Enable ssh (passwordless authentication) Linux

ssh-keygen -t rsa

cat ~/.ssh/id_rsa.pub | ssh   root@10.60.40.112 \

"mkdir -p ~/.ssh && cat >> ~/.ssh/authorized_keys && chmod 600 ~/.ssh/authorized_keys"

cat ~/.ssh/id_rsa.pub | ssh   root@10.60.40.113 \

"mkdir -p ~/.ssh && cat >> ~/.ssh/authorized_keys && chmod 600 ~/.ssh/authorized_keys"

cat ~/.ssh/id_rsa.pub | ssh   root@10.60.40.114 \

"mkdir -p ~/.ssh && cat >> ~/.ssh/authorized_keys && chmod 600 ~/.ssh/authorized_keys"

cat ~/.ssh/id_rsa.pub | ssh   root@10.60.40.115 \

"mkdir -p ~/.ssh && cat >> ~/.ssh/authorized_keys && chmod 600 ~/.ssh/authorized_keys"

cat ~/.ssh/id_rsa.pub | ssh   root@10.60.40.116 \

"mkdir -p ~/.ssh && cat >> ~/.ssh/authorized_keys && chmod 600 ~/.ssh/authorized_keys"

cat ~/.ssh/id_rsa.pub | ssh   root@10.60.40.117 

"mkdir -p ~/.ssh && cat >> ~/.ssh/authorized_keys && chmod 600 ~/.ssh/authorized_keys"