I have created a custom live CD image (erm… live USB, I suppose it'd be more accurate) through a combination of Cubic (to generate a custom .iso) and mkusb to provide it with persistency through a casper-rw
partition.
It's working really well, but mkusb
seems to be creating its own fstab
and its own grub
menu.
One of the things that mkusb
does is creating a "regular" NTFS partition so the USB stick can be used as a "regular" storage stick (to save pictures, docs or whatever in it), yet that partition doesn't seem to be mounted on boot.
It would be great if it could be, because I have a pretty specific use I'd like to give to it (specifically, Docker images which now only seem to work properly if I specify devicemapper
as the storage-driver
). It would really, really help if I could have that NTFS partition mounted in /var/lib/docker/[storage]
, but even if I change /etc/fstab
while in Cubic, those changes are not reflected in the image that is written to the USB stick.
Something similar happens with the Grub menu. Cubic
allows to specify your own, but this seems to be overwritten by mkusb
and because of issues with the computers where the stick is going to be used, it would be great if I could add a nolapic
flag to the boot line.
Is there any way of doing this?
PS 01: I'm not married to mkusb
… I do like how easy it is to get a persistent USB with it and that works on bios with UEFI boot, though but maybe another tool would give me more control?
PS 02: I don't know much about… anything, really but for this specific use case, let's say I don't know much about persistent partitions on bootable USB sticks.
Best Answer
You can try if you can mount the NTFS partition manually with a
mount
command line. When that works, you can save the command line(s) to your~/.bashrc
file, that should make it mount automatically where you want it in the future. There are details about mounting NTFS at this link.The OP found it better to add the mount into the
rc.local
instead of the.bashrc
You can add the boot option
nolapic
near the end (likepersistent
) in the line starting withlinux
for each Ubuntu menuentry that you want to use in the filegrub.cfg
in partition #3 of the live USB drive.