顯示連接，但不載入任何內容（DNS 解析失敗）

已安裝無線驅動程序，NetworkManager 工作，但在 firefox/任何 OTA 上都不會載入任何內容

wlan0 出現，內置無線網卡，通過設置 - 網路，它說我已無線連接，但網際網路上不會載入任何內容。即使連接到乙太網。

eth0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500
   ether 3c:07:54:3c:08:3a  txqueuelen 1000  (Ethernet)
   RX packets 0  bytes 0 (0.0 B)
   RX errors 0  dropped 0  overruns 0  frame 0
   TX packets 0  bytes 0 (0.0 B)
   TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
   device interrupt 16  

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 1  (Local Loopback)
   RX packets 24  bytes 1664 (1.6 KiB)
   RX errors 0  dropped 0  overruns 0  frame 0
   TX packets 24  bytes 1664 (1.6 KiB)
   TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
   inet 192.168.1.53  netmask 255.255.255.0  broadcast 192.168.1.255
   inet6 fe80::dd5b:7d61:4623:70a  prefixlen 64  scopeid 0x20<link>
   ether b8:8d:12:2d:fc:82  txqueuelen 1000  (Ethernet)
   RX packets 376  bytes 84045 (82.0 KiB)
   RX errors 0  dropped 0  overruns 0  frame 0
   TX packets 85  bytes 11346 (11.0 KiB)
   TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

ping facebook.com:

ping: facebook.com: Temporary failure in name resolution

ping 31.13.81.36:

PING 31.13.81.36 (31.13.81.36) 56(84) bytes of data.
64 bytes from 31.13.81.36: icmp_seq=2 ttl=84 time=40.1 ms
64 bytes from 31.13.81.36: icmp_seq=3 ttl=84 time=41.4 ms
64 bytes from 31.13.81.36: icmp_seq=4 ttl=84 time=41.9 ms
64 bytes from 31.13.81.36: icmp_seq=5 ttl=84 time=40.5 ms
64 bytes from 31.13.81.36: icmp_seq=6 ttl=84 time=40.3 ms
64 bytes from 31.13.81.36: icmp_seq=7 ttl=84 time=39.2 ms
^C
--- 31.13.81.36 ping statistics ---
7 packets transmitted, 6 received, 14% packet loss, time 6032ms
rtt min/avg/max/mdev = 39.294/40.613/41.901/0.874 ms

您的 Internet 連接正常，ping 31.13.81.36. 缺少的是 DNS 名稱查找，這就是ping facebook.com失敗的原因。我無法解釋為什麼你什麼都沒有，/etc/resolv.conf但這應該讓你開始。

/etc/resolv.conf以此為出發點創造缺失

nameserver 8.8.8.8
nameserver 8.8.4.4

引用自：https://unix.stackexchange.com/questions/345428