我是 Ubuntu 16.04 用户。我的问题是无法连接到无线互联网。我的系统无法捕获 wifi。每当我检查网络管理器时，它只会显示“没有可用的网络设备”消息。我在网上尝试了很多方法，但无法解决这个问题。我还禁用了 avahi 守护进程。有人能告诉我我的笔记本电脑出了什么问题吗？
kimhojoon@kimhojoon-14Z970-LR1EK:~$ ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:324 errors:0 dropped:0 overruns:0 frame:0
TX packets:324 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:23920 (23.9 KB) TX bytes:23920 (23.9 KB)
kimhojoon@kimhojoon-14Z970-LR1EK:~$ rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
kimhojoon@kimhojoon-14Z970-LR1EK:~$ sudo network-manager restart
[sudo] password for kimhojoon:
sudo: network-manager: command not found
kimhojoon@kimhojoon-14Z970-LR1EK:~$ sudo service network-manager restart
kimhojoon@kimhojoon-14Z970-LR1EK:~$ /etc/NetworkManager/NetworkManager.conf
bash: /etc/NetworkManager/NetworkManager.conf: Permission denied
kimhojoon@kimhojoon-14Z970-LR1EK:~$ sudo lshw -C Network
*-network
description: Network controller
product: QCA6174 802.11ac Wireless Network Adapter
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:01:00.0
version: 32
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=ath10k_pci latency=0
resources: irq:129 memory:d1000000-d11fffff
kimhojoon@kimhojoon-14Z970-LR1EK:~$ iwconfig
lo no wireless extensions.
kimhojoon@kimhojoon-14Z970-LR1EK:~$ sudo dhclient
[sudo] password for kimhojoon:
RTNETLINK answers: File exists
kimhojoon@kimhojoon-14Z970-LR1EK:~$ ifconfig -a
enx002017031993 Link encap:Ethernet HWaddr 00:20:17:03:19:93
inet addr:192.168.219.104 Bcast:192.168.219.255 Mask:255.255.255.0
inet6 addr: fe80::7941:f919:37eb:72b8/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1273 errors:0 dropped:0 overruns:0 frame:0
TX packets:973 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:663941 (663.9 KB) TX bytes:157943 (157.9 KB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:5166 errors:0 dropped:0 overruns:0 frame:0
TX packets:5166 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:541852 (541.8 KB) TX bytes:541852 (541.8 KB)
kimhojoon@kimhojoon-14Z970-LR1EK:~$ ping -c5 8.8.8.8
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=42 time=58.7 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=42 time=61.3 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=42 time=69.4 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=42 time=52.6 ms
64 bytes from 8.8.8.8: icmp_seq=5 ttl=42 time=49.5 ms
--- 8.8.8.8 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4006ms
rtt min/avg/max/mdev = 49.516/58.351/69.495/6.984 ms
kimhojoon@kimhojoon-14Z970-LR1EK:~$ host 8.8.8.8
8.8.8.8.in-addr.arpa domain name pointer google-public-dns-a.google.com.