Install linux without gpu (new version)

Tested versions:

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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

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• Terminal software:

  • Tio

  • Putty

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• USB flash disk:

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• Kingston datatraveler usb thumb drive

On your PC:

Create bootable usb drive:

• download a linux 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

• In shell 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.

• 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.

On

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Bedrock

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BIOS settings

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You need to enable some configurations in bios BIOS before we start starting the installation:.

• Insert the usb USB media to the device

• Turn on Bedrock

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

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

• Device will reset and a grub screen will appear

Configure grub

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A grub menu will appear saying try or install ubuntu, on this entry press Ubuntu. Press ‘e’ to set the boot parameters.

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• 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 USB to boot

Live USB settings

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After live usb USB boots run the following services (check if I can drop some of them) :
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 ModemManager.service
sudo systemctl start snap.lxd.daemon.service

• run the installer program: Sudo subiquity –serial

• wait for 10 minutes until the 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

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Now you need to 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 on boot hold the shift key

• 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        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

• Boot Linux in normal mode