/var/cache/apt/

/var/cache/apt/archives/

du -hs /var/cache/apt/archives/
321M	/var/cache/apt/archives/

Related

• No space left on device
• find / -ls 2>&1 | sort -rnk7 | more
• apt install --download-only

See also

• apt install [ -y ], postgresql-common, --help, /etc/apt/, apt --fix-broken install, apt changelog, history.log
• 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