CentOS, high-speed setup SSH no password login

First of all. Guaranteed to ping through

Then run for example the following command,

Master login Slave

Master runs above for example the following directives:

2.4 Confirm the configuration file (root) of the native sshd

$ vi/etc/ssh/sshd_config

Find the following and remove the gaze "#"

Rsaauthenticationyes

Pubkeyauthenticationyes

Authorizedkeysfile.ssh/authorized_keys

2.5 If you change the configuration file, you need to restart the sshd service (root)

$ vi/sbin/service sshd Restart

If there is no change, the above steps omit,

The following continues

2.7 Steps to generate a certificate public private key

$ssh-keygen-t dsa-p "-F ~/.SSH/ID_DSA

$ cat~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys

2.8 Test Login SSH localhost

$ ssh localhost

Under normal circumstances will log on successfully, showing some successful login information.

At last:

$cat ~/.ssh/id_dsa.pub | SSH remote [email protected] remote ServerIP ' cat->> ~/.ssh/authorized_keys '

CentOS, high-speed setup SSH no password login