A VPS with no monitoring installed only tells you about a problem after it has already become one — the process that has been leaking memory for six hours, the disk that filled up overnight, the CPU spike from a runaway cron job three days ago. Netdata closes that gap by collecting and charting server metrics every …

A small VPS — 1 or 2 GB of RAM, a couple of vCPUs — ships with kernel defaults tuned for a generic desktop or a large server, neither of which describes your box. A handful of sysctl and limit adjustments can make that same hardware noticeably more responsive under load: less needless swapping, more simultaneous …