Blog
VPS know-how & server operations
Tutorials, optimization and server operations for developers and sysadmins. Practical, concise, and well-sourced.
Optimization
Tuning Linux and NVMe Storage for High-IO Workloads on a VPS
A measurement-driven guide to tuning NVMe storage on a VPS with fio, iostat, I/O schedulers, mount options, and dirty-page sysctls.
Optimization
Real-time VPS monitoring with Netdata (and when to add Prometheus)
Install Netdata in one line for per-second VPS metrics, secure the dashboard behind a reverse proxy, and know when to add Prometheus.
Optimization
Making WordPress Fast with LiteSpeed and LSCache on a VPS
Install OpenLiteSpeed, wire up LSCache page cache and Redis object cache, and measure the real TTFB win on WordPress.