A连B
1.生成公钥和私钥 ssh-keygen
2.复制公钥到需要免密登录的服务器上 ssh-copy-id root@192.168.25.175
A连A
2.复制公钥到本机上 ssh-copy-id root@本机ip
问题:
免密登录遇到Are you sure you want to continue connecting (yes/no)?的提示,很烦人,如何去掉?
解决:修改/etc/ssh/ssh_config将其中的# StrictHostKeyChecking ask 改成 StrictHostKeyChecking no