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リモートで ssh を使用して sudo コマンドを実行しようとすると、tty エラーになる理由

Solution Verified - Updated -

Issue

  • ssh を使用してリモートで sudo コマンドをリモートで実行しようとするとエラーになります。たとえば、次のようになります。

    $ ssh hostname sudo <command> 
$ sudo: sorry, you must have a tty to run sudo

Environment

Red Hat Enterprise Linux 5

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