In Linux (also UNIX) $PATH is environment variable, used to tell the shell where to look for executable files. $PATH variable provides great flexibility and security to the Linux systems and it is definitely safe to…
More is a *nix command line used to display the contents of a file in a console. The basic usage of more command is to run the command against a file as shown below: Read…
Device or system hostnames are used to easily recognize a machine within a network in a human readable format. It is not much of a surprise, but on Linux system, the hostname can be easily…
If you are a Linux system administrator, time will come when you will need to configure networking on your system. Unlike desktop machines where you can use dynamic IP addresses, on a server infrastructure, you…
This article is a part of our Linux Tricks and Tips series, in this article we will cover some basic usage of cat command (most frequently used command in Linux) and tac (reverse of cat…
When we run certain commands in Unix/Linux to read or edit text from a string or file, we most times try to filter output to a given section of interest. This is where using regular…
A system administrator often needs to run a command repeatedly in a certain periods of time. Often such tasks can be easily completed with simple cron commands. In most of the cases this should work, but…
SSH or Secure Shell in simple terms is a way by which a person can remotely access another user on other system but only in command line i.e. non-GUI mode. In more technical terms, when…
Environment Variables are some special variables that are defined in shell and are needed by programs while execution. They can be system defined or user defined. System defined variables are those which are set by…
Usually, we are in habit of saving a lot of information in form of files on our system. Some, hidden files, some kept in a separate folder created for our ease of understanding, while some…
You have a lot of images, and want to optimize and compress the images without losing its original quality before uploading them to any cloud or local storages? There are plenty of GUI applications available…
APT means Advanced Packaging Tool is another package manager found on Linux based systems. Initially designed as a front-end for dpkg to work with .deb packages, apt has succeeded to show his visibility on Mac…
Package Manager is software which allows a user in case of installation of new software, up-gradation of system, or updating any specific software and such sorts of things. In case of Linux based systems wherein…
Hi fellow Linux readers, I’m bringing you yet another great article from our Linux Tips and Tricks series, this time we will be using two lesser known Linux utilities that you should must know about….
A Partition is a space carved out from a physical disk which can be used to either install an Operating System or just act as a storage space for Users files and other data. Each…
The tar utility is one of the utilities that you can use to create a backup on a Linux system. It includes many options that one can use to specify the task to achieve. Extract…
In this tutorial, I am going to take your through steps you can use to delete a user’s account together with his/her home directory on a Linux system. Delete User Accounts with Home Directory in…
People who use Linux often think that it doesn’t require defragmentation. This is a common misunderstanding across Linux users. Actually, the Linux operating system does support defragmentation. The point of the defragmentation is to improve…