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Solaris Common Messages and Troubleshooting Guide

Action

To get around this condition the system must be booted into single user mode. Then clear (do not delete) the files: /var/adm/utmp and /var/adm/utmpx. This can be done by typing: 


#cat /dev/null > /var/adm/utmp
#cat /dev/null > /var/adm/utmpx
These commands zero out the files but keep it with the correct permissions.

In some cases after clearing these files the /var filesystem may still be full. In this case type: 


du -askd /var |sort -nr |more
This will give you a listing of the files from largest to smallest in the /var filesystem. To create space you can zero the files: /var/cron/log, /var/spool/lp/logs, and /var/adm/messages. You can also check /.wastebasket for large files to delete.