Maude User wrote:
Hello All --
SUMMARY:
I changed a configuration file and now I can no longer boot from my hard drive (but I can still
boot from the CD). I would like to boot from the CD and undo my change to the configuration
file -- but when I boot from the CD it automatically launches the install program. Is there a way
to boot from the boot CD and get a shell and make a change to a file on the hard drive? (I got
an "emergency shell" after booting from the CD -- but I can't figure out how to access my hard
drive filesystem from it.)
DETAILS:
I was trying to set up a serial console using the instructions here:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/serialconsole-setup.html
I typed the following at the prompt:
# echo 'console="comconsole"' >> /boot/loader.conf
then unplugged my regular keyboard and tried to reboot -- but the machine now freezes on
bootup.
I now want to boot from a CD and remove the file /boot/loader.conf from the hard drive. Then I
should be able to boot normally again from the hard drive.
I went into the BIOS and booted from the CD and this put me in the install program. I don't
want to install everything again -- I just want to boot up from the CD and execute the following
command at the prompt:
# rm /boot/loader.conf
After booting from the CD, I found a command in the install program to enter an "emergency
shell" and accessed this shell by hitting ALT-F4 -- but if I do an "rm" command in this
emergency shell, it doesn't apply to the filesystem on the hard drive -- it applies to the CD. I
need to delete the file /boot/loader.conf while booting from the CD.
Is there any way to fix this without installing FreeBSD all over again?
Thanks.
Scott Alexander
The option you are looking for is "fixit" from the install disk menu.
This'll get you a command prompt. You will have to manually mount the
partion that boot is on then you can delete, rename, edit, etc the file
in question.
HTH,
Micah
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