Have a look at kern.log. Some renegade app is probably filling it up. You can either adjust the app to log at a lower level, adjust rsyslog.conf to log kernel messages at a lower level, or append 'loglevel=2' to the linux line in grub. You'd have to edit '/etc/default/grub' and run 'update-grub'.
You should also look at /var/log to see if there are rotated kern.log.2.gz, etc. If logrotate isn't working, the logs will grow forever. You can check the system mail for any errors with logrotate.
Last edited by AwesomeMachine; 06-13-2018 at 10:21 AM.
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