Month: October 2026
How to Check Listening Ports and Processes in Linux
Use ss and lsof to find Linux port owners, read TCP and UDP socket states, and distinguish local listeners from remote access and Docker port mappings.
How to Diagnose Linux Network Problems with Ping, Traceroute, DNS, and Curl
Diagnose Linux connection problems with ping, traceroute, DNS checks, and curl. Learn what to test when results disagree and how to verify the original failure.
Debian vs Ubuntu Server for Hosting
Compare Debian 13 and Ubuntu 26.04 LTS for a VPS. Check Docker, Plesk, cPanel, support coverage, software versions, and operating requirements before choosing.
Ubuntu 24.04 vs 26.04 LTS for Servers: Which Should You Use?
Choosing Ubuntu 24.04 or 26.04 for a server? Compare support dates, compatibility blockers, and checks that decide whether a production upgrade is justified.
Configure Nginx and PHP-FPM Safely
Connect Nginx to the right PHP-FPM listener, map script paths, test PHP output and a missing file, and trace 502, permission, and path errors.
Nginx, Apache, and PHP-FPM: How Web Stacks Fit Together
Understand Nginx, Apache, and PHP-FPM request paths, compare three layouts, check WordPress rewrite risks, and locate the right PHP troubleshooting step.
MySQL and MariaDB Administration: What to Check and Do
Identify your MySQL or MariaDB server and account, choose the right admin task, and check permissions, backup compatibility, and safe restores.
Docker and Containers on Linux: How They Work and What to Do Next
Understand Docker's host and container roles, choose a first test or Compose, and check ports, privileges, and persistent data before running services on Linux.
Linux Server Security: What to Check, Protect, and Verify
Secure a Linux web server by checking SSH access, exposed ports, HTTPS renewal, updates, and recovery. Learn which controls to verify and when to escalate.
Linux Server Operations: Logs, Cron, Monitoring, and Backups
Find the first useful check for failed Linux services, missed cron jobs, resource pressure, and backups. Follow the right guide and verify the result.