I have a problem with start ProFTPD.
the command window displays this message when I start ProFTPD.
asil@asil-PC:~$ sudo /opt/lampp/lampp start
Starting XAMPP for Linux 7.0.9-0...
XAMPP: Starting Apache...already running.
XAMPP: Starting MySQL...ok.
XAMPP: Starting ProFTPD...fail.
XAMPP: Another FTP daemon is already running