How to optimize speed and reliability of your VPS hosting with advanced tuning and backup practices.

1) MySQL/MariaDB Optimization

  • Use MariaDB 10.6 or higher (stable, supported by cPanel).
  • Tune /etc/my.cnf based on RAM. Example (for 4 GB RAM): 
    [mysqld]
innodb_buffer_pool_size=1G
query_cache_size=64M
max_connections=200
tmp_table_size=64M
max_heap_table_size=64M
  • Restart MySQL after changes: systemctl restart mysql

2) PHP Optimization

  • Enable OPcache in EasyApache → PHP Extensions.
  • Set opcache.memory_consumption=256, opcache.max_accelerated_files=20000.
  • Use PHP-FPM with per-domain pools for better performance.

3) Web Server Enhancements

  • Enable HTTP/2 (default in cPanel’s Apache build).
  • Install Brotli compression via WHM → EasyApache → Apache Modules.
  • Optionally replace Apache with LiteSpeed (commercial) or OpenLiteSpeed plugin.

4) Backup Strategy

  • Enable WHM → Backup Configuration.
  • Keep daily, weekly, and monthly backups with rotation.
  • Store backups off-server (Amazon S3, rsync to another VPS, remote FTP).
  • For large sites, enable incremental backups to save space.
© LumaDock Knowledge Base – Performance Guide
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