# Linux中查看目前端口号占用情况

**URL:** <https://eijil.com/t/linux/35>\
**Category:** 其它\
**Created:** [December 31, 2020, 9:59am UTC](https://eijil.com/t/linux/35 "2020-12-31T09:59:15Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![linuxren](https://eijil.com/user_avatar/eijil.com/linuxren/32/6_2.png) [@linuxren](https://eijil.com/u/linuxren)\
**Post date:** [December 31, 2020, 9:59am UTC](https://eijil.com/t/linux/35/1 "2020-12-31T09:59:15Z")

</div>

netstat -lnptu

dns 相关命令

nslookup [www.baidu.com](http://www.baidu.com) 223.5.5.5#53

ubuntu中配置静态ip网关地址等信息

cd /etc/netplan  
nano xxx.yaml

重启网络服务  
netplan apply

nslookup -querytype=ptr 0.0.0.0

ubuntu中查看上游dns

systemd-resolve --status

在netplan中手动设置的地址