Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

//etc/logrotate.d/unattended-upgrades

 /var/log/unattended-upgrades/unattended-upgrades.log 
/var/log/unattended-upgrades/unattended-upgrades-dpkg.log
/var/log/unattended-upgrades/unattended-upgrades-shutdown.log
{
  rotate 6
  monthly
  compress
  missingok
  notifempty
}