How to Diagnose High CPU Usage on a Linux Web Server
Troubleshoot high CPU usage on a Linux web server by checking processes, services, logs, traffic patterns, cron jobs and application bottlenecks.
Common Nginx Mistakes That Cause 502 Bad Gateway Errors
Learn the most common Nginx misconfigurations behind 502 Bad Gateway errors, including upstream failures, sockets, permissions and timeouts.
How to Back Up a Linux Server Properly Before Making Risky Changes
A practical guide to backing up a Linux server before major updates, migrations or configuration changes, with rollback and restore planning.
Best Linux Commands Every New VPS Owner Should Know
Learn the most useful Linux commands for managing a VPS, including process checks, networking, disk use, logs, services and package updates.
How to Secure Ubuntu 24.04 Server for Production Use
A practical Ubuntu 24.04 server hardening guide covering SSH, firewall rules, updates, users, logging, Fail2Ban and backup planning.
Docker Security Basics for Small Production Servers
Learn practical Docker security basics for small production servers including updates, image trust, least privilege, secrets and host hardening.
MySQL and MariaDB Tuning Tips for Small VPS Hosting
Practical MySQL and MariaDB tuning tips for low-memory VPS servers handling WordPress, billing systems and small web apps.
Beginner’s Guide to Reverse Proxying Node.js Apps with Nginx
Learn how to reverse proxy Node.js apps with Nginx using safe headers, systemd, TLS, WebSocket handling and production basics.
Debian 13 Initial Server Setup Checklist for Production VPS Deployments
A practical Debian 13 initial server setup guide covering users, SSH, firewall rules, updates, swap, time sync, logging and baseline hardening.