How to password-protect the GRUB2 boot menu in RHEL 7 and above
Issue
- How to password-protect boot menu in RHEL 7 or RHEL 8 or RHEL 9?
- How to enforce a password for the single user mode?
- How to prevent user from getting into single-user mode or runlevel 1 without a password?
- Goal: a Red Hat Enterprise Linux 7 or 8 or 9 system that requires manual entry of a bootloader password in order to modify kernel parameters. System can boot kernel without the entry of password if no kernel parameters modification
Environment
- Red Hat Enterprise Linux 7 and later
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