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備忘録:/etc/shadow を直接変更する

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Linux NAS 箱などの /etc/shadow に保存されているパスワードがわからくなったときの手段。

  1. HDD を取り外して Linux (PC) に接続 (mount)
  2. python3 でハッシュを作る
  3. mount したパーティションにある /etc/shadow を編集

python3 によるパスワード ハッシュ生成

$ python3
>>> import crypt
>>> crypt.crypt('<password>', crypt.mksalt())
'$.$..$...'
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