[nycbug-talk] Need to boot from CD and delete a file on the hard drive
Tue Oct 25 14:03:56 EDT 2005
Hello All --
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.)
I was trying to set up a serial console using the instructions here:
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
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?
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