rc  vsftpd                             2.0.3-1               The Very Secure FTP Daemon
debian:/etc/init.d# apt-get --purge vsftpd
E: Invalid operation vsftpd
debian:/etc/init.d# apt-get remove --purge vsftpd
Reading package lists... Done
Building dependency tree... Done
Package vsftpd is not installed, so not removed
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.