Connected to wifi, but no internet on lubuntu

**omar24** · January 13th, 2015

Hello,

I've been struggling with this for quite a while now but cannot resolve it. I'm running lubuntu and can connect to my wifi network, but there is no internet nor do I have access to the router from the browser.

I know the problem is network specific because: (1) I can connect to other networks and access internet perfectly fine (2) I'm using the network on other machines

Can anyone shed some light as to what might be the issue here?

Thanks!

**nerdtron** · January 13th, 2015

Normal procedures on any operating system.
From the terminal, post the output of each here.

Look if you have an IP address:

Code:

ifconfig

What are your routes:

Code:

route -n

Do you have a dns configured:

Code:

cat /etc/resolv.conf

Can you ping google?

Code:

ping -c 5 google.com

Can you ping a public internet IP?

Code:

ping -c 5 8.8.8.8

If you can't ping/resolve anything on the internet, try to trace the path:

Code:

tracepath www.google.com

or

Code:

tracepath 8.8.8.8

**omar24** · January 13th, 2015

Code:

ifconfig

Code:

wlan0     Link encap:Ethernet  HWaddr c0:f8:da:5f:e1:b5            inet addr:192.168.2.15  Bcast:192.168.2.255  Mask:255.255.255.0
          inet6 addr: fe80::c2f8:daff:fe5f:e1b5/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:9734 errors:0 dropped:0 overruns:0 frame:3003092
          TX packets:3126 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:1022040 (1.0 MB)  TX bytes:337769 (337.7 KB)
          Interrupt:17

What are your routes:

Code:

route -n

Code:

Kernel IP routing tableDestination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         192.168.2.1     0.0.0.0         UG    0      0        0 wlan0
192.168.2.0     0.0.0.0         255.255.255.0   U     9      0        0 wlan0

Do you have a dns configured:

Code:

cat /etc/resolv.conf

Yes I think so

Code:

# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)#     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 127.0.1.1
search home

Can you ping google?

Code:

ping -c 5 google.com

Nope, the ping wont go through

Code:

ping: unknown host google.com

Can you ping a public internet IP?

Code:

ping -c 5 8.8.8.8

Cant ping this either...

Code:

PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.

--- 8.8.8.8 ping statistics ---
5 packets transmitted, 0 received, 100% packet loss, time 4031ms

If you can't ping/resolve anything on the internet, try to trace the path:

Code:

tracepath www.google.com

gives me

Code:

gethostbyname2: Host name lookup failure

or

Code:

tracepath 8.8.8.8

gives me

Code:

 1?: [LOCALHOST]                                         pmtu 1500 1:  no reply
 2:  no reply
...

ideas?

Many thanks!

**Jesse_Campton** · January 13th, 2015

Are you running any server software? Apache? Just a thought..

**omar24** · January 14th, 2015

Nothing like that running that I know of. I just did a clean install of lubuntu 14.04.
Internet works fine with other wifi networks, so maybe its my router settings?

**nerdtron** · January 14th, 2015

Your /etc/resolve.conf is wrong.
You don't have any dns configured. did you setup a static IP address from the network manager? Can you post a screenshot of your settings on the network manager?

**JeQhdMD** · January 14th, 2015

# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 127.0.1.1
search home {instead of home, my resolve.conf reads "domain"}