This is an area for Not So Frequently Asked Questions. Questions not asked enough to make it into the ["FAQs"], but ones that can really tick people off if they can't find an answer to them.
How do I do PPP over a null modem cable?
Using
/usr/sbin/pppd ttyS0 115200 noauth debug local nocrtscts \ lcp-restart 1 ipcp-restart 1 persist 192.168.10.1:192.168.10.2
to make the link and doing other stuff to work out the routing for example.
MichaelIvey: I've been doing the ?NullModem trick to make my ?TiVo use an old 486 laptop to connect to the internet. Works like a champ. Found the instructions in the ?TiVo Serial-PPP ?HowTo.
How do you set up the nVidia graphics driver on Debian?