SSH无密码(密钥验证)登陆的配置

进入到个人home目录 cd ~/.ssh  ssh

[root@shtppATTSTPUBv03 home]# cd ~/.ssh
[root@shtppATTSTPUBv03 .ssh]# pwd
/root/.ssh

ssh-keygen -t rsa (四个回车)spa

执行完这个命令后,会生成两个文件id_rsa(私钥)、id_rsa.pub(公钥)code

[root@shtppATTSTPUBv03 .ssh]# ll
total 16
-rw------- 1 root root  403 May 20 15:55 authorized_keys
-rw------- 1 root root 1675 May 20 15:56 id_rsa
-rw-r--r-- 1 root root  403 May 20 15:56 id_rsa.pub
-rw-r--r-- 1 root root 1085 May 20 16:32 known_hosts
[root@shtppATTSTPUBv03 .ssh]# 

将公钥拷贝到要免登录的机器上: ssh-copy-id localhostblog

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