Tutorial
November 3, 2023

RaspberryPi Ubuntu 22.04 sets the static IP address

Environment


Steps

Check IP (net-tools need to be installed first)

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# If you do not have net-tools installed, use command below to install
sudo apt install net-tools

# Check IP
ifconfig
# Or
ip addr

Check Gateway (查看网关)

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route -n

Check DNS

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nslookup hcos
# Or
sudo cat /etc/resolv.conf

Modify netplan YAML file to set static IP address

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

YAML file under netplan will vary based on your situation which means on my machine it is called 50-cloud.init.yaml does not mean it will have the same name on your machine.

Original netplan yaml file

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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:
    version: 2
    wifis:
        renderer: networkd
        wlan0:
            access-points:
                FBI:
                    password: Encrypt Wifi Password
            dhcp4: true
            optional: true

Updated netplan yaml file

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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:
    version: 2
    wifis:
        renderer: networkd
        wlan0:
            access-points:
                FBI:
                    password: Encrypt Wifi Password
            addresses:
              - 192.168.31.47/24
            routes: 
              - to: default
                via: 192.168.31.1
            nameservers:
              addresses: [192.168.31.1,8.8.8.8]
            dhcp4: false
            optional: true

Nameservers addresses

You can use the following 2 free DNS server IP addresses or whatever you like.

  • 8.8.8.8：Google free DNS server IP address

  • 144.144.144.144: China Telecom free DNS server IP address

192.168.31.1: My router IP address

Apply Changes for the new net plan

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sudo netplan apply

Check the updated interface IP address

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ip addr show wlan0

Check default route

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ip route show

If everything works fine, reboot the system.

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sudo reboot


Error Solution

** (generate:155256): WARNING **: 00:51:57.891: Permissions for /etc/netplan/00-installer-config.yaml are too open. Netplan configuration should NOT be accessible by others.

Change the netplan yaml file privilege.

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sudo chmod 600 /etc/netplan/your_config_file.yaml

WARNING:root: Cannot call Open vSwitch: ovsdb-server.service is not running.

Since netplan apply says ovsdb-server.service is not running, then I installed this openvswitch

Also, I am running a Ubuntu server in Raspberry Pi, so I need to install extra libs.

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# run this first
$ sudo apt-get install linux-modules-extra-raspi
# run this then
$ sudo apt-get install openvswitch-switch-dpdk

After the installation is complete, no annoying WARNING shows again:

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$ sudo netplan try
$ sudo netplan apply

Till now it works fine for me.



Reference

About this Post

This post is written by Andy, licensed under CC BY-NC 4.0.

#Ubuntu#RaspberryPi