Recovering from a corrupt rc.conf

Sometimes we may make a mistake in the rc.conf file – either a syntax error or loading something which causes the system to crash. In such a case we need to fix the rc.conf file so that the system can boot normally.

The steps to do this are given below:

  • Boot into single user mode
  • When prompted for a shell pathname,  press Enter
  • Type mount -urw / to re-mount the root file system in read/write mode.
  • Type mount -a -t ufs to mount the current file system so that you can runyour preferred editor eg. vi
  • Edit /etc/rc.conf as required and save it
  • Restart the system

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