used to managing packages for the system. We can install, remove or update packages using the yum command. But...

ss command examples

Identify network issues :- Learn to use SS command (with examples)

Last updated on March 12th, 2018 at 07:20 pmSS command is used to get various network/socket connections related information from a Linux system. Previously we had used netstat command to perform the same operations...

install kodi

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

Last updated on March 17th, 2018 at 06:26 amIf you are movie or TV lover, then you should already know what KODI is. For those of you who still don’t know about Kodi, it...

Restore deleted files in Linux

How to restore deleted files in Linux with Foremost

Last updated on March 12th, 2018 at 07:21 pmIt might have happened to you at one point or another that you deleted a file or an image by mistake & than regretted it immediately....

screen command with examples

Learn to use Screen command (with examples)

Last updated on March 12th, 2018 at 07:22 pmScreen command is a very important command that provides the ability to launch & use multiple shell sessions from a single ssh session.  When a process...

Linux Directory structure

Reference guide to Linux Directory structure

Last updated on March 12th, 2018 at 07:23 pmWhen we install a Linux distribution we see that a number of directories are created. These created directories may be same or partially different on various...

MySQL error “Too Many Connections”

Resolve MySQL error “Too Many Connections”

Last updated on March 12th, 2018 at 07:24 pmRecently I came across a MySQL error “Too Many Connections”. Though this was a first for me but as I came to know afterwards, it is...

nmcli

Managing network connections using IFCONFIG & NMCLI commands

Last updated on March 12th, 2018 at 07:25 pmEarlier we have discussed how we can configure network connections using three different methods i.e. by editing network interface file, by using GUI & by using...

du & df commands

Use of du & df commands (with examples)

Last updated on March 12th, 2018 at 07:35 pmIn this article I will discuss du & df commands. Both du & df commands are important utilities of Linux system & shows disk usage of...

nmap command

Beginner’s reference guide to NMAP command

Last updated on March 12th, 2018 at 07:35 pmNetwork Mapper or NMAP command open source security tool & is said to be the best port scanner. It is mainly used for auditing the network...

speedtest on Linux CLI

SpeedTest-CLI: Run network speedtest on Linux CLI

Last updated on March 12th, 2018 at 07:36 pmPerforming 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...