/var/lib/apt/

/var/lib/apt/daily_lock
/var/lib/apt/extended_states
/var/lib/apt/lists/
/var/lib/apt/lists/partial/
/var/lib/apt/mirrors/
/var/lib/apt/periodic/

Related

• du -hs /var/lib/* | sort --human-numeric-sort -rk1 | head -10

sudo rm -rf /var/lib/apt/lists/*
sudo apt-get update

No space left on device

See also

• APT: wajig, apt-cache, add-apt-repository PPA, apt [ install | remove |purge | show | list | changelog | update | upgrade], do-release-upgrade, apt-mark, apt full-upgrade, sources.list, APT Automatic updates, unattended-upgrade, apt-transport-https, apt-get update, /etc/apt/, /etc/apt/apt.conf.d/50unattended-upgrades, /etc/apt/apt.conf.d/, /etc/apt/apt.conf.d/20auto-upgrades, apt-file, apt-utils, /var/log/dpkg.log, apt autoremove