树莓派、Ubuntu相关问题汇总

1. 树莓派安装Ubuntu Server后，每次开机卡在“A start job is running for wait for network to be Configured”

开机卡在网络配置

此时应该正在配置必选的网络，可能是有线也可能是无线

修改/etc/netplan/50-cloud-init.yaml，将所有可能的网络类型都设置为可选【optional: true】，而非必选

# 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
    ethernets:
        renderer: networkd
        eth0:
            dhcp4: true
            optional: true
    wifis:
        renderer: networkd
        wlan0:
            access-points:
                Xiaomi_19DE:
                    password: 212ab2fc321ef91189d7858a8a4bc589af7ea380be6764b1d0078291467ca4f9
            dhcp4: true
            optional: true