Category: OS
Understanding the ifconfig Command Line on Linux
Introduction The ifconfig command line utility is a powerful tool in Linux that allows users to configure and display network interface information. With ifconfig, you can manage network settings, view IP addresses, netmasks,…
How To Remove Users on Linux
Introduction Managing user accounts is an essential task for Linux system administrators. Occasionally, you may need to remove users who are no longer active or require access to your system. Removing users involves…
Efficient IP Address Management on Ubuntu: Streamlining Network Administration
Introduction IP address management (IPAM) plays a vital role in the efficient functioning of any network infrastructure. It allows network administrators to organize, monitor, and allocate IP addresses effectively. In this article, we…
A Guide to Extracting Compressed Files in Linux
Introduction Compressed files are a common way to bundle multiple files into a single archive, making it easier to transfer and store large amounts of data. In Linux, there are various compression formats…
Understanding the Linux chmod Command: Managing File Permissions with Ease
Introduction In the Linux operating system, file permissions play a crucial role in maintaining security and controlling access to files and directories. The chmod command, short for “change mode,” allows users to modify…
Getting the Size of a Directory in Linux
To get the size of a directory in Linux, you can use the du command. The du command stands for “disk usage” and is used to estimate file and directory space usage. Here’s…
How To Add User To Sudoers Group on Debian 11
In this short tutorial we will show you how to add an ordinary user to sudoers group on Debian 11 operating system. Introduction If we have a freshly installed Debian 11 operating system,…
How To Install And Set up sftp Server in Ubuntu 22.04
In this short tutorial, we will learn how to install and set up SFTP server on Ubuntu 22.04 LTS operating system. SFTP is widely used in enterprise environments, web hosting, and other situations…
How to Change Hostname on CentOS 7
On this short tutorial, we will learn how to change hostname on CentOS 7 operating system. Introduction As a sysadmin, we are sometimes asked by our user to reset the hostname of a…
How To Add User to Sudoers on CentOS 7
On this short article, we will learn how to add an regular user to be sudoers on CentOS 7 opearting system. Introduction Sometimes we need root level privileges to run some tasks in…
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