Last updated on March 13, 2019
Clear the APT cache to reclaim disk space used by the downloaded packages.
Inspect APT cache configuration
Check out the current APT cache configuration using the following command.
$ apt-config dump | grep "^Dir\( \|::Ca\)"
Dir "/"; Dir::Cache "var/cache/apt"; Dir::Cache::archives "archives/"; Dir::Cache::srcpkgcache "srcpkgcache.bin"; Dir::Cache::pkgcache "pkgcache.bin"; Dir::Cache::Backup "backup/";
Remove every package from the cache
Perform a simulation of the whole process.
$ sudo apt-get clean --dry-run
Del /var/cache/apt/archives/* /var/cache/apt/archives/partial/* Del /var/lib/apt/lists/partial/* Del /var/cache/apt/pkgcache.bin /var/cache/apt/srcpkgcache.bin
Remove retrieved package files.
$ sudo apt-get clean
Remove outdated packages from the cache
$ sudo apt-get autoclean --dry-run
Remove retrieved package files that can no longer be downloaded.
$ sudo apt-get autoclean
credit: https://blog.sleeplessbeastie.eu/2017/10/09/how-to-clean-the-apt-cache/