Linux Commands

GRand Unified Bootloader (GRUB) is a default bootloader in all Unix-like operating systems. As promised in our earlier article “How to reset a forgotten root password“, here we are going to review how to protect…

ncdu (NCurses Disk Usage) is a command-line version of the popular ‘du command, which is based on ncurses and offers the fastest way to analyze and track disk space usage in Linux. Providing an excellent…

In the wide world of Linux, learning simple yet powerful commands is key to becoming a proficient user. One such essential skill is appending lines to a file, a fundamental operation for adding information or…

Linux, with its powerful command-line interface, provides users with a myriad of tools to monitor and manage processes efficiently. One essential piece of information for troubleshooting or system optimization is knowing how long a process…

RPM (Red Hat Package Manager) is a default open-source and widely-used package management utility for Red Hat-based systems such as CentOS Fedora, Rocky, and Alma Linux. The rpm package management tool enables system administrators and…

If you’re a Linux user and you’ve ever encountered the error message “bash: curl: command not found” or “bash: /usr/bin/curl: No such file or directory” don’t worry – you’re not alone! This error often pops…

You may have found the first article, ‘Useful Commands for Beginners‘ very helpful, as it was intended for newbies, this article is tailored for middle-level and advanced users. It covers topics such as customizing search,…

Debian-goodies is a package that includes toolbox-style utilities used to manage Debian and its derivative systems such as Ubuntu, Linux Mint, Kali Linux, etc. The utilities under debian-goodies package are developed in such a way…

Efficiently managing running processes is a crucial aspect of Linux system administration, enabling administrators to maintain system performance and troubleshoot issues by finding and terminating processes in a Linux environment. This article explores the ins…

The ‘timedatectl‘ command is a new utility for RHEL-based and Debian-based distributions. It is a part of the ‘systemd‘ system and service manager, serving as a replacement for the old traditional date command used in…

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…

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…

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…

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…