Configuring Password-Free Login

Enable ceph1 and client1 to access all server and client nodes (including ceph1 and client1) without a password.

1. Generate a public key on ceph1 and deliver it to other server and client nodes.

   1 2 3

   ssh-keygen -t rsa for i in {1..3}; do ssh-copy-id ceph$i; done for i in {1..3}; do ssh-copy-id client$i; done

   

   After inputting the first command ssh-keygen -t rsa, press Enter to use the default configuration.

   

2. Generate a public key on client1 and deliver it to each server node and client node.

   1 2 3

   ssh-keygen -t rsa for i in {1..3}; do ssh-copy-id ceph$i; done for i in {1..3}; do ssh-copy-id client$i; done

   

   After inputting the first command ssh-keygen -t rsa, press Enter to use the default configuration.