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LOST CONSOLE AND SERVER PASSWORD (Solaris 10)

hello,

One of my coworker doesn't remember the root password of a critical server. The server is currently not available. So I tried to connect via the serial management port to try to check the problem, but all the logins  that I have tried failed.

The server is a sun Sparc  T5220, and the OS is Solaris 10. Do you guys know what can I do??

Also I don't have a screen to connect to that server.
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cismoney
Asked:
cismoney
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1 Solution
 
omarfaridCommented:
you need to boot the server from cd in maintenance mode then mount the root (/) file system then edit the shadow file to remove root password
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cismoneyAuthor Commented:
How do i boot the server with the cd  if i can't connect to the serial console (SP)?
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omarfaridCommented:
you need the console in order to boot
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cismoneyAuthor Commented:
i don't have a screen also
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omarfaridCommented:
you don't have any choice other than booting from cd to reset password
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cismoneyAuthor Commented:
so its not possible to boot from the cd without using the console?
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omarfaridCommented:
you need to get to OBP prompt to be able to issue the command to boot into single user mode / maintenance mode and then mount the root file system and then edit the shadow file to clear root password
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Joseph GanSystem AdminCommented:
You can also connect the console through the Serial Management Port (SER MGT), which is next to the Network Management Port (Net MGT)
using a RJ-45 crossover adapters with a standard Rj-45 cable to a terminal or a terminal emulater (PC or workstation) to the SER MGT port.
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