There is support for doing various things at startup (e.g., mount /home, swap, etc..) Scripts are to be placed at live.hooks directory of bootable media, and during bootup service livecd-run-hooks will find them and run one by one. Example: #!/bin/sh umount /home/ mount LABEL=SDHOME /home/ -o nodiratime,relatime swapon LABEL=SDSWAP More advanced usage examples are at wiki.