On Mon, 2018-04-23 at 17:20 +0300, Aleksandar Kostadinov wrote:
> Hi,
>
> I'm reading documentation [1] for Fedora on a USB stick. The only option
> to have a portable fedora on a stick seems to be by creating an overlay
> FS and this certainly leads to getting out of disk space at some point.
>
> I would really like to create Fedora on USB that I can plug anywhere and
> work off it.
>
> I was thinking that perhaps I can just install regular fedora on a USB
> stick like I would do on a hard drive. Then it can be updated and used
> just like any other Fedora machine. Perhaps disable persistent logging
> and swap so that flash memory doesn't wear out.
>
> One issue I presently know about is dracut. It creates by default images
> that only support a specific hardware. i.e. if I install kernel on a
> machine with an nforce disk controller, it will put in intird only that
> module thus Fedora will not boot on a machine with AHCI controller.
>
> Maybe this wouldn't matter when all things are on the USB drive but then
> can there be a problem with different USB controller modules?
>
> I was wondering if anybody tried that and has tips for greated portability.
>
> Thank you,
> Aleksandar
>
>
I have been doing this for several years, currently F27,
but only as a recovery Stick.
I just do a standard install but use a custom disk layout
using ext4 / partition - no LMV.
gdisk -l /dev/sda
Number Start (sector) End (sector) Size Code Name
1 2048 1026047 500.0 MiB EF00 EFI System
2 1026048 1028095 1024.0 KiB EF02 BIOS boot partition
3 1028096 3125247 1024.0 MiB 8300 Linux filesystem
4 3125248 19902463 8.0 GiB 8200 Linux swap
5 19902464 61800414 20.0 GiB 8300 Linux filesystem
I have recently been using a Corsair GT 32GB stick
This one would be much better
128GB Corsair Flash Voyager GTX USB 3.1 Gen 1 Type-A Pendrive,
Black, 460MB/s Read, 460MB/s Write, 33k/40k IOPS, PC/Mac
£67.99
My Fedora notes say this - not certain it is still valid - but I did it for F27.
dnf install dracut-config-generic - To force a generic initramfs
This installs a single file
/usr/lib/dracut/dracut.conf.d/02-generic-image.conf hostonly="no"
I have not done the following - I waited for a kernel update.
To force an existing kernel to use a "fully configured" initramfs file then
dracut --regenerate-all --force
NB this will regenerate and over-write all /boot/initramfs* file
Make copies first if required
John
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