2026-04 mercury upgrade

2026-04-03 :

• Upgrade mercury Debian 11 (bullseye) to 12 (bookworm)
• then from 12 to 13 (trixie)

Did not come back up:

• dovecot
• fail2ban

Perl version upgraded so had to upgrade ALL of the packages... this took a couple hours:

• cpanm install ...
  • CPAN::DistnameInfo
  • CPAN::Meta::Prereqs
  • DateTime
  • --force RRD::Simple
• find / -name CPAN -ls
  • delete old CPANs

fail2ban

• rm filter.d/ignorecommands/apache-fakegooglebot filter.d/apache-fakegooglebot.conf and its reference in jails.local
• set jails.local vsftpd to false

postfix & dovecot

• it was a mistake to keep the old config files. I should have installed the new config files and set up a fresh configuration