I've been using Debian Trixie with Pi-hole 6 beta
pihole -up error-ed out
$sudo pihole -up
[✓] Update local cache of available packages
Error: Unable to find Pi-hole dependency meta package.
$sudo pihole -r
[✓] Root user check
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[i] SELinux not detected
[✓] Update local cache of available packages
[✓] Checking apt-get for upgraded packages... up to date!
dpkg-deb: building package 'pihole-meta' in 'pihole-meta.deb'.
Building target platforms: noarch
Building for target noarch
Executing(%mkbuilddir): /bin/sh -e /var/tmp/rpm-tmp.umMCyi
+ umask 022
+ cd /tmp/pihole-meta_AAqhR/BUILD/pihole-meta-0.1-build
+ test -d /tmp/pihole-meta_AAqhR/BUILD/pihole-meta-0.1-build
+ /usr/bin/chmod -Rf a+rX,u+w,g-w,o-w /tmp/pihole-meta_AAqhR/BUILD/pihole-meta-0.1-build
+ /usr/bin/rm -rf /tmp/pihole-meta_AAqhR/BUILD/pihole-meta-0.1-build
+ /usr/bin/mkdir -p /tmp/pihole-meta_AAqhR/BUILD/pihole-meta-0.1-build
+ /usr/bin/mkdir -p /tmp/pihole-meta_AAqhR/BUILD/pihole-meta-0.1-build/SPECPARTS
+ RPM_EC=0
+ jobs -p
+ exit 0
Executing(%prep): /bin/sh -e /var/tmp/rpm-tmp.Gtq995
+ umask 022
+ cd /tmp/pihole-meta_AAqhR/BUILD/pihole-meta-0.1-build
+ RPM_EC=0
+ jobs -p
+ exit 0
Executing(%build): /bin/sh -e /var/tmp/rpm-tmp.ChIAMO
+ umask 022
+ cd /tmp/pihole-meta_AAqhR/BUILD/pihole-meta-0.1-build
+ RPM_EC=0
+ jobs -p
+ exit 0
Executing(%install): /bin/sh -e /var/tmp/rpm-tmp.H7ONpu
+ umask 022
+ cd /tmp/pihole-meta_AAqhR/BUILD/pihole-meta-0.1-build
+ /usr/bin/rm -rf /tmp/pihole-meta_AAqhR/BUILD/pihole-meta-0.1-build/BUILDROOT
+ /usr/bin/mkdir -p /tmp/pihole-meta_AAqhR/BUILD/pihole-meta-0.1-build
+ /usr/bin/mkdir /tmp/pihole-meta_AAqhR/BUILD/pihole-meta-0.1-build/BUILDROOT
+ /usr/lib/rpm/brp-compress /usr
+ /usr/lib/rpm/brp-elfperms
+ /usr/lib/rpm/brp-strip /usr/bin/strip
+ /usr/lib/rpm/brp-strip-static-archive /usr/bin/strip
+ /usr/lib/rpm/brp-strip-comment-note /usr/bin/strip /usr/bin/objdump
+ /usr/lib/rpm/brp-remove-la-files
Processing files: pihole-meta-0.1-1.noarch
Checking for unpackaged file(s): /usr/lib/rpm/check-files /tmp/pihole-meta_AAqhR/BUILD/pihole-meta-0.1-build/BUILDROOT
Wrote: /tmp/pihole-meta_AAqhR/RPMS/noarch/pihole-meta-0.1-1.noarch.rpm
Executing(rmbuild): /bin/sh -e /var/tmp/rpm-tmp.K1s2hI
+ umask 022
+ cd /tmp/pihole-meta_AAqhR/BUILD/pihole-meta-0.1-build
+ test -d /tmp/pihole-meta_AAqhR/BUILD/pihole-meta-0.1-build
+ /usr/bin/chmod -Rf a+rX,u+w,g-w,o-w /tmp/pihole-meta_AAqhR/BUILD/pihole-meta-0.1-build
+ rm -rf /tmp/pihole-meta_AAqhR/BUILD/pihole-meta-0.1-build
+ RPM_EC=0
+ jobs -p
+ exit 0
[i] Installing required dependencies ...
E: Unsupported file /tmp/pihole-meta.rpm given on commandline
Your debug token is: https://tricorder.pi-hole.net/Sk6O8gef/