Tutorials
Tutorials for Linux, hosting, servers, programming, and infrastructure.
Explore technical tutorials from HostMyCode covering Linux administration, hosting workflows, web infrastructure, performance, databases, and practical deployment topics.
Linux tutorials
Hosting knowledge base
Developer guides
Server operations
Featured Tutorial
Start with a featured guide
A strong place to begin if you want a high-signal tutorial from the current library.
ML/AI
How to Install and Configure OpenClaw on Linux Server: Complete Tutorial
Read tutorial
Categories
Browse tutorials by topic
Jump directly into the technical area you want to learn, from Linux and hosting to developer workflows and server operations.
Latest Tutorials
Fresh content from the tutorials library
Recent Linux, hosting, server, and developer tutorials published on HostMyCode.
Security
Server Security Headers Configuration Tutorial (2026): Add HSTS, CSP, and Safe Defaults on Nginx or Apache
Read tutorial
Infrastructure
VPS Troubleshooting Tutorial (2026): Diagnose Slow Website Response on Ubuntu with Nginx/Apache, PHP-FPM, and System Metrics
Read tutorial
Infrastructure
DNS Failover Setup Guide Tutorial (2026): Keep Your Website Online with Low TTL, Health Checks, and Fast Cutovers
Read tutorial
Infrastructure
Nginx Load Balancing Tutorial (2026): Configure Two App Servers Behind One VPS (Health Checks, Sticky Sessions, Zero‑Downtime Reloads)
Read tutorial
Infrastructure
Email Queue Troubleshooting Tutorial (2026): Fix a Stuck Postfix Mail Queue on a Hosting VPS
Read tutorial
Linux Basics
Logwatch Setup Tutorial (2026): Daily Security & Service Reports on an Ubuntu Hosting VPS
Read tutorial
Infrastructure
VPS Disaster Recovery Tutorial (2026): Rebuild a Failed Ubuntu Web Server Fast with IaC-lite, Backups, DNS & SSL
Read tutorial
Infrastructure
VPS Backup Setup Guide Tutorial (2026): Automated Snapshots, Offsite Copies, and Restore Tests on Ubuntu
Read tutorial
cPanel
cPanel Hardening Tutorial (2026): Lock Down WHM, SSH, and Services on a Hosting Server
Read tutorial
Firewall
IPTables Firewall Tutorial (2026): Build a Production Web-Hosting Ruleset for a VPS or Dedicated Server
Read tutorial
Infrastructure
HTTP/2 and HTTP/3 setup guide tutorial (2026): Enable QUIC on Nginx for a faster VPS website
Read tutorial
Linux Basics
SSH Lockdown Tutorial (2026): Secure SSH Access on a Hosting VPS with Allowlists, Keys, 2FA, and Audit Logs
Read tutorial
Popular Tutorials
Most popular tutorial picks
Frequently read content from the featured technical library.
Security
How to Harden Your Linux VPS for Production in 2026: Complete Security Guide
Linux Basics
PM2 App Not Starting? Fix & Debug Guide
Programming
Run Spring Boot Application on Linux Server
Development
Configure Supervisor for Python Applications on Linux
Programming