我必须采取哪些步骤才能使用 SSH 持续推送到两个 Github 帐户? [英] What steps must I take to consistently push to two Github accounts using SSH?

问题描述

我承诺将 Github 用于工作和个人用途.在过去的两个月里，每次切换 github 上下文时，我总是遇到麻烦.每天晚上(和每天早上)我都会遇到这样的错误:推入或拉出 Github:

I commit to Github for work and for personal use. For the last two months I have consistently had trouble each and every time I switch github contexts. Every night (and every morning) I run into error's pushing to or pulling form Github like this:

ERROR: Permission to AlexanderBollbach/test.git denied to alexbollbach.
fatal: Could not read from remote repository.

Please make sure you have the correct access rights

如果我能让推/拉正常工作(通常是通过一些迂回的方式阅读关于 SSH/Github/Git 的 StackOverflow 帖子，但没有深入了解它们)，我在切换时立即再次遇到同样的问题从工作 Github 到家庭，反之亦然.

If I can get the pushing/pulling to work properly (usually through some circuitous path of reading StackOverflow posts about SSH/Github/Git and not understanding them in any depth), I immediately run into the same problems again when I switch from work Github to home or vice versa.

我注意到的唯一有趣的线索是，在 denied to alexbollbach 中，alexbollbach"是我的工作 Github 帐户用户名.嗯，这让我想到了~/.ssh/config，其内容是:

The only interesting clue I have noticed is that in denied to alexbollbach, "alexbollbach" is my work Github account username. hmm, this leads me to consider ~/.ssh/config, whose contents are:

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

Host github.com
 User git
Host helper
    HostName <work-domain-stuff>
    IdentityFile ~/.ssh/eng_rsa
    User eng

有人告诉我这个文件有助于配置 git 的 ssh 尝试.但是我仍然无法在这个文件和 git push 错误之间建立联系，认为我是alexbollbach.事实上，我不知道 ssh、我的密钥对和配置文件在任何意义上与 Github 用户的概念有何关联.

I was told that this file is instrumental in configuring git's ssh attempts. But I still cannot make the connection between this file and the git push error thinking that I am alexbollbach. In fact, I do not know how ssh, my key pairs, and the config file relate to the notion of Github user's in any sense.

请帮忙.最好不仅仅是修复，而是对我没有掌握的内容进行一些澄清.我通常每周至少两次花一个小时来解决这个问题.

Please help. Preferably not just a fix but some clarification on what i'm not grasping. I routinely spend an hour at least twice a week running into this issue.

推荐答案

在 Git 中链接远程仓库和不同 ssh 密钥的方式是通过远程 url.
像这样更改这些网址:

The way you link a remote repo and different ssh keys in Git is through the remote url.
Change those urls like so:

 cd /path/to/my/work/repo
 git remote set-url origin workgh:myWorkLogin/myWorkrepo.git

 cd /path/to/my/perso/repo
 git remote set-url origin persgh:myPersoLogin/myPersorepo.git

请参阅如何从已将 SSH 密钥添加到工作相关 GitHub 帐户的办公室计算机上处​​理个人 GitHub 存储库?"作为一个完整的例子.
您的 ~/.ssh/config 将为每个 url 引用正确的 ssh 密钥:

See "How to work on personal GitHub repo from office computer whose SSH key is already added to a work related GitHub account?" as a full example.
Your ~/.ssh/config will reference the right ssh key for each url:

# Personal GitHub
Host persgh
  HostName github.com
  User git
  IdentityFile ~/.ssh/id_rsa_perso

# Work GitHub
Host workgh
  HostName github.com
  User git
  IdentityFile ~/.ssh/id_rsa_work

不要使用github.com"作为主机":使用特殊名称作为主机键更明确，并表明这是一个 ssh url，您必须通过 <代码>~/.ssh/config 文件.

Don't use "github.com" as a "Host": using an special name for the Host key is more explicit and indicates this is an ssh url you have to resolve through a ~/.ssh/config file.

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