安裝 ubuntu on Raspberry Pi

This is cheatsheet on installing ubuntu on Raspberry Pi.

1. download and flash to SD card

Visit ubuntu and download.

2. boot up and update

sudo apt update && sudo apt upgrade

3. configure wifi

3-1 which name?

usually wlan0. To find out:

ls /sys/class/net

3-2 netplan config

sudo vi /etc/netplan/50-cloud-init.yaml

Add the wifi section:

# This file is generated from information provided by the datasource.  Changes
# to it will not persist across an instance reboot.  To disable cloud-init's
# network configuration capabilities, write a file
# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
# network: {config: disabled}
network:
    ethernets:
        eth0:
            dhcp4: true
            optional: true
    version: 2
    wifis:
        wlan0:
            optional: true
            access-points:
                "SSID-NAME-HERE":
                    password: "PASSWORD-HERE"
            dhcp4: true

3-3 Apply the update

sudo netplan apply

3-4 Check it out

ip a

SSH access / lock down

sudo apt install openssh-server

or you just need to connect with ip or correct host name

Be sure to lock it down with key or some sort.

change hostname

sudo hostnamectl set-hostname newhostname

Update/append:

192.168.x.x	newhostname

apply change

hostnamectl

mount usb

sudo lsblk -o model,name,fstype,size,label,mountpoint