Starting ppp is normally done as root unless allow users has been added to the /etc/ppp/ppp.conf and specific users have been added to the network group in /etc/group similar to this:
network:*:69:rpratt
Invoking ppp in the background will allow the console or terminal window to be used for other purposes. Start ppp on the k6-2.weeble.com machine with the command:
% ppp -background -nat ez
To disconnect from the net:
% killall ppp