Tanti Technology

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Bangalore, karnataka, India
Multi-platform UNIX systems consultant and administrator in mutualized and virtualized environments I have 4.5+ years experience in AIX system Administration field. This site will be helpful for system administrator in their day to day activities.Your comments on posts are welcome.This blog is all about IBM AIX Unix flavour. This blog will be used by System admins who will be using AIX in their work life. It can also be used for those newbies who want to get certifications in AIX Administration. This blog will be updated frequently to help the system admins and other new learners. DISCLAIMER: Please note that blog owner takes no responsibility of any kind for any type of data loss or damage by trying any of the command/method mentioned in this blog. You may use the commands/method/scripts on your own responsibility. If you find something useful, a comment would be appreciated to let other viewers also know that the solution/method work(ed) for you.

Saturday, 19 October 2019

How to reset the unknown root password in aix?


How to reset the unknown root password in aix?


1. Ground work:

Get the hmc details
Get the hscroot password of the HMC
Make sure CD available on the server.
Login to hmc and reboot the server from sms mode


2. Implementation

(Boot the server in sms mode and follow the below steps)

5. Select boot options
1. Select install/Boot device
4. IDE
1. IDE-CDROM
3. Service mode boot
1 Yes (Exit sms)
1. Type 1 and press enter to have english during install
3. Start maintenance mode for system recovery
1. Access a root volume group
0 Continue
1 (Select the boot device)
1. Access this volume group and start a shell

passwd
Changing password for "root"
root's New password:
Enter the new password again:
sync;sync;sync;reboot
                     
3. Validation

login to the server with the new password and confirm you can logon successfully.

4. Downtime
Yes downtime required for this task.

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