Over the last couple of months I’ve had performance issues with Cloudflare (CF) about 2 times, including today. That’s a sentence I never thought I’d write, because Cloudflare genuinely doesn’t have performance issues…
If you spend any time in Linux forums, you’ve seen DistroWatch’s Page Hit Ranking cited as proof one distro is “more popular” than another. It isn’t. The DistroWatch Page Hit Ranking (PHR) is…
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…
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….
Scheduling recurring tasks is one of those things every Linux user eventually needs to do. For decades, cron was the only real option. It is still everywhere, still works, and still makes sense…
Monitoring dashboards occasionally indicate low CPU utilization (e.g., 22%) and ample free memory, yet applications may exhibit sluggishness and increased response times. This common discrepancy in Linux environments often stems from process states…
The curl command in Linux is one of those tools that looks simple on the surface but has surprising depth once you start using it regularly. Most people know it as “that command…
Mar 31, 2026 15min Read Summarize with: Choosing the best European hosting provider isn’t just about uptime – it’s about where your data is stored and how fast your website loads for visitors…
The strace command in Linux separates the sysadmins who guess from the ones who actually know what’s happening. When a process misbehaves, hangs, eats CPU, or refuses to start, strace shows you exactly…
Setting up a Linux server is one of the best ways to learn Linux and server management hands-on. Linux servers offer unmatched flexibility, performance, and control for hosting services, running applications, supporting production…
Mar 20, 2026 Summarize with: The .in domain name is the country-code top-level domain (ccTLD) for India, part of the global Domain Name System (DNS) that organizes website addresses by country and purpose….
I run a Discourse forum behind Cloudflare, and getting the WAF rules right took more trial and error than I expected. Discourse is a Ruby on Rails application that most people self-host in…
Every write to disk costs something, whether it’s wearing down an SSD, slowing I/O on a busy server, or draining battery on a laptop. One of the biggest offenders is logging. Between systemd-journald,…
SELinux and AppArmor have been around for many years, but are still essential for maintaining a secure Linux environment. This article will cover how to set them up and troubleshoot these mandatory access…
This article is a follow-up to the previous 90 Linux Commands Frequently Used by Linux Sysadmins post. As time allows, I will continue to publish articles on each of these 90 commands, geared toward…
Feb 23, 2026 Summarize with: Web applications are the digital tools you rely on every day to work, communicate, shop, and manage information directly through a browser. From email and online banking to…
I’ve been spending the past month or so working on a hobby project I started last year, a weather and hurricane tracking site built for the Eastern Caribbean. I figured it was worth…
Feb 13, 2026 Summarize with: OpenClaw best practices help you run AI agents safely in production environments by reducing risk, limiting unintended actions, and preventing your server from becoming an attack surface. Because…
