服务器见密钥认证

ssh jcs@172.29.231.103
1,	ssh-keygen -t rsa
	# scp  /home/tomcat/.ssh/id_rsa.pub  jcs@172.29.231.103:/home/jcs/.ssh/id_rsa.pub
2，	#  touch /home/jcs/.ssh/authorized_keys (該当ファイルが存在した場合、本ステップをスキップする)
	# cat /home/jcs/.ssh/id_rsa.pub  >> /home/jcs/.ssh/authorized_keys (id_rsa.pubの内容をauthorized_keysに追加する)
	# chmod 600  /home/jcs/.ssh/authorized_keys
	# chmod 700  /home/jcs/.ssh
3，	[tomcat@localhost .ssh]#ssh-agent bash
	[tomcat@localhost .ssh]#ssh-add  /home/tomcat/.ssh/id_rsa