this post was submitted on 05 Jan 2024
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Anyone know how to see what pid/process has modified a linux routing table (specifically on Ubuntu )? I have an interesting problem where a route that I have created has been deleted over time, but can't figure out what. I've tried rtmon but seems to only show timestamps of the adds/deletes

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[–] mikey 6 points 11 months ago* (last edited 11 months ago) (2 children)

Well, the routes might manifest somewhere as files, but I don't expect anyone to be able to viably parse them without commands like ip or ifconfig (or know where the files even are).

Some devices (like disks for example) are very straightforward to use as files, while some other special files (like USB devices) are so weird/ugly to use that everyone uses tools/libraries to access them (like libusb).

This is very off-topic, but there's a great talk by Benno Rice that talks about this (among many others): https://youtu.be/9-IWMbJXoLM

[–] [email protected] 3 points 11 months ago

Thank you for the info and I'll listen to that talk

[–] [email protected] 2 points 11 months ago (1 children)

Here is an alternative Piped link(s):

https://piped.video/9-IWMbJXoLM

Piped is a privacy-respecting open-source alternative frontend to YouTube.

I'm open-source; check me out at GitHub.

[–] [email protected] -3 points 11 months ago