Password recovery


  • From console, interrupt the boot routine:

        Hit [Enter] to boot immediately, or any other key for command prompt.

        Booting [kernel] in 9 seconds...

        < Press the space bar at this point >
  • Enter into single-user mode:
        Type '?' for a list of commands, 'help' for more detailed help.
        ok boot -s
  • Enter the shell:
    • Mount the virtual file systems (for JUNOS 5.4 and above, it is not necessary to mount the jbase (or jcrypto) package, however the other packages still need to be mounted):
        NOTE: to go to multi-user operation, exit the single-user shell

(with ^D)

        # cd /packages
        # ./mount.jbase
        Mounted jbase package on /dev/vn1...
        # ./mount.jkernel
        Mounted jkernel package on /dev/vn2...
        # ./mount.jroute
        Mounted jroute package on /dev/vn3...
  • Enter recovery mode:
 # /usr/libexec/ui/recovery-mode
  • Enter configuration mode and either delete or change the root authentication password:
        root> configure
        Entering configuration mode

        root# delete system root-authentication
  • Commit the changes, and exit configuration mode
        root # commit
        commit complete

        root@router# exit
        Exiting configuration mode

        root@router> exit

Exit recovery mode and enter “y” when prompted to reboot the system:

        Reboot the system? [y/n] y

The system now reboots and changes made to root authentication are activated.

juniper/password-recovery.txt · Last modified: 2009/12/21 16:27 by a
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