Power Log Collector

This Power Log Collector boots an XO-1 or XO-1.5 and copies the power logs to itself before shutting the laptop down.

Use

• Download Power-log-collector.tar.bz2 and unpack onto a USB flash drive
• Shut down the XO
• Insert the USB drive and turn on the XO
• The XO will collect the power logs, print a message saying has done so and then shut down

Theory of Operation

• Based on Tiny Core Linux
• An Open Firmware Boot Script selects the XO-1 or XO-1.5 kernel.
• The initial ramdisk mounts /dev/sda (which should be the first USB drive) and..
• executes rc.local on that drive
• rc.local does the collection

Modifying Tiny Core Linux

This will unpack the initial ramdisk to the current directory.

1. gunzip <../initrd.gz | cpio -i
2. Modify as needed
3. find | sudo cpio -o -H newc --quiet | gzip -2 > ../initrd.gz

Note: will not work on secured laptops without signing.