How to Check if a File or Directory Exists in Bash
Many times when writing Shell scripts, you may find yourself in a situation where you need to perform an action based on whether a file exists or not. In Bash you can use the test command to check whether a file exist and determine the type of the file.
How To Set or Change Timezone on Debian 9
Using the correct timezone is important for many systems related tasks and processes. The system's timezone is set during the installation, but it can be easily changed at a later time. This tutorial shows how to set or change the timezone on Debian 9.
How to Add and Delete Users on Debian 9
Knowing how to add and remove users is one of the basic skills a Linux user should know. In this tutorial, we will show you how to add and remove users on Debian 9.
How to Enable and Set up Automatic Unattended Security Updates on Ubuntu 18.04
Regularly updating your Ubuntu system is one of the most important aspects of overall system security. In this tutorial, we will walk through how to install and configure automatic unattended updates on Ubuntu 18.04.