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ssh 複数アカウント設定

Last updated at Posted at 2017-07-16

環境 MacOS

鍵の生成

$ cd ~/.ssh/
$ ssh-keygen -t rsa -C '[メールアドレス]' -f ~/.ssh/id_rsa_[ファイル名]

# 例
# - 個人のGitHub
$ ssh-keygen -t rsa -C 'mail@gmail.com' -f ~/.ssh/id_rsa_github

# - 会社のGitHub
$ ssh-keygen -t rsa -C 'mail@gmail.com' -f ~/.ssh/id_rsa_github_company

# - 個人のGitLab
$ ssh-keygen -t rsa -C 'mail@gmail.com' -f ~/.ssh/id_rsa_gitlab_private

# - 会社のGitLab
$ ssh-keygen -t rsa -C 'mail@gmail.com' -f ~/.ssh/id_rsa_gitlab_company

公開鍵をコピーする

pbcopy < ~/.ssh/id_rsa_[ファイル名].pub

# 例
pbcopy < ~/.ssh/id_rsa_github.pub
pbcopy < ~/.ssh/id_rsa_github_company.pub
pbcopy < ~/.ssh/id_rsa_gitlab_private.pub
pbcopy < ~/.ssh/id_rsa_gitlab_company.pub

設定ファイルでHostを設定する

設定ファイルの場所👇。存在しない場合は新規作成する

~/.ssh/config

設定ファイルに追加する

~/.ssh/config
Host [ホスト名]
  HostName [サービスのドメイン or IPアドレス]
  User [ユーザー名: GitHubの場合は`git`、 Bitbucketの場合はアカウントのユーザ名(ユーザ名が`hello`の場合`hello`)]
  Port 22
  IdentityFile [秘密鍵の場所]
  IdentitiesOnly yes

# 例 個人GitHubの場合
Host github.com
  HostName github.com
  User git
  Port 22
  IdentityFile ~/.ssh/id_rsa_github
  IdentitiesOnly yes

# 例 会社GitHubの場合
Host github.com.company
  HostName github.com
  User git
  Port 22
  IdentityFile ~/.ssh/id_rsa_github_company
  IdentitiesOnly yes

# 例 個人GitLabの場合
Host gitlab.com
  HostName gitlab.com
  User git
  Port 22
  IdentityFile ~/.ssh/id_rsa_gitlab_private
  IdentitiesOnly yes

# 例 会社GitLabの場合
Host git.company.co.jp
  HostName git.company.co.jp
  User git
  Port 2233
  IdentityFile ~/.ssh/id_rsa_gitlab_company
  IdentitiesOnly yes

接続確認

アカウントにssh接続できるか確認する

$ ssh -T [ホスト名]

# 例
# - 個人のGitHub
$ ssh -T github.com
# Hi[username]! You've successfully authenticated, but GitHub does not provide shell access.

# - 会社のGitHub
$ ssh -T github.com.company
# Hi[username]! You've successfully authenticated, but GitHub does not provide shell access.

# - 個人のGitLab
$ ssh -T gitlab.com
# Welcome to GitLab,[username]!

# - 会社のGitLab
$ ssh -T git.company.co.jp
# Welcome to GitLab,[username]!

リポジトリにアクセス

git@[ホスト名」:「サービスのユーザ名]/hello.git

# 例
# - 個人のGitHub
git@github.com:username/hello.git

# - 会社のGitHub
git@github.com.company:username/hello.git

# - 個人のGitLab
git@gitlab.com:username/hello.git

# - 会社のGitLab
git@git.company.co.jp:username/hello.git
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