Shulou(Shulou.com)05/31 Report--

This article introduces the relevant knowledge of "how to set grub password and single user login in centos7". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

one。 Set grub encryption

1. Use the grub2-mkpasswd-pbkdf2 command to create ciphertext (save and remember the password you set)

two。 At the end of the / etc/grub.d/00_header file, add the following (root is the user name used for single user login, and the third line of root is followed by the encrypted ciphertext obtained in the previous step. Note that root and ciphertext are separated by spaces rather than newline characters)

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