dpkg --get-selections "*" > ~/dpkg.list
dpkg -l > ~/dpkg-full.list
apt update && apt upgrade && apt dist-upgrade && apt --purge autoremove
#hostnamectl
#lsb_release -a
#cat /etc/debian_version
#apt list '?narrow(?installed, ?not(?origin(Debian)))'
sed -i 's/bookworm/trixie/g' /etc/apt/sources.list
#mcedit /etc/apt/sources.list # bookworm --> trixie
apt update
apt -o APT::Get::Trivial-Only=true full-upgrade
/etc/init.d/apache2 stop
/etc/init.d/exim4 stop
/etc/init.d/dovecot stop
/etc/init.d/mariadb stop
apt upgrade --without-new-pkgs
apt full-upgrade
#apt full-upgrade
apt autoremove
reboot

hostnamectl
lsb_release -a
cat /etc/debian_version

systemctl edit tmp.mount
mcedit /etc/systemd/system/tmp.mount.d/override.conf
reboot

$ cat /etc/debian_version
13.2