Linux is a powerful and versatile operating system that can be used for a wide range of purposes. For many system administrators, the command line interface is the primary way to interact with the system. Countless Linux commands can be used to perform various tasks, from simple file management to complex network configurations. However, even […]
Articles tagged: commands
Docker Alternative: Podman on Linux
This article is inspired by our LinuxCommunity.io forum discussion thread (thanks to users @tmick and @shybry747 for the feedback). Let’s walk through what Podman is and how to use it as a Docker alternative on Linux. Expect a practical guide on installing Podman, running containers with it, and understanding the basics. Containers have become the […]
watch Command in Linux: Real-Time Monitoring with Examples
The watch command runs any Linux command repeatedly at a set interval and displays the output full-screen, making it one of the quickest ways to monitor live system activity without writing a script. This guide covers all the key options with practical examples for real sysadmin use cases.
Linux Troubleshooting: These 4 Steps Will Fix 99% of Errors
I’ll admit, I hesitated a bit before writing this post. The whole point of this linuxblog.io and linuxcommunity.io forum is to bring together like-minded Linux users and professionals so we can troubleshoot, share ideas, and learn from one another. For a moment I thought, is it really productive for me to publish something that shows […]
From TECO to Neovim: 50 Years of Text Editing on Unix and Linux
Every so often, something surfaces in the LinuxCommunity.io forums that deserves a wider audience. Generally it is a question, a solved problem, or a quick tip. But occasionally a member shares something that stops you mid-scroll. A post so rich in lived experience that it feels less like a forum reply and more like a […]
Linux: Guide to useradd, usermod, and groupadd
A practical guide to Linux user and group management using useradd, usermod, userdel, groupadd, gpasswd, and chage. Covers real-world examples, common mistakes, service accounts, and safe account removal.
Linux Network Bonding: Combine Network Interfaces
Two network interfaces are better than one. With Linux network bonding (also known as NIC bonding or link aggregation), you can combine multiple NICs into a single logical interface, gaining either increased throughput, failover redundancy, or both. It works on physical servers, VMs, and even home lab setups. I set this up on my home […]
nmap on Linux: Guide to Network Scanning and Discovery
A practical guide to nmap on Linux covering host discovery, port and service scanning, OS detection, NSE scripts, output formats, and real-world command combinations sysadmins actually use.
Linux Log Files: Guide to Reading, Searching, and Managing Logs
A practical guide to Linux log files: where they live, how to read and search them with tail, grep, and journalctl, how to manage log rotation, and a real-world troubleshooting workflow.
systemd Services: Writing, Managing, and Troubleshooting Unit Files on Linux
Learn how to write, manage, and troubleshoot systemd service unit files on Linux. From basic service definitions to hardening options, restart policies, timers, and real-world debugging techniques.
