Operating System

If you are in charge of managing a database server, from time to time you may need to run a query and inspect it carefully. While you can do that... Read more

In this tutorial, we will explain auxiliary file permissions, commonly referred to as “special permissions” in Linux, and also we will show you how to find files which have SUID... Read more

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,... Read more

MTR is a simple, cross-platform command-line network diagnostic tool that combines the functionality of commonly used traceroute and ping programs into a single tool. In a similar fashion as traceroute,... Read more

Many times, we are locked in a situation where we have to search for multiple files with different extensions, this has probably happened to several Linux users especially from within... Read more

By default, all commands executed by Bash on the command line are stored in history buffer or recorded in a file called ~/.bash_history. This means that a system administrator can... Read more

fdisk stands (for “fixed disk or format disk“) is an most commonly used command-line based disk manipulation utility for a Linux/Unix systems. With the help of fdisk command you can... Read more

If you are managing multiple Linux servers, and you want to run multiple commands on all the Linux servers, but you have no idea about how to do it. There... Read more

In this guide, we shall bring to light a simple yet important concept in process handling in a Linux system, that is how to completely detach a process from its... Read more

The /tmp directory contains mostly files that are required temporarily, it is used by different programs to create lock files and for temporary storage of data. Many of these files... Read more