linux guide

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... Read more

In a previous article, we showed you how to create a shared directory in Linux. Here, we will describe how to give read/write access to a user on a specific... Read more

The '!' symbol or operator in Linux can be used as Logical Negation operator as well as to fetch commands from history with tweaks or to run previously run command... Read more

Have you ever been confronted with the task of looking for a particular string or pattern in a file, yet have no idea where to start looking? Well then, here... Read more

One of the greatest features of Bash is the command history, which stores all commands a user runs, in a history file within his/her home directory (typically /home/$USER/.bash_history). This allows... Read more

The root account is the ultimate account on a Linux and other Unix-like operating systems. This account has access to all commands and files on a system with full read,... Read more

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