Content Comparison

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• Boot into BIOS

• Boot from the disk you installed linux on

• If you don't get a grub menu automatically on boot, connect a keyboard to the bedrock and hold the 'shift' key right after boot

  • If you dont get the grub menu after pressing shift, connect a keyboard to the device and pres hold shift on the connected keyboard when booting

• In the grub menu choose:

  • Advanced options for Ubuntu

  • Select the line that says recovery mode

  • Press ’e’

  • In the line that says: linux        /boot/vmlinuz-5.15.0-43-generic root=UUID=4c58e5aa-6443-4fb2-84e7-4ac2265a7b9e ro recovery nomodeset dis_ucode_ldr

  • Add the console parameters to grub after the ‘ro’ parameter

    • from this:

    • linux /boot/vmlinuz-6.2.0-27-generic root=UUID=1dfc1a94-6289-4b15-9f4f-0fb36c083841 ro

    • to this:

    • ro console=tty1 console=ttyS4,115200n8 systemd.wants=getty@ttyS4.service quiet

    • Press ctrl+x to boot

• Type to enable the ttyS4 service automatically when you boot: systemctl enable getty@ttyS4

• edit grub config file: nano /etc/default/grub

  • add the console redirection to the grub default options (same as above):
    on line: GRUB_CMDLINE_LINUX_DEFAULT add the following

    Code Block
    GRUB_CMDLINE_LINUX_DEFAULT="quiet console=tty1 console=ttyS4,115200n8"

  • save the file and run: update-grub

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