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

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sudo apt update && sudo apt upgrade

3. configure wifi

3-1 which name?

usually wlan0. To find out:

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ls /sys/class/net

3-2 netplan config

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

Add the wifi section:

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# 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

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sudo netplan apply

3-4 Check it out

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ip a

SSH access / lock down

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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

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sudo hostnamectl set-hostname newhostname

Update/append:

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192.168.x.x	newhostname

apply change

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hostnamectl

mount usb

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