networking - Internet Suddenly Stopped Working - Ask Ubuntu


i'm running 16.04 on laptop , says i'm connected whenever pull webpage says

dns address not found  try checking proxy, firewall, , dns configuration

it working fine couple of days ago.

this happens on firefox , chrome.

this not happen if boot live copy of ubuntu on same laptop , connect same network.

i've tried deleting , re-adding network in edit connections problem persists.

additional info:

this wifi connection

in system settings -> network -> network proxy says method: none

nslookup google.com returned connection timed out

ping 8.8.8.8 had 0% packet loss

ifconfig -a enp0s25   link encap:ethernet  hwaddr b8:6b:23:b7:8b:1e             broadcast multicast  mtu:1500  metric:1           rx packets:0 errors:0 dropped:0 overruns:0 frame:0           tx packets:0 errors:0 dropped:0 overruns:0 carrier:0           collisions:0 txqueuelen:1000            rx bytes:0 (0.0 b)  tx bytes:0 (0.0 b)           interrupt:20 memory:e4400000-e4420000   lo        link encap:local loopback             inet addr:127.0.0.1  mask:255.0.0.0           inet6 addr: ::1/128 scope:host           loopback running  mtu:65536  metric:1           rx packets:47 errors:0 dropped:0 overruns:0 frame:0           tx packets:47 errors:0 dropped:0 overruns:0 carrier:0           collisions:0 txqueuelen:1            rx bytes:7649 (7.6 kb)  tx bytes:7649 (7.6 kb)  wlp5s0    link encap:ethernet  hwaddr b4:b6:76:e9:2b:77             inet addr:10.0.0.49  bcast:10.0.0.255  mask:255.255.255.0           inet6 addr: 2601:681:4200:b0f0::a567/128 scope:global           inet6 addr: 2601:681:4200:b0f0:980d:2093:a87:e2c8/64 scope:global           inet6 addr: 2601:681:4200:b0f0:945f:1cf3:cbda:5021/64 scope:global           inet6 addr: fe80::c63:2a6e:4d93:9edb/64 scope:link           broadcast running multicast  mtu:1500  metric:1           rx packets:7576 errors:0 dropped:0 overruns:0 frame:0           tx packets:4833 errors:0 dropped:0 overruns:0 carrier:0           collisions:0 txqueuelen:1000            rx bytes:818172 (818.1 kb)  tx bytes:547880 (547.8 kb)


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