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…
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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…
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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…
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watch Command in Linux: Real-Time Monitoring with Examples
The watch command is one of those tools you use once and immediately wonder how you lived without it. It runs any command repeatedly at a set interval and displays the output full-screen,…
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8 best Node.js hosting: Top platforms for performance and scalability
Jun 19, 2026 / 12 min Read Summarize with: Node.js apps need more than basic web hosting. Static sites and PHP-based platforms like WordPress can sit idle between requests. Node.js applications run differently:…
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nmap on Linux: Guide to Network Scanning and Discovery
nmap is one of those tools every sysadmin eventually needs. For auditing servers, mapping out a home lab, or troubleshooting a connectivity issue, knowing how to use nmap properly saves a lot of…
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Linux Log Files: Guide to Reading, Searching, and Managing Logs
If something breaks on a Linux system, logs are almost always the first place to look. Yet many users treat log files as a last resort, digging through them only when things go…
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After 20 Years of Linux Desktop, I Learned Cadence Matching
After twenty years on the Linux desktop, more than a dozen distros, multiple desktop environments, a seven-year tiling window manager phase, and one detour through whatever I thought of as the stable answer…
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Bash Aliases: Speed Up Your Linux Workflow (Updated with Zsh)
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….
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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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What is a payment gateway and how does it work?
Sep 18, 2025 Jordana A. Summarize with: Starting an online store requires a platform that supports eCommerce features, allowing you to design the sales process and manage transactions. Integrating your website with a…
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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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sed Command in Linux: with Real Examples
If you’ve spent any time on the Linux command line, you’ve probably seen the sed command used in a one-liner and thought “I should learn that properly.” Most people pick it up piecemeal,…
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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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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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Why Your Linux Server “Looks Idle” but “Feels” Slow
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…
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What is Linux iowait? (Explained With Examples)
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…
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How to host a web application: A step-by-step guide to launch your web app
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…
