How To Disable Framebuffer in Debian Linux
There are potentially three stages in Linux boot process where framebuffer usage is possible:
- GRUB dialog.
- Kernel boot messages.
- The console with login prompt that follows after booting is complete.
To change GRUB dialog from framebuffer to text console, in
There are also
GRUB_TERMINAL_OUTPUT is set to
appear to be ignored. I think
whether framebuffer is used for kernel boot messages, but
GRUB_TERMINAL_OUTPUT=console seems to override it at least by default.
To disable framebuffer after boot is complete and use plain text console,
nomodeset to the Linux command line, e.g.:
update-grub after changing