Monitrust - a minimal self-hosted server monitoring tool (github.com)

submitted 3 months ago by Miaou@jlai.lu to c/rust@programming.dev

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Hi friends, Not sure whether this little tool could be of use to anyone here, but I thought it might be interesting to share.

I was running into problems on my VPS due to high-memory usage, which led to my email server going down with all the consequences that come with it. I tried using Grafana Agent to monitor the server's state, but with 2GB memory, the tool's footprint was creating more problems than anything else, so I reinvented my own, square, low-memory footprint, wheels.

Cheers everyone.

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[-] azdle@news.idlestate.org 8 points 3 months ago* (last edited 3 months ago)

Hey, this might be something I'm interested in, but I'm not sure because there aren't many details in your readme.

Some questions I'd suggest you answer in the readme:

[Edit: after looking through the code quickly, some of my questions probably don't male sense because this seems to be an alerting style monitoring tool, not a observability style monitoring tool. Answering my own questions for others that are curious:]

What does it monitor?

[Disk space and CPU use]

What is the interface? Web? It does compare itself to grafana, so maybe. TUI? Maybe that's what makes it more light weight?

[It doesn't have one, it sends telegram messages when alarm thresholds(?) are hit.]

Does it only work on Debian? If not, are there deps that are required that are installed as dependencies of the deb?

[Looks like it should work anywhere, the 'watchers' use the nix crate and read procfs, so I assume that means it should work anywhere without depending on anything besides the Linux kernel.]

Is there history or is it real time only?

[Realtime only, well I guess there's the telegram history.]

What does it look like? (Honestly, a screenshot could possibly answer most of these questions and a whole lot more.)

[It doesn't look like anything. There's no screenshot because there's nothing to screenshot.]

[-] Miaou@jlai.lu 2 points 3 months ago

Hey, thanks a lot for the feedback, I did rush the documentation bit...

I wanted the configuration to serve as documentation to explain some of the points above, but that's not clear given the readme.

[-] BB_C@programming.dev 4 points 3 months ago

opt-level = 'z' # Optimize for size.

🙄 😠

[-] Miaou@jlai.lu 1 points 3 months ago

Ahah yes I remember your answer to one other post few days ago. Tbf disk usage was a problem for me so I had my reasons to throw that in there. That plus this process sleeps 99% of the time