Ubuntu 18.04 配置静态IP地址

• 1，系统版本
• 2，修改IP配置文件
• 3，Ubuntu 18.04.4

# lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 18.04.3 LTS
Release:	18.04
Codename:	bionic

• /etc/netplan 配置文件目录

# cat 01-network-manager-all.yaml 
network:
  version: 2
  renderer: NetworkManager
  ethernets:
    enp9s0f0:
      dhcp4: no
      addresses: [192.168.0.112/24]
      gateway4: 192.168.0.1
      nameservers:
        addresses: [114.114.114.114]

• 重启网络服务

# netplan apply

# cat /etc/issue
Ubuntu 18.04.4 LTS n l

• 默认配置

# cat /etc/netplan/50-cloud-init.yaml
# 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:
    ethernets:
        eno2:
            dhcp4: true
    version: 2

• 应用配置

netplan apply

network:
    ethernets:
        eno1:
            dhcp4: true
        eno2:
            dhcp4: no
            addresses: [192.168.0.11/24]
            gateway4: 192.168.0.1
            nameservers:
                addresses: [114.114.114.114]
    version: 2

systemctl status  systemd-networkd

netplan --debug apply

network:
    renderer: networkd
    ethernets:
        eno1:
                dhcp4: no
                addresses: [192.168.0.100/24]
                gateway4: 192.168.0.1
                nameservers:
                    addresses: [114.114.114.114]
        eno2:
                dhcp4: no
                addresses: [192.168.0.101/24]
                gateway4: 192.168.0.1
                nameservers:
                    addresses: [114.114.114.114]

    version: 2

参考：

1. ubuntu18.04LTS设置静态IP
2. Ubuntu 18.04 LTS 使用 Netplan 配置网络教程
3. How to configure static IP address on Ubuntu 18.04 Bionic Beaver Linux