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GRUB 2

Edit config

It’s in the /etc/defualt/

To update

  • update-grub or update-grub2
    • Or do it manually grub-mkconfig

See the init boot procsse right from grub

cat /proc/cmdline

dmesg | head

To chekc grub paramaters use 

 man bootparam

Seting up the arguents

It’s in the /etc/defualt/grub 1. Open the file /etc/default/grub with an editor and remove the rhgb and quiet options from the GRUB_CMDLINE_LINUX line. 3. From the command line, type grub2-mkconfig -o /boot/grub2/grub.cfg 4. Reboot and verify that while booting you see boot messages scrolling by.

  • The most important line in this file is GRUB_CMDLINE_LINUX which defines how the Linux kernel should be started. In this line, you can apply permanent fixes to the GRUB 2 configuration.

boot procces