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ODROID

Quick start​

Ubuntu 18.04​

SD card preparation​

  • Download and install a flash program: Etcher (for example balenaEtcher-Setup-1.5.101.exe on Windows 10)
  • Download an image of Ubuntu minimal: 20190910-minimal (for example ubuntu-18.04.3-4.14-minimal-odroid-xu4-20190910.img)
  • Plug the SD card in your computer and flash it by selecting the downloaded image

Initial boot​

  • Insert the SD card in the board, plug a keyboard (USB) and a monitor (HDMI) then plug the power cable
  • After few seconds a login input will be needed (root/odroid)
  • If needed, update the keyboard layout
sudo vi /etc/default/keyboard
# update XKBLAYOUT to "fr" for a French keyboard
sudo reboot
  • Change server name (and add other server name resolution with their future IP 10.0.0.X)
sudo vi /etc/hostname
sudo vi /etc/hosts
sudo reboot
  • Installing a Wifi adapter can be tricky, in case of issue you can first plug an ethernet connection on USB (by sharing for example the internet connection from a mobile phone with an USB cable)
# Make sure the USB element is recognized
lsusb

# Update Ubuntu packages and distribution
sudo apt update
sudo apt upgrade
sudo apt dist-upgrade
sudo reboot
network:
  version: 2
  renderer: networkd
  ethernets:
    eth0:
      optional: true
      dhcp4: no
      addresses: [10.0.0.1/24]
  wifis:
    wlan0:
      optional: true
      dhcp4: no
      dhcp6: no
      addresses: [192.168.86.139/24]
      gateway4: 192.168.86.1
      nameservers:
      addresses: [8.8.8.8, 4.4.4.4]
      access-points:
        "mywifiname":
          password: "mypassword"
# Review Wifi configuration
iwconfig

# Look at available wifi networks
iwlist scan

# Enable network (multiple solutions)
ip link set wlan0 up # doesn't work on my config
nmtui

# Apply configuration change
sudo netplan apply

# Check IP
ip a
ping google.com

# If there are any issues, enable DHCP and disable it afterwards

# Look at services
systemctl list-unit-files | grep enabled

# Allow SSH in firewall
sudo apt install openssh-server
sudo apt install ufw
sudo ufw enable
sudo ufw allow ssh

# Check service status
sudo systemctl status ssh
sudo service ssh status

# Check opened ports
sudo netstat -plnt