Systemd Timers: Alternative to cron on Linux
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…
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Why Linux Servers Slow Down: R, S, D, Z and T Process States Explained
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…
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curl Command in Linux with Examples
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…
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Top 10 best European hosting providers: Key features and pricing
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…
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strace: Trace System Calls and Debug Processes on Linux
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…
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Linux Server Setup – Part 1: A Beginner’s Guide
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…
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What does .in domain mean, and how to register it?
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….
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Cloudflare with Discourse: Setup Guide (WAF & Security Rules)
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…
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Reduce Disk Writes on Debian & Ubuntu (Server & Desktop)
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,…
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Securing Linux with SELinux (or AppArmor)
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…
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Ncdu Command in Linux: Disk Usage Analysis with Examples
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…
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8 types of web applications
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…
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Dewedda.com – A weather side project for where I live
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…
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OpenClaw best practices for safe and reliable usage
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…
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OpenClaw security: A checklist for securing a local AI agent
Feb 06, 2026 Larassatti D. 12min Read Summarize with: Securing OpenClaw matters more than securing a typical chatbot because it’s an AI agent that can take real actions on your behalf. It can…
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VPS IOPS vs. Latency: Why NVMe Benchmarks Lie
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…
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How to set up Moltbot on a private server
Jan 28, 2026 Summarize with: Setting up Moltbot (formerly known as Clawdbot) on a private server involves preparing your VPS (Virtual Private Server) environment, cloning the Moltbot repository, running the Docker setup script,…
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Why Small VPSs Feel Slower Than They Used To
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…
