ubuntu中禁用网卡ipv6 dns解析

配置如下

root@xxx:~# cat /etc/netplan/00-installer-config.yaml 

# This is the network config written by 'subiquity'

network:

  version: 2

  ethernets:

    ens160:

      addresses:

      - xxx.xxxx.xxxx/29

      gateway4: xxx

      nameservers:

        addresses:

        - 8.8.8.8

      dhcp6: no  # 添加

      accept-ra: no # 添加

    ens192:

      addresses:

      - xxxx/27

检查结果

systemd-resolve --status

root@xxx:~# systemd-resolve --status
Global
       LLMNR setting: no                 
MulticastDNS setting: no                 
  DNSOverTLS setting: no                 
      DNSSEC setting: no                 
    DNSSEC supported: no                 
  Current DNS Server: 8.8.8.8            
         DNS Servers: 8.8.8.8