INIT: Id "co" respawning too fast: disabled for 5 minutes

Solve the problem, or disable it in /etc/inittab.

ADSL on Linux

1) Prepare your ISP login name and password.
2) Setup the rpm of PPPOE if it's necessary.
3) Setup configuration.
> adsl-setup

4) To start ADSL:
> /sbin/ifup ppp0

5) To stop ADSL:
> /sbin/ifdown ppp0