在本地运行 git bash(windows)
ssh-keygen -t rsa -C "xxx@qq.com"一路回车
Your identification has been saved in /root/.ssh/id_rsa.
Your public key has been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:/k7eBzEwIUHIjhq09GBEkoRMLKKbCV4XzyhHJ3ffsj0 vansenb@foxmail.com
The key's randomart image is:
+---[RSA 3072]----+
|%O o o+... |
|O+. .++o oo |
|= ..+O.. .o. |
|o o.+oo +o. |
|o+. + S +o |
|+. . ..E |
| . . .. |
| + . . |
| .+ .. |
+----[SHA256]-----+查看密钥文件
cat ~/.ssh/id_rsa.pub从 ssh-rsa 开始，直到集体标识完结，全副复制
登陆到服务器 (linux)，将公钥写入文件
cd ~/.ssh && vim authorized_keys应用 vim 编辑器关上文件后按 i 键进入编辑模式，应用键盘快捷键 Ctr V 粘贴方才复制的公钥字符串。接着按 ESC 键进入 vim 编辑器的命令行模式，输出 :wq 并回车。
免密登陆
ssh root@10.1.1.1第一次登陆提醒
The authenticity of host '10.1.1.1 (10.1.1.1)' can't be established.
ECDSA key fingerprint is SHA256:nGvmS+JKzQf1gG+Nzc0QN/qS6xSp1iV0rJFP1dILel4.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes输出 yes 即可
Warning: Permanently added '10.1.1.1' (ECDSA) to the list of known hosts.
Last login: Wed Dec 23 21:43:28 2020 from 111.94.33.65
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