This bug is reproducible with any existing username which contains letters "ftp", not only for the ftp user himself:
$ getent passwd | grep ftp ftpsecure:x:1001:1001:,,,:/var/ftp:/bin/false ftpuser:x:1002:1002:,,,:/home/ftpuser:/bin/bash $ sudo dpkg --configure -a Настраивается пакет vsftpd (2.2.2-3ubuntu7.1) ... vsftpd group (ftp) already exists, doing nothing. vsftpd user (ftp) already exists, doing nothing. gpasswd: user 'ftp' does not exist -- package vsftpd (not installed) failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 https://bugs.launchpad.net/bugs/641647 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs