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Home server crashing randomly (lemmy.world)

submitted 1 year ago* (last edited 1 year ago) by WhyAUsername_1@lemmy.world to c/selfhosted@lemmy.world

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Hi everyone, I host a server with few services running for my family and friends. The server freezes sometimes. Where the services stop responding. If I try to ssh into the server, it takes a lot of time (3 to 5 mins) for it to connect. After being connected, every letter I type takes 2 to 3 mins to appear on screen.

Seems like the server is overloaded with tasks. But I am not sure what load it is running. I have netdata installed. I could pull up following screenshots for insights.

Can someone please help me in troubleshooting the issue?

I have tried testing stress testing my RAM and CPU, and they were fine. But I would start troubleshooting from scratch if you have recommendations for testings softwares.

Please also let me know if there is anything I can pull from netdata to help in trouble shooting.

System Specification:

System RAM

Disk I/O

Total CPU Utilization

Idle Jitter

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[–] WhyAUsername_1@lemmy.world 1 points 1 year ago (1 children)

Okay. Thanks for the insight. Planning to do this:

You need to monitor which process is using all the memory. The easiest way is probably to keep htop running in a screen or tmux session, periodically connect, and look at which processes have the highest used memory.

Will report back with findings when it crashes again. Thanks for all the help.

[–] EinfachUnersetzlich@lemm.ee 1 points 1 year ago

It'll probably be obvious before it crashes, you can see in the graphs that the "used" memory is increasing steadily after a reboot. Take a look now and see which process is causing that.