简单配置Ubuntu修改固定IP

2023-04-22  本文已影响0人  不可思议的黄老师

1、查看网卡信息 ifconfig，系统分配的IP地址 192.168.0.104，注意自身网络的网关

Last login: Thu Apr 13 08:39:14 2023 from 192.168.0.100
root@huang:~# ifconfig
enp0s3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.0.104  netmask 255.255.255.0  broadcast 192.168.0.255
        inet6 fe80::a00:27ff:fe0c:abe5  prefixlen 64  scopeid 0x20<link>
        ether 08:00:27:0c:ab:e5  txqueuelen 1000  (Ethernet)
        RX packets 67324  bytes 94714303 (94.7 MB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 22006  bytes 1602508 (1.6 MB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

2、备份后编辑 /etc/netplan/00-installer-config.yaml 

sudo cp /etc/netplan/00-installer-config.yaml /etc/netplan/00-installer-config.yaml.bak
sudo vi /etc/netplan/00-installer-config.yaml

3、修改配置

# This is the network config written by 'subiquity'
network:
  ethernets:
    enp0s3: #要修改的网卡
      dhcp4: no #不自动分配IP
      addresses: [192.168.0.140/24] #配置IP地址
      gateway4: 192.168.0.1 #配置网关
      nameservers:
              addresses: [192.168.0.1] #DNS服务器地址，多个DNS服务器地址需要用英文逗号分隔开
  version: 2

4、应用配置

sudo netplan apply

5、测试网络 ping baidu.com 或者 curl -i baidu.com 

root@huang:~# curl -i baidu.com
HTTP/1.1 200 OK
Date: Sun, 23 Apr 2023 02:14:49 GMT
Server: Apache
Last-Modified: Tue, 12 Jan 2010 13:48:00 GMT
ETag: "51-47cf7e6ee8400"
Accept-Ranges: bytes
Content-Length: 81
Cache-Control: max-age=86400
Expires: Mon, 24 Apr 2023 02:14:49 GMT
Connection: Keep-Alive
Content-Type: text/html

<html>
<meta http-equiv="refresh" content="0;url=http://www.baidu.com/">
</html>
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