Method One:
SRX210 Recovery Password Process:
1, the boot has been pressed empty bar once: space
2,=>bootd
3,loader> boot-s
4,enter full Pathname The shell or ' recovery ' for root password recovery or return for/bin/sh:recovery
5, new device password:
Root> Edit
root# Set System Root-authentication Plain-text-password
New Password:
Retype new Password:
root# Commit
root# Run Request system reboot
Start | Reboot for about 4 minutes
Method Two:
Juniper Password recovery method, absolutely useful.
1. On the console, the first 9 seconds of the Juniper router, press the space bar (as long as you are not enter)
2. Use Boot-s to enter Single-user mode (can be used?) or help to get detailed assistance)
2. Start Shell, prompt:
System watchdog timer disabled 1 00:36:47 init:/etc/spwd.db:no such
File or directory Enter full pathname's shell or return for/bin/sh:
Direct enter into single user mode
Note:to go to multi-user operation and exit the Single-user shell (with ^d) #
4.mount File System
#cd/packages
#./mount.jbase (actually when entering Single-user mode, has been mount, so do not need to do)
#./mount.jkernel
#./mount.jroute
5. Enter the recovery mode
#/usr/libexec/ui/recovery-mode
6. Enter configuration mode
Modify or delete the system password, save, exit.
7. Reboot
This article from the "Operation and maintenance work Struggle" blog, please be sure to retain this source http://yanghuawu.blog.51cto.com/2638960/662355