Disable Root Login & HMC

Disable Root Login:

Method to disable root login:

Add rlogin = false in /etc/security/user and root name in /etc/nologin and ‘PermitRootLogin No’ in /etc/ssh/sshd_config

Edit HMC Password:

For P4 and P5 machines,

Command used is:

# hscroot@hmc > chhmcusr –u hscroot –t passwd

Enter new password:

Retype new password:

To reboot HMC from command line:

Login to HMC using SSH, login as hscroot user and run the following command:

# hscroot@hmc > hmcshutdown –t now -r

To Check HMC Version:

# lshmc -V

To know address of HMC which manage LPAR:

# lsrsrc IBM.ManagementServer

Hope this post was informative.

Happy Learning!