ubuntu22.04更改DNS

环境说明

# lsb_release -a

No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 22.04.3 LTS
Release:        22.04
Codename:       jammy

编辑 /etc/netplan 目录下文件

vim00-installer-config.yaml

# This is the network config written by 'subiquity'
network:
  ethernets:
    ens18:
      dhcp4: false
      addresses:
      - 192.168.1.4/24
      routes:
      - to: default
        via: 192.168.1.1
      nameservers:
         addresses:
         - 192.168.1.1

  version: 2

# 生效
netplan apply

# 命令行帮助
# netplan help
usage: /usr/sbin/netplan  [-h] [--debug]  ...

Network configuration in YAML

options:
  -h, --help  show this help message and exit
  --debug     Enable debug messages

Available commands:

    help      Show this help message
    apply     Apply current netplan config to running system
    generate  Generate backend specific configuration files from /etc/netplan/*.yaml
    get       Get a setting by specifying a nested key like "ethernets.eth0.addresses", or "all"
    info      Show available features
    ip        Retrieve IP information from the system
    set       Add new setting by specifying a dotted key=value pair like ethernets.eth0.dhcp4=true
    rebind    Rebind SR-IOV virtual functions of given physical functions to their driver
    status    Query networking state of the running system
    try       Try to apply a new netplan config to running system, with automatic rollback

nstudy.org