do not disable systemd apt timers on No's computer sudo systemctl enable apt-daily-upgrade.timer sudo systemctl enable apt-daily.timer set Persistent=true and RandomizedDelaySec=600 on No's computer's override files for apt-daily.timer https://askubuntu.com/questions/659267/how-do-i-override-or-configure-systemd-services go early to buy food at farmer's market to avoid rain get mail held and newspapers stopped on No's computer after discussing with No look at meetups for coming week look for electric shaver adapter on Central Computer take tire pump out of car put plastic take-out containers into car