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Bedrock V3000 does not have a display, so Ubuntu installation requires connecting Bedrock to a host PC using a console (serial over USB).

This document describes Ubuntu installation process on Bedrock V3000.

Test setup

The installation was validated at SolidRun using the following setup:

  • Ubuntu versions: Ubuntu server 22.04.1

  • Terminal software:

    • Putty

    • Alternatively, Tio can also be used.
      known Tio limitation: in BIOS, the currently selected option is the same color as the background which makes it not visible.

  • USB flash disk: Kingston Data Traveler

Installation process

Creating bootable USB drive

This step takes place on a host PC running Linux.

  • download Ubuntu server .iso file

  • Connect a USB thumb drive to your pc

  • Run command: 
    lsblk

  • Identify your drive (usually /dev/sdX, X can be different for each system) 

    • NOTE: SATA HDDs & SSDs also identify as sdX so be careful not to corrupt your data.

  • Run command:
    sudo dd if=${path/to/iso/file.iso} of=/dev/sdX status=progress

  • Wait until dd finishes and safely eject the USB drive.

Connecting serial console

Please follow instructions at Using serial console with Bedrock V3000

BIOS settings

You need to enable some configurations in BIOS before starting 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 screen will appear

Configure grub

A grub menu will appear saying try or install Ubuntu. Press ‘e’ to set the boot parameters.

  • You will be prompted with a window like this:

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

  • Remove the quiet parameter and change the entry as follows:
    linux /casper/vmlinuz console=tty1 console=ttyS4,115200n8 systemd.unit=getty@ttyS4.service —

  • Wait for the live USB to boot

Live USB settings

After live USB boots run the following services :
sudo systemctl start snapd
sudo systemctl start snapd.socket
sudo systemctl start snapd.seeded
sudo systemctl start snapd.apparmor
sudo systemctl start snapd.core-fixup
sudo systemctl start snapd.autoimport
sudo systemctl start systemd-resolved
sudo systemctl start snapd.system-shutdown
sudo systemctl start cloud-init
sudo systemctl start cloud-init-local
sudo systemctl start systemd-rfkill.service
sudo systemctl start systemd-networkd.service
sudo systemctl start ssh.service
sudo systemctl start snap.lxd.daemon.service

  • run the installer program: Sudo subiquity

  • wait for 10 minutes until cloud-init runs out

  • Choose your selected settings for installation

  • Wait until installation is complete.

  • you will be asked to 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 on boot, hold the shift key

    • If you dont get the grub menu after pressing shift, connect a keyboard to the divice and pres shift on the connected keyboard.

  • 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 redirection:

      • linux /boot/vmlinuz-5.15.0-43-generic root=UUID=4c58e5aa-6443-4fb2-84e7-4ac2265a7b9e ro console=tty1 console=ttyS4,115200n8 recovery nomodeset dis_ucode_ldr

      • Press ctrl+x to boot

  • Choose Root (drop into shell)

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

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

    • add the console redirection to the grub default options:
      on line: GRUB_CMDLINE_LINUX_DEFAULTadd the following

      GRUB_CMDLINE_LINUX_DEFAULT="quiet splash console=tty1 console=ttyS4,115200n8 usbcore.autosuspend=-1"

      the usbcore.autosuspend=-1argument is used to enable all 4 of the usb ports.

    • save the file and run: update-grub

  • Boot Linux in normal mode

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