ubuntu 20.04 设置静态 IP地址

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本文详细介绍了如何在Ubuntu20.04操作系统中为ens33网卡配置静态IP地址，包括修改netplan配置文件并应用更改的步骤。通过设置静态IP，你可以确保网络连接的稳定性。

ubuntu 20.04 设置静态 IP地址

ifconfig

参考:
Ubuntu20.04修改ip地址的方法示例
https://www.jb51.net/article/187742.htm

ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.99.45  netmask 255.255.255.0  broadcast 192.168.99.255
        inet6 fe80::20c:29ff:feee:a4f2  prefixlen 64  scopeid 0x20<link>
        ether 00:0c:29:ee:a4:f2  txqueuelen 1000  (Ethernet)
        RX packets 262489  bytes 389159294 (389.1 MB)
        RX errors 0  dropped 1  overruns 0  frame 0
        TX packets 94544  bytes 7738507 (7.7 MB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 288  bytes 25608 (25.6 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 288  bytes 25608 (25.6 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

cd /etc/netplan

sudo vi 01-network-manager-all.yaml

# Let NetworkManager manage all devices on this system
network:
  version: 2
  renderer: NetworkManager
  ethernets:
        ens33:
                addresses: [192.168.99.45/24]  
                dhcp4: no  
                optional: true
                gateway4: 192.168.99.1 
                nameservers:
                        addresses: [192.168.99.1,8.8.8.8]