The following NEW packages will be installed: pgdg-keyring postgresql-client-10 postgresql-client-common The following packages will be upgraded: libpq-dev libpq5 2 upgraded, 3 newly installed, 0 to remove and 0 not upgraded. Need to get 1824 kB of archives. After this operation, 6302 kB of additional disk space will be used. E: You don't have enough free space in /var/cache/apt/archives/. ERROR: Job failed: exit code 1