Linux
The best distro for developers isn't the one topping DistroWatch. It's the one that matches what you build and where it deploys. Pick wrong and you'll spend the first week of every project fighting your own environment instead of writing code — and you'
Linux
The "Address Already in Use" Problem You restart a service, get Address already in use, and now something's squatting on port 8080 that you need to find and kill—without rebooting the whole machine. This happens constantly. The fix is straightforward once you know the commands,
Linux
The 2 AM Debugging Mystery: df Says 80% Full, du Says 50% You're debugging a full disk alert. The df command shows red. The du / output looks totally fine. You run both commands three times, thinking you misread something. The numbers don't match. One of them
Linux
If you live in a Linux terminal but your daily driver is a Windows box, Microsoft just handed you something useful — and a few sharp edges. At Build 2026 they shipped Coreutils for Windows, a native port of the common GNU coreutils commands, built on the Rust-based uutils project.
Linux
Every infrastructure team I've worked with has the same dirty secret. There's a directory somewhere — usually on a shared drive, sometimes in a 1Password vault if the team is feeling responsible — that contains the SSH public keys of everyone who's ever needed access to
Linux
You've Done It: Pasted a Password, Hit Enter, Immediately Panicked You paste a curl command with an API key embedded. You hit Enter. The command works. Then you realize: where did that string just land? Bash saved it. To ~/.bash_history. Which is readable by anyone with access
Linux
A Linux process is an instance of a running program. The kernel manages every process that starts on your system, allocating CPU time, memory, and file descriptors. Understanding process management is essential for debugging performance issues, terminating rogue processes, and understanding system behavior. Think of processes as tasks in a
Linux
Alpine's Quiet Experiment Signals Larger Shift Alpine Linux, the Linux distribution that has spent years as the poster child for "you don't need systemd," is now experimenting with systemd compatibility. This isn't a headline-grabbing announcement. It's more of a
Linux
Keeping the Linux kernel patched is one of the most important operational security responsibilities for any infrastructure team. Unpatched kernels expose systems to known vulnerabilities that can lead to: * Remote code execution (RCE) * Privilege escalation * Denial of service (DoS) * Data breaches * Unauthorized access For modern hosting platforms, web servers, Kubernetes
Linux
When a Proxmox VE cluster loses quorum, /etc/pve flips to read-only. You can't start, stop, or migrate VMs. You can't edit configs. The cluster filesystem is a quorum gate, and without majority you don't get to write to it. Most quorum-loss
Linux
What You Need to Know Ubuntu 26.04 LTS ("Resolute Raccoon") dropped April 23, 2026. It's the latest long-term support release—15 years of support total (5 years standard, 10 more with Ubuntu Pro). If you're running 24.04 LTS, you'll
Linux
Putting HTTP Basic Auth in front of WordPress admin trips up most people for two reasons: WordPress's rewrite rules eat any wp-login.php protection placed in the wrong spot, and blocking /wp-admin/ wholesale kills admin-ajax.php — breaking WooCommerce, Elementor, heartbeat API, and most plugin AJAX.