Ubuntu 随笔

Ubuntu设置固定IP地址

Posted by 刘巨 on 2020-08-26

Ubuntu基本信息

  • 版本：18.04

Ubuntu基本信息

默认网络配置信息

  • 配置文件：/etc/netplan/50-cloud-init.yaml

  • 默认配置：DHCP 自动获取IP

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# This file is generated from information provided by
# the datasource.  Changes to it will not persist across an instance.
# 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
    version: 2

Ubuntu默认网络配置信息

设置为固定IP

  • 修改后的配置文件：/etc/netplan/50-cloud-init.yaml
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# This file is generated from information provided by
# the datasource.  Changes to it will not persist across an instance.
# 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: false
            addresses: [10.76.20.162/24]
            gateway4: 10.76.20.1
            nameservers:
                addresses: [114.114.114.114,8.8.8.8]
    version: 2

Ubuntu固定IP配置信息

应用新的配置

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#应用新的配置
netplan apply
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#查看IP信息
ip addr

Ubuntu IP信息

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