第一次发帖和第一次组装电脑，所以很高兴能根据需要详细说明任何内容。
我刚刚组装了一台新电脑。以太网和无线都不能用，对我来说没问题！
以太网：
lshw -C network给出：
*-network
description: Ethernet interface
product: Ethernet Connection (5) I219-V
vendor: Intel Corporation
physical id: 1f.6
bus info: pci@0000:00:1f.6
logical name: enp0s31f6
version: 00
serial: 2c:4d:54:ec:d8:9a
size: 100Mbit/s
capacity: 1Gbit/s
width: 32 bits
clock: 33MHz
capabilities: bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=3.2.6-k duplex=full firmware=0.1-4 ip=192.168.192.28 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s
resources: irq:140 memory:df300000-df31ffff
ip l给出
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: enp0s31f6: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000
link/ether 2c:4d:54:ec:d8:9a brd ff:ff:ff:ff:ff:ff
/etc/network/interfaces给出
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
ping -c3 8.8.8.8给出
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=45 time=16.4 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=45 time=14.0 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=45 time=18.0 ms
--- 8.8.8.8 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 14.008/16.148/18.009/1.651 ms
route -n给出
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.192.1 0.0.0.0 UG 0 0 0 enp0s31f6
169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 enp0s31f6
192.168.192.0 0.0.0.0 255.255.255.0 U 0 0 0 enp0s31f6
tracepath 8.8.8.8给出
1?: [LOCALHOST] pmtu 1500
1: Deep-Genesis 648.751ms !H
1: no reply
1: Deep-Genesis 3067.668ms !H
Resume: pmtu 1500
tracepath 151.101.129.69给出
1?: [LOCALHOST] pmtu 1500
1: Deep-Genesis 1426.341ms !H
Resume: pmtu 1500
无线适配器根本无法被识别！
请帮忙！我快成功了！
答案1
请单击网络管理器图标并选择编辑连接。在 IPv4 设置下，输入 DNS 名称服务器，如下所示：
重新启动网络管理器：
sudo service network-manager restart
测试：
ping -c3 8.8.8.8
ping -c3 www.ubuntu.com