[j-nsp] password recovery procedure in JunOS

Warren Kumari warren at kumari.net
Wed Mar 22 17:48:37 EST 2006

 From JuniperClue:

Password recovery
 From JuniperClue

    1. From console, interrupt the boot routine:

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


         Booting [kernel] in 9 seconds...

         < Press the space bar at this point >

    1. Enter into single-user mode:

         Type '?' for a list of commands, 'help' for more detailed help.
         ok boot -s

    1. Enter the shell:

    1. Mount the virtual file systems (for JUNOS 5.4 and above, it is  

necessary to mount the jbase 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...

    1. Enter recovery mode:

         # /usr/libexec/ui/recovery-mode

    1. Enter configuration mode and either delete or change the root

authentication password:

         root> configure
         Entering configuration mode

         root# delete system root-authentication

    1. Commit the changes, and exit configuration mode

         root # commit
         commit complete

         root at router# exit
         Exiting configuration mode

         root at 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  


On Mar 22, 2006, at 1:30 PM, ulisses wrote:

> Hi all
> I found that there is no documented password recovery on Juniper's  
> site...
> Am I right? why it is not available? customer care? }:-)
> the only documentation I found is a message sent twice to this  
> mailing list:
> http://puck.nether.net/lists/cisco-nsp/10457.html
> http://puck.nether.net/lists/cisco-nsp/7233.html
> Thanks in advance
> regards
> 	Ulisses
> PD: please Cc: your replies to me
> _______________________________________________
> juniper-nsp mailing list juniper-nsp at puck.nether.net
> http://puck.nether.net/mailman/listinfo/juniper-nsp

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