rkhunter (Rootkit Hunter) is an easy-to-use tool for Unix which checks systems for the presence of rootkits and other unwanted tools.

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Rkhunter reports file properties have changed

I am running a fully updated LTS copy of Ubuntu server. Today I ran rkhunter (as I do from time to time). This is the output I got: Warning: The file properties have changed: [15:52:25] ...
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Correct procedure for RKHunter file changes

I run RKHunter on Ubuntu as well as as automated system / package updates. Last night I started receiving RKHunter warnings as listed below and whilst it's obviously easy for me to just do: rkhunter ...
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rkhunter reports change in file properties, but I don't see that they've been updated by yum

Maybe I'm being overcautious, but I recently received the following warnings from rkhunter: Warning: The file properties have changed: File: /bin/dmesg Current hash: ...