638
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
this post was submitted on 26 Mar 2024
638 points (96.4% liked)
linuxmemes
21280 readers
1399 users here now
Hint: :q!
Sister communities:
Community rules (click to expand)
1. Follow the site-wide rules
- Instance-wide TOS: https://legal.lemmy.world/tos/
- Lemmy code of conduct: https://join-lemmy.org/docs/code_of_conduct.html
2. Be civil
- Understand the difference between a joke and an insult.
- Do not harrass or attack members of the community for any reason.
- Leave remarks of "peasantry" to the PCMR community. If you dislike an OS/service/application, attack the thing you dislike, not the individuals who use it. Some people may not have a choice.
- Bigotry will not be tolerated.
- These rules are somewhat loosened when the subject is a public figure. Still, do not attack their person or incite harrassment.
3. Post Linux-related content
- Including Unix and BSD.
- Non-Linux content is acceptable as long as it makes a reference to Linux. For example, the poorly made mockery of
sudoin Windows. - No porn. Even if you watch it on a Linux machine.
4. No recent reposts
- Everybody uses Arch btw, can't quit Vim, and wants to interject for a moment. You can stop now.
Please report posts and comments that break these rules!
Important: never execute code or follow advice that you don't understand or can't verify, especially here. The word of the day is credibility. This is a meme community -- even the most helpful comments might just be shitposts that can damage your system. Be aware, be smart, don't fork-bomb your computer.
founded 1 year ago
MODERATORS
This doesn't fit the question exactly but I feel it's in the same spirit, and a kind of interesting solution, I think.
Back in the early days of scryptcoin mining, I had a few gpu mining rigs running Linux. Occasionally they would hard lock and I'd have to power cycle them.
What I ended up doing is getting some usb to serial adapters, wrote a python script that ran on startup and would send a character over serial at a set interval in a loop. That was hooked up, if I recall correctly, to an attiny85 using softwareserial and some ttl to rs232 conversion. It would listen over serial and if it didn't receive anything with a reasonable time frame it'd flip a relay that cut mains power to the pc, then flipped it back. A deadman's switch, of a sort. It worked great!
I remember a story about someone who did something similar with a server that kept hanging. They rigged up a second computer to ping it over the local network and if there was no response for a certain amount of time, the computer would eject its CD-ROM tray which had been lined up neatly with the reset button on the server.
Since it couldn't eject fully, it then retracted, having rebooted the server.
I assume that was a temporary fix... and it was probably a Windows server tbh.
The closest I've done is having a job run every 12 hours checking if a process was over a certain memory usage (memory leak) and restarting it if it was. That was also Windows, but the same thing on Linux wouldn't have been difficult... not that the Linux servers ever had that problem.
if ping() <> 0 then drinktray.exeHoly jank, Batman!
But hey; if it’s stupid and it works, it’s not stupid.