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. Continue reading...
#commands
11 posts
7 Jun
6 Jun
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. Continue reading...
1 Jun
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. Continue reading...
24 May
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. Continue reading...
21 May
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. Continue reading...
7 May
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. Continue reading...
3 May
A practical guide to Linux environment variables: how to set, export, persist, and debug them correctly across shell sessions, user accounts, system-wide configs, and systemd services. Continue reading...
24 Apr
If the Linux desktop and applications on your thin and light laptop or low-end PC feel sluggish under a busy session, the usual suspects are slow storage R/W, not enough RAM, or occasionally a CPU bottleneck. But on machines with integrated graphics, there is a fourth bottleneck most people never check: VRAM. Continue reading...
22 Apr
A practical guide to Linux signals: how to use kill, pkill, and trap correctly to manage processes, reload configs, and write scripts that clean up gracefully instead of dying mid-operation. Continue reading...
21 Apr
A practical guide to Linux disk partitioning with fdisk, parted, and lsblk. Covers creating partition tables, formatting filesystems, mounting, and setting up persistent mounts via /etc/fstab. Continue reading...
20 Apr
Bash aliases turn long, repetitive commands into short custom shortcuts that load every time you open a terminal. Here's how to set them up, where to store them, and a practical set of aliases built for real sysadmin work. Continue reading...