mkdir ~/.ssh
chmod 700 ~/.sshscp -p ~/.ssh/id_rsa.pub <user>@centos:/home/<user>/.ssh/authorized_keysMake sure authorized_keys with file mode 600 (chmod 600 ~/.ssh/authorized_keys)
OpenSSH Slow: Hanging at SSH2_MSG_SERVICE_ACCEPT received
$ vi /etc/ssh/sshd_config
UseDNS no
$ service sshd restart