Usually you have an option to replace the existing OS during install. If not then choose custom partitions which should give the option to assign and/or format specific partitions.
Qualifier: I used to keep a data partition which needed to be kept intact. Wiping the old OSes was easily accomplished, which included a reformat of specific partitions.
Fred Roller
On Sep 6, 2016 8:08 AM, "Jobst Schmalenbach" <jobst@xxxxxxxxxxxxxx> wrote:
Fedora-Live-Workstation-x86_64-23-10.iso
USB based DVD
Lenovo Yoga
Description of problem:
Originally I tried to boot to rescue mode on a Lenovo Yoga that has Ubuntu installed. I wanted to start rescue mode, then wipe the ubuntu install by formatting the partitions (/ and boot using mkfs.ext4) and replace Ubuntu with Fedora 23.
So I inserted the Fedora 23 DVD, wait for the bios boot menu to appear, select the DVD drive with inserted Fedora 23 and boot to that. When the grub menu appears I select tab and change the kernel line to have "rescue" at the end, delete the "quiet" so I can see what is going on and add "vag=771".
Just after the "Started D-Bus System Message Bus" it stops:
"Cannot open access to console, the root account is locked. See sulogin(8) man page for more details.
As this is "rescue mode" and the idea of rescue mode is to be able to access anything that is on the computer even with a messed up password it is tricky.
How reproducible:
I have tried this on three computers:
1: a beefy, selfmade workstation that has Fedora 22 installed on the local hard drive
2: a Dell XPS 13, that has Windows installed (but UEFI disabled)
3: Lenovo Yoga that has Ubuntu 16.04 installed (UEFI disabled)
all of them have the same issue
Additional info:
It does not matter what setting UEFI boot is set to, I tried this with every possible setting in the BIOS that was given to me by the different manufacturers, I could not get pass the "root account is locked"
Anybody any ideas, please.
thanks
Jobst
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