我的環境是阿里云centos7。

1、生成ssh-key，填入自己的郵箱

ssh-keygen -t rsa -C "xxxxxx@126.com"

2、進入ssh目錄

cd ~/.ssh

3、查看文件

ls

會看到列舉出了有id_rsa、id_rsa.pub。
4、復制一下id_rsa.pub文件內容

cat id_rsa.pub

5、打開github中的SSH and GPS keys選項，新增SSH key，添加完成需要再次輸入github密碼驗證。
6、在自己的終端測試一下吧，使用ssh -T git@github.com

[root@iZuf60c5nb7ulqwzl2jwbsZ .ssh]# ssh -T git@github.com The authenticity of host 'github.com (13.229.188.59)' can't be established. RSA key fingerprint is SHA256:nThbg6kXUpJWGl7E1IGOCspRomTxdCARLviKw6E5SY8. RSA key fingerprint is MD5:16:27:ac:a5:76:28:2d:36:63:1b:56:4d:eb:df:a6:48. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added 'github.com,13.229.188.59' (RSA) to the list of known hosts. Hi solocao! You've successfully authenticated, but GitHub does not provide shell access. [root@iZuf60c5nb7ulqwzl2jwbsZ .ssh]# ssh -T git@github.com Warning: Permanently added the RSA host key for IP address '13.250.177.223' to the list of known hosts. Hi solocao! You've successfully authenticated, but GitHub does not provide shell access.

總結

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