# This is the network config written by 'subiquity'
network:
ethernets:
enp0s3:
dhcp4: false
addresses: [10.16.0.194/16]
optional: true
gateway4: 10.16.255.254
version: 2
sudo netplan apply
--------------------
參考:https://www.cnblogs.com/kehoudaanxianjie/p/13139636.html
ubuntu20.04設置配置靜態ip方法
1. 前言
本教程將會演示如何設置Ubuntu16.04 Server版和Ubuntu18.04 Server版系統的靜態固定IP地址。
2. 確認你要修改的網卡號
先確認你要修改的網卡號,假設你的服務器有多張網卡:
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ubuntu2004:~$ ip addr |
我的服務器配置如下:
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1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether 00:0c:29:f1:b5:e1 brd ff:ff:ff:ff:ff:ff inet 172.16.87.140/24 brd 172.16.87.255 scope global dynamic ens33 valid_lft 1500sec preferred_lft 1500sec inet6 fe80::20c:29ff:fef1:b5e1/64 scope link valid_lft forever preferred_lft forever |
3. 默認的網卡配置文件
默認情況下,網絡使用DHCP
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ubuntu1804:~$ cat /etc/netplan/50-cloud-init.yaml 配置文件內容如下 network: ethernets: ens33: dhcp4: yes addresses: [] version: 2 |
4. ubuntu20.04設置靜態IP
需要把配置文件修改爲以下內容:
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ubuntu1804:~$ sudo vi /etc/netplan/50-cloud-init.yaml |
假設IP地址修改爲192.168.1.100,子網掩碼24位即255.255.255.0,網關設置爲192.168.1.1,DNS1:223.5.5.5,DNS2:223.6.6.6
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network: ethernets: ens33: dhcp4: no addresses: [192.168.1.100/24] optional: true gateway4: 192.168.1.1 nameservers: addresses: [223.5.5.5,223.6.6.6] version: 2 |
5. 應用新配置
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ubuntu1804:~$ sudo netplan apply |
使用ip addr
檢查新地址
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ubuntu2004:~$ ip addr |
6. 測試網絡連通性
ubuntu1804:~$ ping 192.168.1.100