Having startup messages on virtual tty (monitor) AND serial console
Yes, specify console=
twice in the kernel command line.
GRUB_CMDLINE_LINUX="console=tty0 console=ttyS0,115200n8"
Yes, specify console=
twice in the kernel command line.
GRUB_CMDLINE_LINUX="console=tty0 console=ttyS0,115200n8"