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Michael_61068's avatar
Michael_61068
Icon for Altocumulus rankAltocumulus
Oct 11, 2017

Large number of entries in WTMP file

Hi, I have been exploring a lack of disk space in the /var/log/filesystem. The biggest offender is the WTMP file. When look into the file using utmpdump I can see the login entries. I can se...
application delivery
log
LTM
TMOS
wtmp
Leonardo_Souza's avatar
Leonardo_Souza
Icon for Cirrocumulus rankCirrocumulus
Oct 11, 2017

As you already know, that files registers the login in the system. It is possible to have entries that are automatically generated by the system, in case of a reboot for example. However, is not normal that you have so many logins that is causing disk space issues.

 

You can use the last command to see those entries as well:

 

https://linux.die.net/man/1/last

 

If you can't figure out why the logins, better open a ticket with F5 support.