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,…
Update 2026: This article has been updated to fix broken links and verify long-term reliability. After 4 years, every device recommended below is still working in my lab, including multiple SD cards that…
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…
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…
Every VPS provider loves to advertise NVMe storage. It sounds fast on paper and is usually a noticeable upgrade over older disk (HDD) and traditional SSD storage. The problem is that those IOPS…
Servers aren’t what they used to be. If you’ve spun up a small VPS (Virtual Private Server) recently and felt underwhelmed by its snappiness, you’re not alone. A basic 1-core CPU with 1…
Servers can sometimes appear idle yet still perform sluggishly. This scenario is common across web hosting servers, database servers, VPS or cloud instances, or even containerized workloads. In all mainstream Linux distributions, the…
Update: CSF Project Status (January 2026) – Since the original publication of this article, there have been key developments in how ConfigServer Security & Firewall (CSF) is maintained following the shutdown of Way to…
What if your servers crashed during your biggest sales event of the year? For enterprise IT leaders, that’s not a dramatic opening it’s a recurring risk. A few minutes of downtime can stall…
Jan 07, 2026 Larassatti D. 13min Read Summarize with: AI browsers are the latest result of the shift toward agentic AI. They can summarize content, compare products, check out items, fill forms, and…
If you’re running WordPress for your own site or client projects, a managed WordPress hosting solution can save you time and stress. Managed hosting takes care of server maintenance, security updates, and technical…
Jan 09, 2026 Ariffud M. Summarize with: Organic traffic is the stream of visitors who land on your website by clicking unpaid search results on search engines like Google, Bing, or Yahoo. For…
iowait (wait, wa, %iowait, wait%, or I/O wait) is often displayed by command-line Linux system monitoring tools such as top, sar, atop, and others. On its own, it’s one of many performance stats that…
Choosing a switch can feel deceptively simple, until slow file transfers, port shortages, and similar unexpected upgrade costs remind you otherwise. Before you click “Buy,” it helps to step back and look at…
Dec 24, 2025 13min Read Summarize with: Hosting a web application involves making your app’s files, databases, and content accessible on the internet. You can achieve this using a pre-configured, managed hosting solution…
Note: This article serves as an overview and index, connecting you to previous detailed PHP optimization articles. For comprehensive insights on each topic, please follow the provided links to previous articles under the…
