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| Virtualmin Pro Practical tips for Virtualmin Pro

Staraddons · 2026-02-26T16:02:42+00:00

If you are a beginner with Virtualmin / Virtualmin Pro, I will give you some good tips that you should use. Virtualmin Pro is an add-on to Virtualmin that expands your possibilities of using Virtualmin, it only costs $7.50 / month. Feel free to start with a domain name that you are not going to use, as a test domain, make your settings just for that domain name and try out what is right for you. It can be difficult at first to understand everything there is, google what you do not understand, there are lots of answers. 🚀 1. Keep Virtualmin & System Packages Updated Always update Virtualmin, Webmin, and system packages regularly. Use yum update, apt update && apt upgrade, or Virtualmin's built-in updater. This keeps security tight and fixes bugs. 🛡️ 2. Harden Your Server Security Enable a firewall: Use UFW, firewalld, or Virtualmin's firewall module. Fail2Ban: Activate and configure it to protect SSH, FTP, and web services. Change default ports (especially SSH) to reduce automated attacks. Disable unused modules to reduce attack surface. 🌐 3. Use SSL Everywhere Enable Let's Encrypt certificates. Use Let's Encrypt for free SSL on every domain — Virtualmin makes this one-click easy under Edit Virtual Server → SSL Certificate. Set certificates to auto-renew. Force HTTPS globally via Virtualmin > Server Configuration > SSL Settings. ⚙️ 4. Optimize Performance Nginx as reverse proxy: If using Apache, front it with Nginx for speed. Tune PHP settings (memory_limit, opcache) per domain. Use caching (Varnish, Redis) for high-traffic sites. Monitor logs (Webmin > System Logs) for performance issues. Set resource limits (CPU, memory, processes, etc.) per virtual server to prevent one site from impacting others — go to Edit Virtual Server → Quotas and Limits. Use Nginx + Apache (proxy mode) for better static file serving and concurrency — Virtualmin supports this natively. For WordPress/high-traffic sites: install caching plugins (e.g., W3 Total Cache with Redis/Memcached), optimize MariaDB/MySQL, and monitor resource usage. Enable PHP opcache and tune PHP-FPM pool settings per domain if needed. Monitor disk quotas and bandwidth via Pro's enhanced tools to catch issues early. 📁 5. Organize Accounts & Limits Create feature templates to standardize quotas and features for users. Set sensible disk and bandwidth limits per domain. Use Reseller roles if hosting clients. 🔄 6. Backup Smartly Use Virtualmin's backup module. Schedule automated backups daily (or more frequently for critical sites) via Backup and Restore → Scheduled Backups. Include databases, mail, home directories, and logs — exclude large unnecessary files if bandwidth is limited. Use incremental backups when possible and test restores regularly. Store backups off-server (SFTP, AWS S3, Dropbox). Test restores periodically — backups are worthless if they don't restore! 📊 7. Monitor Everything Enable and configure System and Server Status in Virtualmin. Use tools like Netdata, Munin, or external monitoring (UptimeRobot). Watch CPU, memory, disk I/O, and network traffic. 🧠 8. Fine-Tune DNS Run a local DNS cache (e.g., unbound) to improve resolution speed. Set SPF, DKIM, DMARC for outgoing mail — improves deliverability. Use external DNS providers (Cloudflare, AWS Route 53) if needed for failover. 📨 9. Improve Email Management Enable Mailman for mailing lists. Use SpamAssassin & ClamAV for spam and virus filtering. Monitor mail logs and tune filters — don't just accept defaults. 📦 10. Use Virtualmin CLI for Automation Virtualmin has powerful command-line tools (e.g., virtualmin create-domain, virtualmin restore-domain). Great for scripting bulk tasks or automation with cron. 🔌 11. Disable Unused Services Turn off services you don't need (FTP, DNS on non-DNS servers, etc.). Reduces memory usage and attack vectors. 💼 12. Understand Virtual Server Inheritance Settings under System Settings > Module Config can override domain defaults. If something isn't behaving as expected, check template and feature inheritance. 📘 13. Use Virtualmin Documentation & Community Virtualmin docs are detailed and reliable. Community forums can help troubleshoot unusual issues. 🧩 14. Test Changes in a Staging Environment Before applying major config changes (PHP versions, proxy setups, etc.) on production — test them in a clone or VM first. 🧰 15. Keep Logs Clean and Rotated Configure log rotation to avoid full disks. Clean old logs but keep enough for debugging.

Thread starter Staraddons
Start date Feb 26, 2026
Replies : 0
Views : 45
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Staraddons

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Feb 26, 2026

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| Virtualmin Pro Practical tips for Virtualmin Pro