I.T. Security and Linux Administration

Nov 17 2011   4:01PM GMT

Quick and Dirty Space Cleaner

Eric Hansen Eric Hansen Profile: Eric Hansen

I’ve been noticing my /var/log getting pretty full over the past week.  I’ve deleted some old logs that were made from logwatch, but wanted a better (read: lazier) solution.  Now, if you don’t care about the contents of the log files, then this is awesome.  However, generally I wouldn’t try this on a production environment unless you know the logs won’t be needed.  Here’s the one-liner I use:

for i in `find . -type f`; do echo '' > $i; done

This is assuming you’re in the “/var/log/” directory (or where ever your logs are stored).  A simple routine to just clear out the contents of every log.  This brought my /var directory from 92% usage to 22% usage (which, as a side note, has an allocated 4.6 GB of space).

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