how to reboot hmc from command line?
['Ground work: Ip address or hostname of the HMC. hscroot password to access the HMC. ... ', 'Reboot the HMC using command line. Login to the hmc with hscroot access. hmcshutdown -t now -r --> To reboot the HMC.', 'Reboot the HMC using GUI mode. Login to the HMC GUI using hscroot user account. ... ', 'Post check.']