Linux perf Command: CPU Profiling and Performance Analysis
If your server feels slow but top and htop show nothing obvious, you need to go deeper. The perf command is the Linux performance analysis tool that most sysadmins never touch, and that’s…
-
-
How to prepare for agentic commerce in 9 steps
Oct 06, 2026 / By Bruno S. / 10 min Read Summarize with: To prepare for agentic commerce – the shift where AI agents discover, compare, and choose products on a shopper’s behalf,…
-
Linux Bash Scripting: Writing Your First Script
You’ve been using the command line for a while. You know your grep, your awk, your find. But you’re still copy-pasting the same five commands every time you need to do routine work….
-
11 best AI tools for freelancers to work smarter in 2026
Sep 15, 2026 / By Justina B. / 14 min Read Summarize with: The best AI tool for a freelancer depends on the work you need to offload: ChatGPT is a strong general-purpose…
-
Linux server performance: Is disk I/O slowing your application?
If your Linux server is bogged down by disk I/O, your first step may often be to use the top command in the terminal to check load averages. However, there are times when…
-
Master Linux Bash History with historyctl, HISTFILE, and Shortcuts
DistroWatch ran a poll last month asking readers what the default shell is on their main distro. Bash took 412 votes. zsh got 30, fish 33. The winning answer, with 1,257 votes and…
-
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….
-
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…
-
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…
-
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…
-
A Collection of Useful WordPress Must-Use (MU) Plugins
If you’ve been building WordPress sites for a while you probably have a folder of code snippets you copy into every new project. I know I do. Mine has been growing for years….
-
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…
-
Linux ssh-keygen: Set Up SSH Key Authentication the Right Way
Password-based SSH login is convenient. It’s also one of the fastest ways to get a server compromised. Stand up a VPS with a public IP and password auth left on, then tail the…
-
netcat (nc) Command in Linux, with Examples
The nc command, short for netcat, is one of those tools that looks simple at first and keeps surprising you the longer you use it. It reads and writes data across network connections…
-
ln Command in Linux: Hard Links vs. Symlinks
The ln command in Linux is one of those tools that looks simple on the surface but trips people up constantly. Hard link or symbolic link? What’s the difference? When does it actually…
-
AI content optimization: What it is and how to use it
Jul 08, 2026 / 9 min Read Summarize with: AI content optimization means using AI to improve your existing content’s ranking on Google and to be picked up by answer engines like ChatGPT,…
-
Linux Server Health Checks: 10 Metrics Every Sysadmin Should Monitor
Servers give you warnings before they fail. Most sysadmins performing Linux server monitoring miss them because they’re watching the wrong numbers. The metrics that actually matter are one level deeper: iowait instead of…
-
My AI Predictions, Two Years Later: The Ones That Landed
In 2023 I published 50 mind-blowing ways AI will reshape our world in 2024. This started as a personal exercise. I wanted to pin down what AI was truly capable of, so I…
