
ssh-copy-id 命令来自英文词组 ssh copy id,其功能是将本地生成的 SSH 公钥信息复制到远程主机。通常情况下,运维人员会先使用 ssh-keygen 命令生成 SSH 密钥对(公钥/私钥)文件,随后使用 ssh-copy-id 命令将公钥文件复制到远程主机上,这样操作后,再进行远程 SSH访问时将无须进行账号密码验证,而是通过密钥方式登录。
1.命令格式:
ssh-copy-id 参数 域名或 IP 地址2.常用参数:
-f 强制复制而不询问-n 仅测试,而不实际操作-i 设置公钥文件路径-p 设置使用的端口号
将 SSH 公钥文件复制到远程主机:
[root@linuxcool ~]# ssh-copy-id 192.168.10.10The authenticity of host '192.168.10.10 (192.168.10.10)' can't be established.ECDSA key fingerprint is SHA256:212/FhZ+6JFs5psuMJx9+5alyW6QDzviE0miulDPiKk.Are you sure you want to continue connecting (yes/no)? yes/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out anythat are already installed/usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now itis to install the new keysroot@192.168.10.10's password: 此处输入远程主机管理员密码Number of key(s) added: 1Now try logging into the machine, with: "ssh '192.168.10.10'"and check to make sure that only the key(s) you wanted were added.




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