---
tags: 隨手筆記
---
# About Github
contributed by < `tl32rodan` >

## SSH setting:
* Question:
* 在 push/pull 時, 總是要輸入使用者帳號密碼
* `git clone git://...` 的 repositories 沒辦法更新
* 在 [github setting 中加入 ssh keys](https://docs.github.com/en/github/authenticating-to-github/connecting-to-github-with-ssh) 後, 輸入 `ssh -T [e-mail]` 仍然沒反應

* Solving process:
* 先嘗試過重新加入 ssh keys 到 github setting, 但仍然無用
* 發現之前設定 ssh server 時[改過 port 22 為其他](http://linux.vbird.org/linux_server/0310telnetssh.php#ssh_port), 所以 把 port 22 新增回來並執行 `service ssh restart`
* 結果：仍然無效
* 最後參考了[這篇 github 官方文件](https://docs.github.com/en/github/authenticating-to-github/using-ssh-over-the-https-port), 才成功解決
* 步驟說明：
* *Step 1*: 測試 ssh over HTTPS port 可行
* 執行 `$ ssh -T -p 443 [e-mail]`
* 若跳出以下 message 則代表可以～
> Hi username! You've successfully authenticated, but GitHub does
> not provide shell access.

* 如果不行, 請參考[Trouble Shooting Guide](https://docs.github.com/en/articles/error-permission-denied-publickey)
* *Step 2*: 啟用 SSH 連線 over HTTPS
* 文件原話是這麼說的:
> If you are able to SSH into [e-mail] over port 443, you can override your SSH settings to force any connection to GitHub to run though that server and port.
* 總之上面 *step 1* 如果可以執行, 就可以繼續
* 執行 `$ touch ~/.ssh/config` 並以你習慣的編輯器打開 `~/.ssh/config` , 再貼上:

                    Host github.com
                      Hostname ssh.github.com
                      Port 443

* 再一次測試 `$ ssh -T [e-mail]`
* 結果應該如下:
> Hi username! You've successfully authenticated, but GitHub does
> not provide shell access.
:::success
另外, 也可以參考使[用 https 來 clone 並暫存使用者名稱](https://docs.github.com/en/github/using-git/caching-your-github-credentials-in-git)的說明
:::