A read-only kernel boot?

[Qqmike]

Typically, when you boot the kernel, you do so passing a read-only (ro) kernel option, like this:

kernel /boot/vmlinuz-2.6.24-23-generic root=UUID=xyz ro quiet splash

If you have to, in an emergency, how bad is it if you don't pass the ro option, like this:

kernel /boot/vmlinuz-2.6.24-23-generic root=UUID=xyz quiet splash

[dibl]

Re: A read-only kernel boot?

Mike, I found this:

http://www.kernel.org/pub/linux/kern...h/lkn/lkn_pdf/

if you open the "ch09.pdf" and read down far enough, it says "ro" overrides "rw" if it was specified earlier, but it also says "ro" is the default. So, with no "rw" specified anywhere, the absence of "ro" should not hurt anything, since the default is also ro.

[Qqmike]

Re: A read-only kernel boot?

Great! Even better than I had hoped for (which would have been "minimal risk of damage done"). And, you would think/hope, that's the way it should be, right? a r-o default. Many thanks for digging this up for me.

[dibl]

Re: A read-only kernel boot?

Many thanks for digging this up for me.

Glad to help -- I learned something too!