My error logs appear to be taking up several GBs of space on my Macbook Pro running Mac OS X Snow Leopard, but I can't seem to find a way to clear the log files to free up this space.
The logs are generally turned over by some periodic scripts. Before blasting them, I would want to know if the logs are massive because the periodic scripts never run or is there something wrong that is totally spamming your logs and making them huge. Do the logs have massive amounts of some repeating entry?
The periodic scripts run in the middle of the night. If you always turn the Mac off at night, they might not ever get the chance. You may force the periodic scripts to run in the terminal by entering the following command:
sudo periodic daily weekly monthly
You will be prompted to enter your admin password.
Of course the brute force method would be to cd into /var/log via the terminal and root them out that way.
onyx is a free multifunction utility for mac os x that removes logs. .
(since I can't comment) you might want to check
/Users/<username>/Library/Caches folder, this folder can end up taking up a lot of space. But technically these are not logs.