Linux system administration involves many activities one of which is monitoring and checking for how long your system has been running. It is always a good idea to keep track of system uptime in order…
A cluster is a collection of two or more nodes that offers an avenue for moving around resources between servers. Migrating resources make it possible to undertake tasks such as upgrading servers and applying patches…
The earlier articles in the ‘Shell Scripting‘ series received great feedback, so I’m writing this article to keep the learning journey going. Bash Keywords Bash keywords refer to specific words or commands used in the…
Linux shell scripting is the art of writing small programs (scripts) to automate tasks in the command-line interface, which involves using commands, variables, loops, and conditionals to create efficient and automated workflows. This article is…
The Linux shell, or command-line interface, is a powerful program that enables users to interact with the operating system via text-based commands. Understanding the basics of the Linux shell and shell scripting can greatly enhance…
So, are you planning to switch from Windows to Linux or have you recently made the switch to Linux? Oops! What am I asking? Why else would you be here? In my earlier experience as…
If you’ve ever used Debian or Debian-based distributions like Ubuntu or Linux Mint, then chances are that you’ve used the apt package system to install or remove software. Even if you’ve never dabbled in the command…
Have you ever been confronted with the task of looking for a particular string or pattern in a file, yet have no idea where to start looking? Well then, here is the grep command to…
In my previous article, we learned the installation of Shorewall, configuration file setup, and the configuration of port forwarding over NAT. In this article, we will delve into common errors associated with Shorewall, provide solutions,…
Setting up a firewall in Linux can be very daunting for a newbie, or someone not very familiar with iptables. Luckily, there is a very easy-to-use solution in Shorewall. In this multi-part tutorial, I am…
Brief: This tutorial examines some of the best free and open-source school management software for Linux. Running an educational institution in an efficient manner is no mean task. It usually involves handling various aspects such…
Brief: In this guide, we will discuss the best tools for monitoring and debugging disk I/O activity (performance) on Linux servers. A key performance metric to monitor on a Linux server is disk I/O (input/output)…
In this tutorial, you will learn how to create clones and templates of Virtual Machines in Proxmox. Take a look at our earlier tutorials on Proxmox. A clone is simply an exact copy of a…
Systems Administrators are well aware of the importance of being able to monitor and administer numerous machines in a short amount of time, preferably with minimal physical movement. Whether it’s a small cloud environment or…
One of the biggest draws to using Linux is its easy customization and one of the most fun things to customize is the Kernel itself, the heart of the Linux operating system. Chances are that…
No doubt, that OpenSSH is one of the most widely used and powerful tools available for Linux, which allows you to connect securely to remote Linux systems via a shell and allows you to transfer…
This is our fourth guide of the Proxmox series, in this tutorial, we will explore how to backup and restore VMs in Promox. As a prerequisite, ensure that you already have a virtual machine running…
In the previous lectures, we learned how to install Proxmox on Debian and also how to create virtual machines. In this tutorial, we will see how to create a container on Proxmox. Containers in Proxmox…