Bedrock V3000 lacks an integrated display adapter. Consequently, to install Ubuntu, users must connect Bedrock to a host PC using a console, facilitated by serial over USB.

This document describes Ubuntu installation process on Bedrock V3000.

Table of Contents

• Test Setup

• Installation Process

  • Creating a Bootable USB Drive

  • Connecting to Serial Console

  • BIOS Boot select

  • Configuring Grub

  • Live USB Settings

  • Enable ttyS4 Service

Test setup

This installation process has been validated by SolidRun with the following configurations:

• Ubuntu versions:

  • Ubuntu server 22.04

  • Ubuntu server 23.04

  • Ubuntu server 24.04

• Terminal software:

  • Putty

• USB flash disk: Kingston Data Traveler

Installation process
Creating bootable USB drive

Please follow instructions at https://solidrun.atlassian.net/l/cp/m9Reo11r

Connecting serial console

Please follow instructions at Using serial console with Bedrock V3000

BIOS Boot select

You need to choose your USB bootable device to start the installation.

• Insert the USB media to the device

• Turn on Bedrock

• Repetitively press the DEL / ESC key to enter the BIOS setup

• In BIOS go to -> Save & Exit -> <your bootable USB device> -> yes

• Device will reset and a grub menu screen will appear

  • If you dont see a grub menu, reboot and press the “arrow down” key repetitively right after you pressed enter to boot from BIOS

Configure grub

At the grub menu (displaying "try or install Ubuntu"),Press ‘e’ to set the boot parameters.

• You'll encounter a window resembling:

  setparams 'Install Ubuntu Server' set gfxpayload=keep linux        /casper/vmlinuz   quiet  ---  initrd        /casper/initrd

• Remove the quiet parameter and change the entry that starts with ‘linux’ to look as follows:

• linux /casper/vmlinuz console=tty1 console=ttyS4,115200n8 systemd.wants=serial-getty@ttyS4 —

• Wait for the live USB to boot

Live USB settings

• After live USB boots

• Run sudo subiquity

  • NOTE: On newer Ubuntu versions the installer might run automatically, so you can skip this step.

• If you see a “waiting for cloud init” message, wait until it times out and opens the installer (could take some time since some services should finish starting in the background).

• Proceed with your preferred installation settings and await completion

• Wait until installation is complete

• When prompted, remove the installation media and press enter

• Device will be rebooted

Enable ttyS4 service

Enable the ttyS4 console to be able to interact with the system.

• Boot into BIOS

• Boot from the disk you installed linux on

• If you don't get a grub menu automatically, press the “arrow down” key repetitively right after you pressed enter to boot from BIOS

  • If you dont get the grub menu after pressing shift, connect a keyboard to the device and 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:

      • Note: if you want to see the boot logs remove the quiet argumentPress ctrl+x to boot

• Type to enable the ttyS4 service automatically when you boot: systemctl enable serial-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

  • save the file and run: update-grub