Using USB Storage in Kickstart

21 12 2009

Recently I’ve been going through several kickstart build scripts – mainly to setup the correct packages and settings.  I thought it would be convenient if I was able to use the same kickstart DVD for all machines but read in the appropriate settings from a USB stick.  To do this, I put the following in my kickstart postscript…

# Check for USB storage and profile definition
if [ -d /proc/scsi/usb-storage ]; then
DEVICENUM=$(ls /proc/scsi/usb-storage/)
DEVICELETTER=$(<<<$DEVICENUM tr ‘[1-9]’ ‘[a-i]’)
echoOut “USB storage found at sd”$DEVICELETTER
mkdir -p /mnt/usb
mount /dev/sd${DEVICELETTER}1 /mnt/usb
if [ -f /mnt/usb/network-settings-*.bash ]; then
source /mnt/usb/network-settings-*.bash
cp /mnt/usb/network-settings-*.bash /root/
USBPROFILE=1
echoOut “Loaded profile found on USB storage”
else
echoOut “Unable to find profile settings on USB storage”
fi
else
echoOut “No USB storage present…”
fi

The echoOut function is just an echo function I wrote to do an ordinary echo, log to a file and tee it to tty3 (for use the kickstart installation).  I could go further with this script and perhaps use a menu in the case of several available files, but a single file on the USB is fine for me.

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