You can interactively set up the ssh and rsh connections using the installer -comsetup command.
Enter the following:
# ./installer -comsetup Input the name of the systems to set up communication: Enter the <platform> system names separated by spaces: [q,?] sys2 Set up communication for the system sys2: Checking communication on sys2 ................... Failed CPI ERROR V-9-20-1303 ssh permission was denied on sys2. rsh permission was denied on sys2. Either ssh or rsh is required to be set up and ensure that it is working properly between the local node and sys2 for communication Either ssh or rsh needs to be set up between the local system and sys2 for communication Would you like the installer to setup ssh or rsh communication automatically between the systems? Superuser passwords for the systems will be asked. [y,n,q,?] (y) y Enter the superuser password for system sys2: 1) Setup ssh between the systems 2) Setup rsh between the systems b) Back to previous menu Select the communication method [1-2,b,q,?] (1) 1 Setting up communication between systems. Please wait. Re-verifying systems. Checking communication on sys2 ..................... Done Successfully set up communication for the system sys2