December 1999
Beginner
528 pages
11h 10m
English
Content preview from Linux and Unix Shell Programming
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27.5. logroll
A few of the logs on my system grow quite quickly. Having to manually check the size of these logs for file sizes and then roll over the log (usually with a data stamp) gets tedious. Therefore I decided it was time I set up a script to do this automatically. The script would run from cron, and if any of the logs reached a certain size, the guilty log would be rolled over and a new log file created.
The script can easily be amended to suit other logs. For my system logs, I use another script, which is run once a week and truncates the log files. If I need to go back over any period I just check my backup; as I run a 16-week cycle this is no problem.
A size limit is defined in the variable BLOCK_LIMIT. This figure is the block size, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.