记一次Ubuntu系统DNS解析问题

  1. 环境查看
    系统环境
# lsb_release -a
No LSB modules are available.
Distributor ID:Ubuntu
Description:Ubuntu 22.04.3 LTS
Release:22.04
Codename:jammy
# uname  -a
Linux AiServer003026 5.15.0-122-generic #132-Ubuntu SMP Thu Aug 29 13:45:52 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
  1. 故障现象
    无法解析公网域名
    ping不通
    nslookup报错如下
# nslookup www.163.com
nslookup: parse of /etc/resolv.conf failed
  1. 故障原因及修复
# /etc/resolv.conf配置文件格式错误

错误的配置文件,服务器地址写到同一行了

nameserver 192.168.3.1 114.114.114.114

修改后的配置文件

nameserver 192.168.3.1
nameserver 114.114.114.114
posted @ 2025-07-25 14:53  minseo  阅读(30)  评论(0)    收藏  举报