The sort of program that once set up, just ticks along without fuss or bother forever.
For me, as I’m replacing the vms today which I set up five years ago and haven’t needed to touch since;
- HAProxy
- KeepaliveD
Not easy to learn, but once they’re running, they both go on forever.
Debian, uptime right now on my server is 59 days and that’s just because that was when we had a power outage longer than the UPS could keep up with
What UPS do you have?