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Linux Mint - hardcode DNS

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  • 13-01-2010 1:06pm
    #1
    Jagera
    Closed Accounts Posts: 910 ✭✭✭


    recent convert to Linux here.

    I have a USB dongle for internet, and sometimes I have connectivity, sometimes not.

    The "sometimes not" scenarios seem to be lacking a DNS primary & secondary server. Thus, I am technically connected to my providor, it says "connected" but I have no internet connectivity.

    Is there a way I can hardcode the Wireless Broadband connection to a particular DNS, even OpenDNS would do.

    Thanks
    Tagged:


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    #2
    ethernet
    Registered Users Posts: 3,568 ✭✭✭ethernet


    There's probably a nice UI to do it but you can do it just as quickly from the console:
    sudo vim /etc/resolv.conf

    Enter the DNS servers, each on a new line. Save. I've specified vim as the editor there but use whatever's best for you, like nano or pico.


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    #3
    Khannie
    Registered Users Posts: 37,485 ✭✭✭✭Khannie


    Here's what mine looks like (for opendns):


    # Generated by dhcpcd for interface eth0
    nameserver 208.67.222.222
    nameserver 208.67.220.220


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    #4
    Stuxnet
    Registered Users Posts: 3,735 ✭✭✭Stuxnet


    http://boards.ie/vbulletin/showthread.php?t=2055728692


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    #5
    Jagera
    Closed Accounts Posts: 910 ✭✭✭Jagera


    OK a few issues I had after trying the above

    I was not able to edit the resolv.config file from my user account. Insufficient privilages. I thought I had given the user all of the rights, guess not.

    So I logged in as root, and edited the file from there. However after rebooting, the file reverted back to its original, which was simply #Generated by NetworkManager, with nothing else.

    I am able to connect no probs from windoze, so its definitely some configuration problem.

    I can send attach screenshots of the Wireless Broadband setting if it may help.

    I am also questioning my user privilages, and wondering if this has something to do with it


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    #6
    Khannie
    Registered Users Posts: 37,485 ✭✭✭✭Khannie


    I just remembered that this was going to happen to you, then I see that it has. :)

    So firstly, on the permissions thing. You'll find that your user account can't edit *any* files that are in /etc and that's a good thing. If you want to edit them, switch to root (or use sudo), make a backup, then fire ahead.

    To change to using openDns try this link. It's for ubuntu but will be fine for mint.


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    #7
    woop
    Registered Users Posts: 809 ✭✭✭woop


    try changing youre modem dns, might be easier


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