As a workaround, a user hitting this issue can run: sudo rm -f /usr/share/man/man8/pam_exec.8.gz /usr/share/man/man8/pam_unix.8.gz && sudo apt-get -f install
As a workaround, a user hitting this issue can run: man/man8/ pam_exec. 8.gz /usr/share/ man/man8/ pam_unix. 8.gz && sudo apt-get -f install
sudo rm -f /usr/share/