Linux swap Commands: Create and Manage Swap Files/Partitions
Swap space is one of those topics that over the years, I’ve been able to understand how to get the best of it slowly over time and mostly by getting it wrong first….
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How to Set Up Hibernation on Linux (Swap Done Right)
I recently reinstalled my main desktop from scratch: Debian testing via Kali underneath (read first before judging) and XFCE on top. One of the reasons I keep coming back to XFCE is its…
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Linux Kernel Parameters Tuning for Better Performance
This morning I sat down to update my Kali workstation running XFCE4, and instead of a quick sudo apt update && sudo apt full-upgrade -y I ended up reinstalling from scratch. Took about…
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A Guide to Linux /proc Filesystem
Most Linux users know that /proc exists. Fewer actually use it. But /proc is one of the most useful diagnostic tools on your entire system, and it requires zero extra packages. /proc is…
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Linux nameservers and DNS Resolution
DNS resolution on Linux is one of those things that works silently until it doesn’t. Then suddenly you’re staring at “Temporary failure in resolving” errors and wondering why a perfectly healthy server can’t…
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How to get a custom email domain
Jun 15, 2026 / Justina B. / 5 min Read Summarize with: A custom email domain is a personalized email address that uses your own domain name, like name@yourbusiness.com, instead of a free…
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Linux tmpfs for Speed and Temporary Storage
Some things in Linux are hiding in plain sight. tmpfs is one of them. You use it every day without thinking about it. Every time you use /dev/shm, inspect /run, or work on…
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Linux: Guide to useradd, usermod, and groupadd
User and group management is one of those sysadmin fundamentals you touch constantly without always thinking about it. Creating a service account, locking down a shared server, adding a new team member, adjusting…
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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,…
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Linux Log Files: Guide to Reading, Searching, and Managing Logs
If something breaks on a Linux system, logs are almost always the first place to look. Yet many users treat log files as a last resort, digging through them only when things go…
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After 20 Years of Linux Desktop, I Learned Cadence Matching
After twenty years on the Linux desktop, more than a dozen distros, multiple desktop environments, a seven-year tiling window manager phase, and one detour through whatever I thought of as the stable answer…
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systemd Services: Writing, Managing, and Troubleshooting Unit Files on Linux
If you’ve been using Linux for any length of time, you’ve run systemctl start or systemctl enable without thinking much about what’s happening underneath. systemd is the init system on almost every major…
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Linux Environment Variables: env, export, and /etc/environment
Linux environment variables are one of those things you interact with constantly without always realizing it. Every time you run a command, your shell checks PATH. Every time a script logs something, it…
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Why VRAM Can Ruin Your Linux Desktop Experience on Thin and Light Laptops
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…
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Linux Signals Explained: kill, pkill, and trap
Every Linux process runs until something stops it. That “something” is almost always a signal. Signals are how the kernel and user space communicate with running processes, and understanding them properly will save…
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Bash Aliases: Speed Up Your Linux Workflow (Updated with Zsh)
Every sysadmin has a set of commands they type dozens of times per day. Long ssh strings, grep pipelines, systemctl restarts, directory jumps. You type them, you forget a flag, you retype them….
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Top 15 software prototyping tools: Key features and pricing
Apr 10, 2026 / Simon L. / 14min read Summarize with: Software prototyping is one of the most effective ways to reduce development risk, test usability early, and get stakeholders aligned before committing…
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A New Home for MATE Desktop Users and Some Long Overdue Forum Updates
A few days ago I received an email from Eric Marceau, a longtime member of the ubuntu-mate.community forum, reaching out to ask whether LinuxCommunity.io would be willing to accommodate a group for MATE…
