kernel boot parameter : init=/bin/bash
dan
info at hostinthebox.net
Thu Mar 17 23:24:52 UTC 2005
lin q wrote:
> Hi,
> I happen to find an interesting thing: if I add "init=/bin/bash" to the
> kernel boot parameter, then Fedora Core 1 quickly boots to command line
> bash, no GUI starts. And / is read only. And I works in single user
> environment.
>
> Then I tried changing the parameter to "init=/bin/bash, rw", but this
> time the boot is like normal way, GUI starts, I am asked to log in, etc.
>
> I wonder why it has so big difference with and without "rw"?
>
> Thanks.
>
It probably booted normally because what you had appended to the boot
prompt was invalid. I don't think that having a space in there is legal.
To mount a / partition rw, do the following:
boot ... ... init=/bin/sh
mount /proc
mount -o remount,rw /
If you have multiple filesystems that need to be written to, repeat that
last command on their mountpoints.
Hope that helps
-dant
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