On Fri, 1 Aug 2025 at 19:57, Michael Biebl <[email protected]> wrote: > Am 01.08.25 um 19:01 schrieb Richard Lewis:
> > if [ "/proc/kmesg" is readable (?) ] ; then echo "rules matching > > the error" > /etc/logcheck/ignore.d.server/foo fi # rest of test as > > before > That said, I don't know, how access to /proc/kmsg is restricted inside > debusine and how we can devise a robust check for that. > > The error message indicates, that the file exists but is not even > accessible to root. I dont know how debusine works either, but looking at proc_kmesg(5) and dmesg(1), i would try dmesg --since '1s ago' 2>/dev/null this exits with 0 'normally' (even if there is no output to show), and 1 inside an 'unshare -r' (even if run by root)
