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33 lines
1.4 KiB
Text
33 lines
1.4 KiB
Text
[[setting-password-for-interactive-edit-mode]]
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= Setting a password for interactive edit mode
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If you wish to protect the *GRUB2* interactive edit mode with a password, but allow ordinary users to boot the computer, you have to create a definition file where you set up this functionality:
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.Procedure
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. Create the `/etc/grub.d/01_users` file and write the following lines into the file.
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+
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----
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set superusers="root"
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export superusers
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password root <password>
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----
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. Regenerate the *GRUB2* configuration file and reinstall the bootloader into the MBR, as described in xref:adding-other-operating-systems-grub2[Adding other operating systems to the *GRUB2* menu].
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.More information
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You can encrypt the password by using *pbkdf2*. Use `grub2-mkpasswd-pbkdf2` to encrypt the password, then replace the password line with:
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----
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password_pbkdf2 root grub.pbkdf2.sha512.10000.1B4BD9B60DE889A4C50AA9458C4044CBE129C9607B6231783F7E4E7191D8254C0732F4255178E2677BBE27D03186E44815EEFBAD82737D81C87F5D24313DDDE7.E9AEB53A46A16F30735E2558100D8340049A719474AEEE7E3F44C9C5201E2CA82221DCF2A12C39112A701292BF4AA071EB13E5EC8C8C84CC4B1A83304EA10F74
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----
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More details can be found at https://help.ubuntu.com/community/Grub2/Passwords[Ubuntu Help: GRUB2 Passwords].
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[NOTE]
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====
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Starting from Fedora 21, the `--md5pass` kickstart option must be used when using the `grub2-mkpasswd-pbkdf2` command.
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====
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