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…
There’s no doubt that Skype is arguably one of the most popular instant messaging and video calling applications there is out there. Whether it’s keeping in touch with your friends and family or having conversations…
So, you have just installed a fresh copy of Linux Mint 20 or Linux Mint 21 and are ready to make the most of your new system. How do you move forward? In this guide,…
The Linux command line, the most adventurous and fascinating part of GNU/Linux, is a very cool and powerful tool. The command line itself is highly productive, and the availability of various built-in and third-party command-line…
It is time to make our New Year’s resolutions. Regardless of your experience level as a Linux system administrator, we think it is worth well to set goals for growth for the next 12 months….
The Friendly Interactive Shell which is commonly called and abbreviated as FISH is a shell for UNIX and UNIX-like operating systems. It is released under GNU General Public License v2. FISH is a user-friendly, interactive…
Following the most recent distribution update on Distrowatch – for the past 12 months, the statistics have barely changed and continue to be mostly in favor of the better-known operating system that has been around…
When managing your Linux system, it’s crucial to keep track of your hard disk or storage devices, and one key piece of information is the serial number of your storage drives. The serial number uniquely…
In the Linux world, users like to customize their systems for better performance and security. One way to do this is by tweaking the startup process, which can get slowed down by unnecessary services. Bluetooth…
In the previous tutorial, we demonstrated step-by-step how to install Proxmox on a Debian 12 system. In this second part, we will go a step further and create a Virtual Machine (VM) on Proxmox. Creating…
In Linux, software package management plays a crucial role in the seamless operation of a system that involves the installation, upgrading, configuration, and removal of software packages. A package manager is a software tool that…
CRM software is meant to help organizations and businesses build customer relationships, improve sales processes, and increase profitability. For Linux users, choosing a suitable CRM platform is not a problem due to the fact that…
Proxmox Virtual Environment is a robust and open-source virtualization platform based on Debian GNU/Linux that ships with a custom kernel and encapsulates KVM virtualization and Linux Containers (LXC). It is a server management platform for…
On the internet, you will find plenty of tools for checking disk space usage in Linux. However, Linux has a strong built-in utility called ‘df‘. The ‘df‘ command stands for “disk filesystem“, it is used…
In Linux, killing a process refers to terminating or stopping the execution of a running program. Each running process is assigned a unique identifier number known as the Process ID (PID), which helps the system…
The shell, or command-line interface, is a crucial component of the Linux operating system, providing users with a powerful way to interact with the system. Each user on a Linux system is associated with a…
It’s not uncommon to run into an issue of broken packages in Ubuntu and other Debian-based distributions. Sometimes, when you upgrade the system or install a software package, you may encounter the ‘Sub-process /usr/bin/dpkg returned…
The two commonly used AUR helpers in Arch Linux are Yaourt and Packer. You can easily use them for Arch Linux package management tasks such as installing and updating packages. However, the two have been…
