Here is how you install YDL on a PS3

Not hard at all to install Yellow Dog Linux - mine is setup as a dedicated cruncher, never will play games or watch Blue Ray movies with it.
Download yellowdog-5.0.1-phoenix-20070511-PS3.iso
Burn to DVD
Take out the PS3, plug in network cable, usb keyboard and controller.
Plug in the HDMI cable to your TV.
Turn it on, go thru the setup, get the latest PS3 update installed, reboot
Insert DVD, go thru a few settings, boot other OS, make it the default
When YDL boots up, type installtext<enter>
Answer a few questions, sit back and wait one hour for it to finish.
re-boot, comes up to the login, type root and password
plug in USB thumb drive with /dnetc client files for Cell
mount /dev/sdc1 /mnt
mkdir /root/dnetc
cp -R /mnt/dnetc/* .
cd /root/dnetc
vi dnetc.ini
./dnetc
sit back and watch your stats climb