以太网卡的启用
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README.md
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README.md
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@ -444,6 +444,63 @@ Q:使用 apt 安装软件包时出现如下警告:
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A:参考 系统配置-本地化 一节安装相应语言包即可解决。
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---
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Q:以太网卡因未被 network-manager 托管不能启用。
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```shell
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# 网卡未启用
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ip addr show eth0
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2: eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
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link/ether 16:a6:4c:50:54:44 brd ff:ff:ff:ff:ff:ff
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# 网卡未被 network-manager
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nmcli device
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DEVICE TYPE STATE CONNECTION
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eth0 ethernet unmanaged --
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lo loopback unmanaged --
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# 使用该命令启用网卡无效
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nmcli dev set eth0 managed yes
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```
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A:原因在于 network-manager 的默认配置 /usr/lib/NetworkManager/conf.d/10-globally-managed-devices.conf 不会托管以太网卡[^7]。解决方法如下:
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```shell
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# 使用 netplan 配置以太网络
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sudo nano /etc/netplan/01-netcfg.yaml
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# 配置为动态获取 IP
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network:
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version: 2
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renderer: networkd
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ethernets:
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eth0:
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dhcp4: yes
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# 或静态 IP
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network:
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version: 2
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renderer: networkd
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ethernets:
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eth0:
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dhcp4: no
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addresses: [10.0.0.10/24]
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gateway4: 10.0.0.1
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nameservers:
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addresses: [223.5.5.5,223.6.6.6]
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# 应用配置
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sudo netplan --debug apply
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```
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也可以使用 network-manager 托管所有网络设备,尽管官方不推荐这样做。
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```shell
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# 覆盖默认配置
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sudo touch /etc/NetworkManager/conf.d/10-globally-managed-devices.conf
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```
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## 参考资料
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[^1]: [Boot option - Rockchip open source Document](http://opensource.rock-chips.com/wiki_Boot_option)
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@ -457,3 +514,6 @@ A:参考 系统配置-本地化 一节安装相应语言包即可解决。
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[^5]: [Rockchip Kernel - Rockchip open source Document](http://opensource.rock-chips.com/wiki_Rockchip_Kernel)
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[^6]: [Rkdeveloptool - Rockchip open source Document](http://opensource.rock-chips.com/wiki_Rkdeveloptool)
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[^7]: [network-manager does not manage ethernet and bluetooth interfaces](https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1638842)
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