Reset Lost Password in Sun Application Server

Posted: September 23, 2008 in Sun Application Server
Tags: , ,

Reset Lost Password in Sun Application Server

Happens to the best of us, less with system admins more with developers. But we are all human, and believe it or not we DO forget and loose passwords at least once every so often. Some time ago I wrote a tutorial on how to reset lost root password in mysql, and here is another similar tutorial on how to reset the lost domain password but this time for Sun Application Server.

Before going any further with this article, please first check “.asadminprefs” file:

cat /home/toly/.asadminprefs
 
AS_ADMIN_USER=admin
AS_ADMIN_PASSWORD=YourSecretPasswordInTextHere!

the admin password could be there

If it is not there, there are two ways to reset it:

  • Reinstall or recreate the affected domain.
  • Create a new dummy domain and copy its security key file over to the real domain to substitute the password.

Below is an explanation for the second approach (in case when “reinstall or recreate affected domain” is not an option):

Given:

 >   Sun App server is installed in                 "/opt/SUNWappserver"
 >   Domain to which the password is lost:   "domain1"

Step 1. Creating a new dummy domain

/opt/SUNWappserver/bin/asadmin create-domain --adminport 7070 --adminuser admin --instanceport 7071 dummy-domain
 
Please enter the admin password>password
Please enter the admin password again>password
Please enter the master password>password
Please enter the master password again>password
 
Domain dummy-domain created.

Step 2. Copy dummy-domain’s “admin-keyfile” to domain1’s “admin-keyfile”

cp /opt/SUNWappserver/domains/dummy-domain/config/admin-keyfile  /opt/SUNWappserver/domains/domain1/config/admin-keyfile

now the password for domain1 is “password” – DONE )

Step 3. Deleting the dummy domain

/opt/SUNWappserver/bin/asadmin delete-domain dummy-domain
Domain dummy-domain deleted.

NOTES:

The above is true for Sun’s Application Server 8.x and later.

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