Cluster configuration under CentOS (iv) Warm tips

Cluster configuration (iv)--warm tips

1. New User operation

(1) Each new user needs to go to/VAR/YP, perform make operation, recompile, update NIS user information, otherwise on the compute node can not log on or log in to find the home directory;

(2) After the new user, you need to establish the ordinary user and other nodes of SSH without password exchange visits.

To the user's home directory ~, execute

# ssh-keygen–t RSA ,

# CD. SSH

# cat Id_rsa.pub >> Authorized_keys

# chmod Authorized_keys

Then select any of the nodes, wake up SSH switch, let Master's. ssh file to generate a know_hosts, so that after committing the task child node processing results can be returned to the master server.

Cluster configuration under CentOS (iv) Warm tips