[syslinux] syslinux compatibility with modern Linux distributions

[Marcin Celebucki]

Hi Martin

You forgot add option which is required, see below:

LABEL Ubuntu
LINUX vmlinuz
APPEND initrd=initrd.lz iso-scan/filename=/ubuntu-14.04.3-desktop-i386.iso
*boot=casper cdrom-detect/try-usb=true*

Thanks

2015-08-16 19:37 GMT+02:00 Martin T via Syslinux <syslinux w zytor.com>:

> Hi,
>
> I remember I had a bootable USB flash drive with few Linux
> distributions four to five years ago. iso files for Linux
> distributions and initial ramdisk(copied from extracted iso file) and
> Linux kernel(copied from extracted iso file) were on the USB flash
> drive. So I tried to create something similar with latest Ubuntu and
> in order to keep things simple, I did not add any additional
> distributions at first. Content of the bootable USB flash drive is
> following:
>
> # ls -l usb/
> total 1066232
> -rwxr-xr-x 1 root root   21276686 aug   16 13:11 initrd.lz
> -r-xr-xr-x 1 root root      32256 aug   16 11:47 ldlinux.sys
> -rwxr-xr-x 1 root root        113 aug   16 13:00 syslinux.cfg
> -rwxr-xr-x 1 root root 1064304640 aug   16 13:11
> ubuntu-14.04.3-desktop-i386.iso
> -rwxr-xr-x 1 root root    6191392 aug   16 13:11 vmlinuz
> #
>
> Content of syslinux configuration file looks like this:
>
> # cat usb/syslinux.cfg
> DEFAULT Ubuntu
>
> LABEL Ubuntu
> LINUX vmlinuz
> APPEND initrd=initrd.lz
> iso-scan/filename=/ubuntu-14.04.3-desktop-i386.iso
> #
>
> Now if I try to boot from this USB flash drive, the system seems to
> behave like it does not find an optical drive and ends up in BusyBox.
> I also tried with latest Debian and Kali Linux. Is there a mistake in
> my configuration file? Or is it not possible to boot Linux
> distributions like that any more?
>
>
>
> thanks,
> Martin
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-- 
Thanks / Dziekuje
Regards / Pozdrawiam

Marcin Celebucki