Proftpd

apt-get install proftpd

com standalone

echo "RequireValidShell               off" >> /etc/proftpd/proftpd.conf
echo "DefaultRoot ~" >> /etc/proftpd/proftpd.conf
/etc/init.d/proftpd restart

Starting ftp server: proftpd - IPv6 getaddrinfo 'nkosi' error: Name or service not known

na linha que tava

::1     ip6-localhost ip6-loopback

ficou

::1     ip6-localhost ip6-loopback nkosi

ai rolou legal

root@nkosi:~# /etc/init.d/proftpd restart
Stopping ftp server: proftpd.
Starting ftp server: proftpd - IPv6 getaddrinfo 'nkosi' error: Name or service not known
.
root@nkosi:~# nano /etc/hosts
root@nkosi:~# /etc/init.d/proftpd restart
Stopping ftp server: proftpd.
Starting ftp server: proftpd.