使用ssh-keygen，实现免密码登陆linux
1 本机创建ssh密钥
debian:~# ssh-keygen
2 拷贝密钥到“被登陆机”输入密码，
debian:~/.ssh#scp id_rsa.pub 192.168.0.7:~/.ssh/
3 ssh到“被登陆机”把密钥改成 “authorized_keys”
debian:~/.ssh# mv id_rsa.pub authorized_keys
4 ssh 192.168.0.7 这样就实现无密码登陆
1 本机创建ssh密钥
debian:~# ssh-keygen
2 拷贝密钥到“被登陆机”输入密码，
debian:~/.ssh#scp id_rsa.pub 192.168.0.7:~/.ssh/
3 ssh到“被登陆机”把密钥改成 “authorized_keys”
debian:~/.ssh# mv id_rsa.pub authorized_keys
4 ssh 192.168.0.7 这样就实现无密码登陆
还有公钥和密钥的区别
HI，key本来就有公钥跟私钥的区别的