SSH连接GitHub账号

2019-10-19

Word count: 445 | Reading time≈ 2 min

简单介绍一下用SSH连接GitHub的流程参考链接

1. Mac环境下检查一下已存在的 SSH Keys

1	$ ls -al ~/.ssh

可能的keys：id_rsa.pub、id_ecdsa.pub、id_ed25519.pub

2. 生成新的 SSH keys

在Terminal中输入

1	$ ssh-keygen -t ed25519 -C "your_email@example.com"

如果不支持ed25519，可以用

1	$ ssh-keygen -t rsa -b 4096 -C "your_email@example.com"

生成一个新的ssh key，用邮箱作为label

1	> Generating public/private ed25519 key pair.

Press enter

1	> Enter a file in which to save the key (/Users/you/.ssh/id_ed25519): [Press enter]

可设置passphrase

1 2	> Enter passphrase (empty for no passphrase): [Type a passphrase] > Enter same passphrase again: [Type passphrase again]

3. 将 SSH keys加入ssh-agent

启动ssh-agent

1 2	$ eval "$(ssh-agent -s)" > Agent pid 59566

如果你是macOS Sierra 10.12.2或更高，需要修改~/.ssh/config文件，才能自动把keys加载到ssh-agent并在keychain中储存passphrases

1 2	$ open ~/.ssh/config > The file /Users/you/.ssh/config does not exist.

如果该文件不存在，创建该文件

1	$ touch ~/.ssh/config

如果你使用默认路径和命名，修改为如下内容

Host *
  AddKeysToAgent yes
  UseKeychain yes
  IdentityFile ~/.ssh/id_ed25519

将SSH私钥加入到ssh-agent，并在keychain中储存passphrase

1	$ ssh-add -K ~/.ssh/id_ed25519

4. 将 SSH key加入到 GitHub账号中

拷贝SSH公钥

1 2	$ pbcopy < ~/.ssh/id_ed25519.pub # Copies the contents of the id_ed25519.pub file to your clipboard

进入GitHub Settings => “SSH and GPG keys”，新建并添加新key

5. 测试连接

在Terminal中输入

1 2	$ ssh -T git@github.com # Attempts to ssh to GitHub

> The authenticity of host 'github.com (IP ADDRESS)' can't be established.
> RSA key fingerprint is SHA256:nThbg6kXUpJWGl7E1IGOCspRomTxdCARLviKw6E5SY8.
> Are you sure you want to continue connecting (yes/no)?
# print yes

1 2	> Hi username! You've successfully authenticated, but GitHub does not > provide shell access.

现在可进行关联远程仓库等操作

关联远程仓库

1	$ git remote add origin git@github.com:<username>/<repositoryName>.git

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