Last night, around midnight, my Synchronet setup (running under Ubuntu) became unresponsive.
Typical log fragment:
Feb 20 07:22:42 synchronet synchronet: term Node 1 !Error 24 (Too many open files) opening: /sbbs/text/answer.msg
Feb 20 07:22:42 synchronet synchronet: term Node 1 !ERROR 24 (Too many open files) in exec.cpp line 662 (js_execfile) compiling "/sbbs/exec/loginDD.js" access=0
It wasn't just linked to loginDD.js - anything involving files would throw this error (including sbbsecho).
A stop / start has resolved the issue.... for now....
What's the best approach to hardening my installation against this?
Sounds like a bug (a file descriptor leak, usually open files, but could be open socket descriptors or other types of file descriptors that were not closed) somewhere. Using a tool such as 'lsof' if/when it happens again should help to identify the culprit.
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