Linux Commands

sudo is a powerful command line tool that enables a “permitted user” to run a command as another user (the superuser by default), as defined by a security policy. On... Read more

mysqladmin is a command-line utility the comes with MySQL server and it is used by Database Administrators to perform some basic MySQL tasks easily such as setting root password, changing... Read more

We all love listening to music. Whether it’s in the gym, at work, outside, music is part of our life. Everyone has their own music collection and undoubtedly everyone likes... Read more

DenyHosts is an open source and free log-based intrusion prevention security program for SSH servers developed in Python language by Phil Schwartz. It is intended to monitor and analyzes SSH... Read more

Usually, when you install a package in CentOS and Ubuntu, the package management software selects the latest package version from the repository, by default. However, sometimes, for one reason or... Read more

The cat (short for “concatenate“) command is one of the most frequently used command in Linux/Unix like operating systems. cat command allows us to create single or multiple files, view... Read more

Assume you are running short on disk space and you wanted to free up, by searching something that’s a waste of space and removing it or moving it to an... Read more

In our previous article, we have described how to count the number of files and subdirectories inside a given directory. This guide will show you how to rename all files... Read more

In our previous article, we have covered some useful command line networking utilities for Sysadmin’s for network management, troubleshooting and debugging on Linux. We mentioned some networking commands that are... Read more