I changed directory to /home/user “user is your user name”
then download the script and run. webmin kept stopping so I skipped webmin and didn’t need the ftp server so I answered no to them and installed webmin manually later.
Ubuntu and Ubuntu clones
wget –no-check-certificate -O autodl-setup http://sourceforge.net/projects/autodl-irssi/files/autodl-setup/download
sudo sh autodl-setup