Table of Contents
1 /etc/default/grub
Change /etc/default/grub as below.
- Change GRUB terminal to console and serial. This will provide one GRUB to a monitor display and serial console.
- Change linux kernel console to tty1 and ttyS0.
cat <<EOF | sudo tee /etc/default/grubGRUB_DEFAULT=0GRUB_TIMEOUT=1GRUB_DISTRIBUTOR=”Arch”GRUB_CMDLINE_LINUX_DEFAULT=””GRUB_CMDLINE_LINUX=”console=tty1 console=ttyS0,115200″GRUB_PRELOAD_MODULES=”part_gpt part_msdos”GRUB_TERMINAL=”console serial”GRUB_SERIAL_COMMAND=”serial –speed=115200 –unit=0 –word=8 –parity=no –stop=1″GRUB_DISABLE_LINUX_UUID=trueGRUB_DISABLE_RECOVERY=trueEOF
2 grub-mkconfig
Update /boot/grub/grub.cfg with grub-mkconfig.
$ sudo grub-mkconfig -o /boot/grub/grub.cfgGenerating grub configuration file …Found linux image: /boot/vmlinuz-linuxFound initrd image: /boot/initramfs-linux.imgFound fallback initramfs image: /boot/initramfs-linux-fallback.imgdone
Reboot ArchLinux.
$ sudo reboot
3 Execution result
GRUB to monitor display is as below.
GRUB to serial console is as below. This article used “sudo virsh console <vmname>” for connecting serial console.
Login prompt to display is as below.
Login prompt to serial console is as below.
