Operation of ssh mutual trust on LINUX

On LINUX, if you want to access 10.10.18.8 and 10.10.18.9 from a common user using ssh, do the following on 10.10.18.7 without a password: www.2cto. comssh-keygen-trsa // Press enter cat. ssh/id_rsa .... on LINUX, if you want to access 10.10.18.8 and 10.10.18.9 with ssh mutual trust after you log on to 10.10.18.7, do the following on 10.10.18.7 without a password: www.2cto.com ssh-keygen-t rsa // Press enter here. ssh/id_rsa.pub>. ssh/authorized_keys // password scp is not required for local logon. ssh/id_rsa.pub 10.10.18.9 :~ // Log on to 10.10.18.9 without the password ssh 10.10.18.9 'cat id_rsa.pub>. ssh/authorized_keys 'scp. ssh/id_rsa.pub 10.10.18.8 :~ /// Log on to 10.10.18.8 without the password ssh 10.10.18.8 'cat id_rsa.pub>. ssh/authorized_keys '. Similarly, you need to perform the corresponding operation on 10.10.18.8 and 10.10.18.9 (modify the IP address in the command)