I don't know anything about Raspbian Stretch, so can't really comment nor 
understand why it needs to update itself every night. I can see by the warnings 
that those files are not actually changing in content or there would be a hash 
change (only modification date and location on the disk are different). I'd 
have to guess that there are other files that aren't part of property checks 
that actually change which require nightly updates?

In any case, you can either run --propupd after each system update or just 
ignore those warnings about modification time and stored inode.

-Al-

> On Feb 20, 2019, at 00:29, Marco Strullato <marco.strull...@gmail.com> wrote:
> 
> Hi all,
> 
> How do you manage the system updates with rkhunter?
> My system is updating itself every night: if updates are about core 
> components, rkhunter is highlighting the differences with warnings.
> 
> Do I have to run everyday the --propupd?
> 
> Regards
> 
> 
> Warning: The file properties have changed:
>          File: /sbin/init
>          Current inode: 528322    Stored inode: 543976
>          Current file modification time: 1550391778 (17-Feb-2019 09:22:58)
>          Stored file modification time : 1547546383 (15-Jan-2019 10:59:43)
> Warning: The file properties have changed:
>          File: /sbin/runlevel
>          Current inode: 542777    Stored inode: 543989
>          Current file modification time: 1550391778 (17-Feb-2019 09:22:59)
>          Stored file modification time : 1547546383 (15-Jan-2019 10:59:43)
> Warning: The file properties have changed:
>          File: /bin/systemd
>          Current inode: 274320    Stored inode: 264733
>          Current file modification time: 1550391778 (17-Feb-2019 09:22:58)
>          Stored file modification time : 1547546383 (15-Jan-2019 10:59:43)
> Warning: The file properties have changed:
>          File: /bin/systemctl
>          Current inode: 262251    Stored inode: 263327
>          Current file modification time: 1550391778 (17-Feb-2019 09:22:58)
>          Stored file modification time : 1547546383 (15-Jan-2019 10:59:43)
> Warning: The file properties have changed:
>          File: /lib/systemd/systemd
>          Current inode: 271364    Stored inode: 264334
>          Current file modification time: 1550391778 (17-Feb-2019 09:22:58)
>          Stored file modification time : 1547546383 (15-Jan-2019 10:59:43)
> Warning: The following processes are using deleted files:
>          Process: /lib/systemd/systemd-logind    PID: 463    File: 
> /lib/systemd/systemd-logind
>          Process: /usr/bin/influxd    PID: 586    File: /usr/bin/influxd
>          Process: /lib/systemd/systemd-journald    PID: 1596    File: 
> /lib/systemd/systemd-journald
>          Process: /usr/sbin/cron    PID: 6324    File: /tmp/tmpfb2jk1P
>          Process: /bin/dash    PID: 6333    File: /tmp/tmpfb2jk1P
>          Process: /bin/run-parts    PID: 6335    File: /tmp/tmpfb2jk1P
> Warning: File '/tmp/tmp.I5F2fmVFF6' (score: 220) contains some suspicious 
> content and should be checked.
> Warning: Checking for files with suspicious contents [ Warning ]


-Al-
-- 
Al Varnell
Mountain View, CA




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