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Homebrewインストール時のPermissionエラーの解決策

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事例

  • homebrewインストール時に以下のエラーが発生
  • 特定のディレクトリの権限がないため、インストールを実行できない状況
  • 原因はMacのセキュリティ設定SIP(System Integrity Protection)
  • 解決策はリカバリーモードからの設定変更
Error: Permission denied @ rb_sysopen - /private/tmp/github_api_headers20191122-3671-ig1yym
Error: Failure while executing; `/usr/local/bin/brew tap homebrew/core` exited with 1.
Failed during: /usr/local/bin/brew update --force

出典

初心者向け MacでOperation not permittedの解決方法

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