How do I permanently modify the kernel command line?
Issue
- Red Hat Enterprise Linux 7 , RHEL8 & RHEL 9 has a boot loader (GRUB2) that differs from GRUB in RHEL5 and RHEL6.
- How do I modify the kernel command line (and, thus, kernel boot parameters) in Red Hat Enterprise Linux 7/8/9 with GRUB2 installed as a boot loader?
Environment
- Red Hat Enterprise Linux (RHEL) 7, 8 and 9
- GRUB2 boot loader
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