Prefer to see what’s actually happening in the background when your CentOS Linux is booting up?
Edit /etc/default/grub with your favourite editor, such as nano or vi.
[andy@av ~]# cat /etc/default/grub
GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"...
Prefer to see what’s actually happening in the background when Ubuntu Desktop Linux booting up?
Wait for Ubuntu to boot, then login and start a Terminal application
Edit /etc/default/grub as root, for example: sudo nano /etc/default/grub
Remove splash from GRUB_CMDLINE_LINUX_DEFAULT