I was able to resolve the failure by cleaning up the left over dpkg- remove and restoring the original names of the dpkg-backup files.
From this: -rw-r--r-- 1 bind root 2928 Aug 21 2025 bind.keys -rw-r--r-- 1 bind root 255 Jan 25 2024 db.0.dpkg-remove -rw-r--r-- 1 bind root 271 Oct 10 2018 db.127.dpkg-remove -rw-r--r-- 1 bind root 237 Oct 10 2018 db.255.dpkg-remove -rw-r--r-- 1 bind root 353 Oct 10 2018 db.empty.dpkg-remove -rw-r--r-- 1 bind root 290 Apr 18 2024 db.local.dpkg-backup -rw-r--r-- 1 bind root 3315 Jan 30 2020 db.root -rw-r--r-- 1 bind root 273 May 6 2024 mozilla.rpz.db -rw-r--r-- 1 bind bind 1099 Aug 31 17:18 named.conf -rw-r--r-- 1 bind bind 164 Oct 16 2020 named.conf.default-zones.dpkg-backup -rw-r--r-- 1 bind bind 6908 Jun 4 2024 named.conf.local -rw-r--r-- 1 bind bind 1203 Aug 31 17:17 named.conf.options -rw-r--r-- 1 root root 116 Jul 10 16:52 named.conf.root-hints -rw-r--r-- 1 root bind 26497 Aug 24 2023 old.named.conf.local -rw------- 1 root root 479 Sep 18 2019 rndc.conf -rw-r--r-- 1 bind bind 76 Sep 18 2019 rndc.key -rw-r--r-- 1 bind root 1317 Oct 10 2018 zones.rfc1918.dpkg-remove To this: -rw-r--r-- 1 bind root 2928 Aug 21 2025 bind.keys -rw-r--r-- 1 bind root 290 Apr 18 2024 db.local -rw-r--r-- 1 bind root 3315 Jan 30 2020 db.root -rw-r--r-- 1 bind root 273 May 6 2024 mozilla.rpz.db -rw-r--r-- 1 bind bind 1099 Aug 31 17:18 named.conf -rw-r--r-- 1 bind bind 164 Oct 16 2020 named.conf.default-zones -rw-r--r-- 1 bind bind 6908 Jun 4 2024 named.conf.local -rw-r--r-- 1 bind bind 1203 Aug 31 17:17 named.conf.options -rw-r--r-- 1 root root 116 Jul 10 16:52 named.conf.root-hints -rw-r--r-- 1 root bind 26497 Aug 24 2023 old.named.conf.local -rw------- 1 root root 479 Sep 18 2019 rndc.conf -rw-r--r-- 1 bind bind 76 Sep 18 2019 rndc.key -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2167909 Title: package bind9 1:9.20.24-1ubuntu0.3 failed to install/upgrade: old bind9 package postinst maintainer script subprocess failed with exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bind9/+bug/2167909/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
