Unless your admins took the extra care to automatically separate your log files by date, then you may have noticed one huge-ass log file in your web page's directory... especially if it isn't compressed.
In my case I had an 11.3GB log file sitting in my home directory, and I really needed to split it up into smaller files.
There's a very easy way to do this with the Linux command line.
How to Split Linux Log Files by Day or Month @ OCModShop
Posted on Tuesday, August 21 2012 @ 11:35 CEST by Thomas De Maesschalck
OCModShop learns you how to split Linux log files by day or month using the grep command, you can read the howto at this page.