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一、Git连接github:
先配置
ssh
1. 设置Git的user name和email：
git config --global user.name "用户名"
git config --global user.email "注册邮箱"
2. 生成SSH密钥:
(1). 生成新的Key：
ssh-keygen -t rsa -C "注册邮箱"
root@H2o2:~# ssh-keygen -t rsa -C "注册邮箱"
输出:
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa): # 直接回车，不要修改默认路径
Enter passphrase (empty for no passphrase): # 设置一个密码短语，在每次远程操作之前会要求输入密码短语！闲麻烦可以直接回车，不设置
Enter same passphrase again:
Your identification has been saved in /root/.ssh/id_rsa. # 成功
Your public key has been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
...
3. 提交公钥
打开
.ssh文件，这个文件是隐藏的，需要查看隐藏文件,以Linux为例:
root@H2o2:~# cd ~/.ssh
root@H2o2:~/.ssh# ls
id_rsa id_rsa.pub known_hosts
id_rsa.pub为公钥，用编辑器打开，复制里面的公钥
root@H2o2:~/.ssh# cat ./id_rsa.pub # 查看 id_rsa.pub 的内容
...
打开
Github.com，找到Settings--->SSH and GPG keys--->New SSH Key。Title随便写，id_rsa.pub内容粘贴到Key
4.连接测试
ssh git@github.com
root@H2o2:~# ssh git@github.com
The authenticity of host 'github.com (13.229.188.59)' can't be established.
RSA key fingerprint is SHA256:显示你的key.
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.
PTY allocation request failed on channel 0
Hi 用户名! You've successfully authenticated, but GitHub does not provide shell access.
Connection to github.com closed.
# 密钥名非 id_rsa 使用选项 -i
> ssh git@github.com -i ~/.ssh/id_github_rsa
