Create new public key pair:

silcd -C /etc/silc

Adjust private key permissions:

chmod 600 /etc/silc/silcd.prv

To allow remote connections, modify /etc/silc/silcd.conf:

Secondary { ip = "192.168.1.7"; port = 706; };

add the group nobody:

groupadd nobody

start the silc server:

silcd

and run the silc client:

silc -c 192.168.1.7

adjust /usr/share/fvwm/system.fvwm2rc:

 + "Chat%mini.telnet.xpm%"             Exec exec \
   xterm -title Chat -geometry 80x24-0+0 -name Chat -e silc -c 192.168.1.7