Tutorial

Introduction In this tutorial, we will learn how to install MongoDB 4.4 on Ubuntu 20.04 LTS (Focal Fossa). We will also learn to configure and secure our MongoDB 4.4 installation Prerequisites Ubuntu 20.04 LTS (Focal Fossa) with sudo access. Add MongoDB Public Key First of all, let’s add the MongoDB public key. This key is … Read more

In this tutorial we learn how to use sleep command in Linux. Sleep command can be used to provide delay between two commands invocations.

How to show the current user in Linux? we can use users command in Linux that will provide the information written in utmp file.

In this tutorial we will learn how to use true command in Linux. We’ll also learn the common usage of true in shell script.

In this tutorial we learn how to use logname command in Linux. The logname command print current user login name.