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刚刚在没有以太网连接器的平板电脑（Teknio EL2IN1-1102T）上安装了 Ubuntu Server 20.04。Netplan 未连接到 wifi

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刚刚在没有以太网连接器的平板电脑（Teknio EL2IN1-1102T）上安装了 Ubuntu Server 20.04。Netplan 未连接到 wifi

这是 Teknio EL2IN1-1102T。按照绿色复选标记的答案此主题仍然没有任何东西。ip a显示lo和wlan0，并且 wlan0 没有显示 IP（v4）地址。

$ lspci -knn | grep Net -A3
<no output>

$ cat /etc/network/interfaces
<no output>

$ cat /etc/netplan/*.yaml
# This is the network config written by 'subiquity'
network:
    version: 2

$ sudo lshw -C network
*-network DISABLED
    description: Wireless interface
    physical id: 1
    logical name: wlan0
    serial: a0:2c:36:ba:76:9c
    capabilities: ethernet physical wireless
    configuration: broadcast=yes driver=rtl8723bs multicast=yes wireless=unassociated

$ cat /etc/netplan/*.yaml
# This is the network config written by 'subiquity'
network:
    version: 2
    renderer: networkd
        wifis:
            wlan0:
                dhcp4: yes
                access-points:
                    "myaccesspoint":
                        password: "password"

$ sudo netplan --debug generate
** (generate:1292): DEBUG: 17:20:07.965: Processing input file /etc/netplan/00-installer-config.yaml..
** (generate:1292): DEBUG: 17:20:10.170: starting new processing pass
** (generate:1292): DEBUG: 17:20:10.171: wlan0: adding wifi AP 'MikroTik-4t0n10'
** (generate:1292): DEBUG: 17:20:10.171: We have some netdefs, pass them through a final round of validation
** (generate:1292): DEBUG: 17:20:10.171: wlan0: setting default backend to 1
** (generate:1292): DEBUG: 17:20:10.171: Configuration is valid
** (generate:1292): DEBUG: 17:20:10.173: Generating output files..
** (generate:1292): DEBUG: 17:20:10.173: Creating wpa_supplicant config
** (generate:1292): DEBUG: 17:20:10.173: wlan0: Creating wpa_supplicant configuration file run/netplan/wpa-wlan0.conf
** (generate:1292): DEBUG: 17:20:10.174: Creating wpa_supplicant unit /run/systemd/system/netplan-wpa-wlan0.service
   (generate:1292): GLib-DEBUG: 17:20:10.174: posix_spawn avoided (workdir specified) (fd close requested)
** (generate:1292): DEBUG: 17:20:10.197: Creating wpa_supplicant service enablement link /run/systemd/system/systemd-networkd.service.wants/netplan-wpa-wlan0.service
** (generate:1292): DEBUG: 17:20:10.198: NetworkManager: definition wlan0 is not for us (backend 1)
   (generate:1292): GLib-DEBUG: 17:20:10.199: posix_spawn avoided (fd close requested)

$ sudo lshw -C network

  *-network
   description: Wireless interface
   physical id: 1
   logical name: wlan0
   serial: a0:2c:36:ba:76:9c
   capabilities: ethernet physical wireless
   configuration: broadcast=yes driver=rtl8723bs multicast=yes wireless=unassociated

# cat *.yaml:

# This is the network config written by 'subiquity'
network:
  version: 2
  renderer: networkd
  wifis:
    wlan0:
      dhcp4: yes
      access-points:
        "SSID":
          password: "password"

# lshw -C network
  *-network DISABLED
       description: Wireless interface
       physical id: 1
       logical name: wlan0
       serial: 00:e0:4c:b7:23:00
       capabilities: ethernet physical wireless
       configuration: broadcast=yes driver=rtl8723bs multicast=yes wireless=unassociated

答案1

/etc/cloud/cloud.cfg.d/99-disable-network-config.cfg使用以下内容创建：

network: {config: disabled}

编辑您的/etc/netplan/*.yaml文件使其看起来完全像这样...相同的间距，相同的缩进，没有制表符...填写网络名称和密码...

network:
  version: 2
  renderer: networkd
  wifis:
    wlan0:
      dhcp4: true
      access-points:
        "network_ssid_name":
          password: "**********"

sudo netplan generate

sudo netplan apply

reboot

笔记：如果此平板电脑是移动设备，Ubuntu 桌面可能是更好的选择。

更新＃1：

以这种方式安装wpasupplicant...

sudo apt-get update

sudo apt-get install wpasupplicant

reboot

那么它就可以工作了。

更新 #2：

去https://packages.ubuntu.com/search?keywords=wpasupplicant&searchon=names&suite=focal§ion=all并将 wpasupplicant 下载到您的 USB 驱动器，然后使用sudo apt install /path_to/filename.deb或安装它sudo dpkg -i /path_to/filename.deb。

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