Ubuntu 18.04 上配置固定 IP

Ubuntu 18.04 上配置固定 IP

看当前 Ubuntu 的版本信息：

lsb_release -a

控制台显示：

No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 18.04.6 LTS
Release:        18.04
Codename:       bionic

查看网卡：

ip addr

控制台显示：找到 ens33 。

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:29:21:34:93 brd ff:ff:ff:ff:ff:ff
    inet 192.168.47.128/24 brd 192.168.47.255 scope global ens33
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe21:3493/64 scope link 
       valid_lft forever preferred_lft forever
3: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default 
    link/ether 02:42:7e:96:88:8b brd ff:ff:ff:ff:ff:ff
    inet 172.17.0.1/16 brd 172.17.255.255 scope global docker0
       valid_lft forever preferred_lft forever

配置文件：/etc/network/interfaces。

auto ens33
iface ens33 inet static
address 192.168.47.128
netmask 255.255.255.0
gateway 192.168.47.2

重启系统 reboot。