Hosting Mate

In Linux, you can change the maximum amount of open files. You may modify this number by using the ulimit command. It grants you the ability to control the resources available for the shell or…

When running a web server that can be accessed from an open or public network such as Internet, then it is always a good System Administration practice to monitor access to your server. Find Top…

A rough utilization of Linux cat command would be to make a full disk backup or a disk partition backup or cloning of a disk partition by redirecting the command output against the partition of…

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…