我将ubuntu 14.04升级到了ubuntu 16.04,但互联网连接出现问题。具体来说,更新后的DNS停止工作。出于调试目的,我设置了唯一的DNS 8.8.8.8
,但名称解析仍然不起作用。输出nmcli device show wlan1 | grep IP4
为:
pc@pc:~$ nmcli device show wlan1 | grep IP4
IP4.ADDRESS[1]: 192.168.1.3/24
IP4.GATEWAY: 192.168.1.1
IP4.ROUTE[1]: dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000
IP4.DNS[1]: 8.8.8.8
The output from dig @8.8.8.8 google.com and dig google.com:
dig @8.8.8.8 google.com
; <<>> DiG 9.10.3-P4-Ubuntu <<>> @8.8.8.8 google.com
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 60075
;; flags: qr rd ra; QUERY: 1, ANSWER: 12, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;google.com. IN A
;; ANSWER SECTION:
google.com. 27 IN A 62.75.23.245
google.com. 27 IN A 62.75.23.230
google.com. 27 IN A 62.75.23.216
google.com. 27 IN A 62.75.23.238
google.com. 27 IN A 62.75.23.224
google.com. 27 IN A 62.75.23.223
google.com. 27 IN A 62.75.23.237
google.com. 27 IN A 62.75.23.210
google.com. 27 IN A 62.75.23.217
google.com. 27 IN A 62.75.23.231
google.com. 27 IN A 62.75.23.244
google.com. 27 IN A 62.75.23.251
;; Query time: 89 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Sat Apr 30 19:39:24 EEST 2016
;; MSG SIZE rcvd: 231
pc@pc:~$ dig google.com
; <<>> DiG 9.10.3-P4-Ubuntu <<>> google.com
;; global options: +cmd
;; connection timed out; no servers could be reached
pc@pc:~$ route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.1.1 0.0.0.0 UG 600 0 0 wlan1
169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 wlan1
192.168.1.0 0.0.0.0 255.255.255.0 U 600 0 0 wlan1
根据您的研究,添加
—
Julie Pelletier
nameserver 8.8.8.8
到您的/etc/resolv.conf
东西是否可以解决?
@JuliePelletier,
—
Hi-Angel
IP4.DNS[1]: 8.8.8.8
我猜他们已经在使用域名服务器了。
@ Hi-Angel:没错,但是由于dig在同一名称服务器上工作,因此显然存在问题。
—
Julie Pelletier
谢谢大家的时间,我通过在链接中给出的答案解决了这个问题:askubuntu.com/questions/622470/...
—
c_nikol
IP4.ROUTE[1]: dst = 169.254.0.0/16
当然显示路线有问题。请使用发布您的路由表route -n
。