About #(echo linux;echo linux)|grub-md5-crypt Excuse me, how to correct the appeared warning message?
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Use this :
<pre class="c" name="code">(echo linux;echo linux)|grub-md5-crypt 2>/dev/null
Thanks so much, excellent! But I am still eager to know why the original error message happened. How to make it be solved instead of just filter it.
The grub-md5-crypt wants you input password by keying, not pipe from STDIN. Hence warning you when you do that.
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