How can I determine what the "1 not upgraded" package might be?
~$ apt-get update Hit:1 http://ftp.us.debian.org/debian bullseye InRelease Hit:2 http://security.debian.org bullseye-security InRelease Hit:3 http://ftp.us.debian.org/debian bullseye-updates InRelease Reading package lists... Done ~$ apt-get upgrade Reading package lists... Done Building dependency tree... Done Calculating upgrade... Done 0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded. ~$ apt-get dist-upgrade Reading package lists... Done Building dependency tree... Done Calculating upgrade... Done 0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded. -Jim P.
