[CentOS] logging in

Tue Jan 30 22:29:07 UTC 2018
Valeri Galtsev <galtsev at kicp.uchicago.edu>

On 01/30/18 16:21, m.roth at 5-cent.us wrote:
> Interesting. lastlog was always my go-to. However, at least in C6, last
> gets it, while lastlog does not.
> How odd.

Did you check /var/log/secure ?


command not mentioning logged i9n users will raise very big red flag for 
me. I also would check for something benign, like full filesystem. And 
hard drive errors. But the very first thing I would do: check the 
integrity of your box - whichever host integrity tool you use...

Good luck.


>       mark
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Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247