A tutorial to create a multiboot USB pen. #Grml USB #Multiboot USB #Grml #Multiboot #USB #Documentation
By following this tutorial is possible to get a multiboot USB pen, with grml 1.1, grml64 0.2 and grml-medium. This might be useful if you need a 32bit together with a 64bit version on just one medium like a USB pen.
First of all take the 32bit version and install it to your USB pen using grml2usb. Then proceed as follows:
# Mount the USB pen (in this example /dev/sdb1) where you installed # the first grml ISO using grml2usb: GRML2USB=/mnt/usb-sdb1 mount ${GRML2USB}
# Mount the second ISO as well: TARGET=/mnt/test mount -o loop /grml/grml-isos/grml64_0.2.iso ${TARGET}
# Set up squashfs: cp ${TARGET}/live/grml64.squashfs ${GRML2USB}/live/grml64.squashfs echo grml64.squashfs >> ${GRML2USB}/live/grml64.module
# Copy kernel and initrd: cp ${TARGET}/boot/grml64/initrd.gz ${GRML2USB}/grml64.gz cp ${TARGET}/boot/grml64/linux26 ${GRML2USB}/grml64
Now adjust syslinux.cfg and add an additional entry for the second ISO. Usage example:
# cat syslinux.cfg [...] # Configuration for 32bit grml (being present already): LABEL grml MENU LABEL grml - Standard Bootup MENU DEFAULT KERNEL linux26 APPEND apm=power-off lang=us vga=791 quiet initrd=initrd.gz boot=live nomce
# Add an additional configuration entry for 64bit grml: LABEL grml64 MENU LABEL grml - Standard Bootup MENU DEFAULT KERNEL grml64 APPEND apm=power-off lang=us vga=791 quiet initrd=grml64.gz boot=live module=grml64 nomce [...]
Finally invoke syslinux (don’t forget to adjust the device name according to your needs):
syslinux /dev/sdb1
That’s it! Now you should have a USB pen which lets you choose “grml64” on the bootprompt to boot the 64bit version of grml.
System requirements
- runs on:
- Linux
- main category:
- Documentation
- developer:
- visit homepage
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