Rename Command in Linux (Rename Multiple Files)
The rename command renames the given files by replacing the search expression in their name with the specified replacement.
How to Transfer Files with Rsync over SSH
With rsync you can transfer files and directories over SSH from and to remote servers. In this tutorial, we will explain how to to copy files with rsync over SSH.
How to Check for Listening Ports in Linux (Ports in use)
This article explains how to find out the ports in use and which services are listening on which ports using the netstat, ss and lsof commands. The instructions are applicable for all Linux and Unix-based operating systems like macOS.
How to Add User to Sudoers in CentOS
To grant sudo access to user in CentOS you have two option. The first one is to add the user to the sudoers file. The second option is to add the user to the wheel group.