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ssh-keygen -t rsa |
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cd .ssh cat id_rsa.pub >> authorized_keys 如果是root账号给644,普通账户给600 chmod 644 authorized_keys chmod 700 .ssh 然后将公钥拷贝到其他机器 cd .ssh ssh-copy-id [目标机器] #然后登陆 ssh [目标机器] |
也可以用私钥在其他机器登录到这台机器，私钥免密config配置
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同样是在.ssh中配置,如果没有config文件请新建,权限给600 vim config HostName 192.168.6.121 User root Port 22 IdentityFile ~/.ssh/id_rsa IdentitiesOnly yes HostName 192.168.6.122 User root Port 22 IdentityFile ~/.ssh/id_rsa IdentitiesOnly yes HostName 192.168.6.123 User root Port 22 IdentityFile ~/.ssh/id_rsa IdentitiesOnly yes |
新版本config写法(新版是config文件)
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vim config |
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Host 192.168.0.205 HostName 192.168.0.205 User root Port 22 IdentityFile ~/.ssh/id_rsa IdentitiesOnly yes Host 192.168.0.212 HostName 192.168.0.212 User root Port 22 IdentityFile ~/.ssh/id_rsa IdentitiesOnly yes Host 192.168.0.206 HostName 192.168.0.206 User root Port 22 IdentityFile ~/.ssh/id_rsa IdentitiesOnly yes |
保存后赋予600权限
然后使用ssh [ip] 免密登录
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这个作者貌似有点懒，什么都没有留下。