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SUN Solaris The Solaris Operating System, usually known simply as Solaris, is a free Unix-based operating system introduced by Sun Microsystems .

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Old 05-26-2009
shahru shahru is offline
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Reset lost superuser/root password in x86

I've come across this question during interview as Sys Adm.

"How you reset lost root/superuser password on x86 system running solaris (8/9/10) which remotely located. (Not locally in front of you)"

As much as I know, you must be physically in front of the server to reset the lost root/superuser password.

Any idea?
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Old 05-26-2009
kumarmani kumarmani is offline
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If you got option to boot the system from net in single user mode I am sure you can rectify the issue by mounting the disk on /a and modifying the /a/etc/shadow file.
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Old 05-26-2009
shahru shahru is offline
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thanks kumar,
i do agree to boot from net but given a situation where superuser password unknown to you & you unable to reboot/shutdown the server remotely using other account that allowed to shutdown/reboot the server. Without that we can't boot from net/cdrom then, right?

other possible way?
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Old 05-26-2009
shubhendu shubhendu is offline
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Smile This is what I did...

You may be interested to read this peice of info.

I had to do this once... so got this....

BigAdmin Description - Change Root Password

Last edited by DukeNuke2; 05-26-2009 at 06:41 AM.. Reason: deleted code. link to code is enough...
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Old 05-26-2009
kumarmani kumarmani is offline
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As on when I boot it from CDROM, it never ask for any password, and I think once you boot it from any server which is working as boot server I think ideally it shouldn’t ask for password, because you are not logging to that system you are taking help of that system to boot some other system in environment . Isn’t?

I am sure you are at the right place and you will be getting better view then mine
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