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this post was submitted on 03 Mar 2024
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Did the services fail to come back due to the bad reboot, or would they have failed to come back on a clean reboot? I ugly reboot my stuff all the time, and unless the hardware fails, i can be pretty sure its all going to come back. Getting your stuff to survive reboot is probably a better spend of effort.
I didn't mean to imply that Services actually broke. Only that they didn't come back after a reboot. A clean reboot may have caused some of the same issues because, I'm learning as I go. Some services are restarted by systemctl, some by cron, some....manual. This is certainly a wake up call that I need standardize and simplify the way the services are started.
We've all.committed that sin before. Its better to rely on it surviving the reboot than to try prevent the reboot.
Also worth looking into some form of uptime monitoring software. When something goes down, you want to know about it asap.
And documenting your setup never hurts :D
On the uptime monitoring I've been quite happy with uptime kuma, but... If you put it on the same host that's down... Well, that's not going to work :p (I nearly made that mistake)
It's not the most detailed thing, but I just use a free account on cron-job.org to send a head request every two minutes to a few services that are reachable from the internet (either just their homepage or some ping endpoint in the API) and then used the status page functionality to have a simple second status page on a third party server.
You can do a bit more on their paid tier, but so far I didn't need that.
On the other hand, you could try if a free tier/cheap small vps on one of the many cloud providers is sufficient for an uptime Kuma installation. Just don't use the same cloud provider as all other of your services run in.
Oh, I'm fine with my setup, I have a couple of external servers that can monitor all my web accessible stuff with kuma and then I've got another local one to monitor my non-web accessible stuff.
Thanks for those tips though, definitely useful to consider other options
Same, Uptime Kuma is fantastic. I put it on my most critical server, if Kuma is down, everything is down :D
I reboot every box monthly to flush out such issues. It's not perfect, since it won't catch things like circular dependencies or clusters failing to start if every member is down, but it gets lots of stuff.
Yeah an unclean reboot shouldn’t break anything as long as it wasn’t doing anything when it went down. I’ve never had any issues when I have to crash a computer unless it was stuck doing an update.