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can't resolve

Wed Jul 03, 2013 12:24 am

I can't seem to use github at all for anything I've tried. The most obvious is 'rpi-update' reporting that it cannot resolve ''. The following is the run in total:
  • pi@raspberrypi ~ $ sudo rpi-update
    *** Raspberry Pi firmware updater by Hexxeh, enhanced by AndrewS
    *** Performing self-update
    --2013-07-02 19:15:43-- ... rpi-update
    Resolving ( failed: Name or service not known.
    wget: unable to resolve host address `'
    !!! Failed to download update for rpi-update!
    !!! Make sure you have ca-certificates installed and that the time is set correctly

I've run install and upgrade for the ca-certificates and 'apt-get' says that they are fine. The date/time are set fine. I've played with my network settings and have tried it with the WiFi and hard connect.

Any ideas?


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Re: can't resolve

Wed Jul 03, 2013 5:47 am

Hi Carl,

From what I remember when I did this, you need to install git first

Code: Select all

sudo apt-get install git-all
Try it again once that's installed.

Andy - Raspberry Pi and other stuffing!

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Re: can't resolve

Wed Jul 03, 2013 6:48 am

cfranz wrote:Resolving ( failed: Name or service not known.
wget: unable to resolve host address `'
Do you have a working internet connection?

What you seem to be getting is a DNS error when looking up the IP address for the name "".

Does this work?

Code: Select all

ping -c 1
What are the contents of your /etc/resolv.conf file?
and the output of these commands:

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sudo ifconfig -a
ip route

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Re: can't resolve

Wed Jan 01, 2014 6:03 am

I've also been having this problem. But I just stumbled on this solution (url below) and it works! It is a wget issue and after u

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sudo nano /etc/wgetrc 
add the line :

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inet4_only = on

and you'll be on your way. ... 2&p=235342

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Re: can't resolve

Wed Jan 01, 2014 2:11 pm

It's simpler than you think.

Code: Select all

PING ( 56(84) bytes of data.
Your netmask is wrong! It should be

Your home network is or in CIDR is

If you set your local netmask to so your network is then TCP/IP assumes that is part of your local subnet, it won't ask the gateway/router to route the packets out to the public Internet.

There'll be another 16 million other websites that are also not accessible.
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