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Thread: setting up ddclient for opendns on Ubuntu server

  1. #1
    Join Date
    May 2008
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    St. John's, Antigua
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    206
    Distro
    Kubuntu 12.04 Precise Pangolin

    setting up ddclient for opendns on Ubuntu server

    Hi everyone
    As a member of our library committee for the year 2009-2010, I was entrusted the task of helping out IT department in setting up a proxy for the purpose of filtering and regulating web traffic in our computer library. While I did not face any problem in setting up squid (non-transparent mode) on Ubuntu server 8.0.4.2 using the tutorials in ubuntugeek, I had hell on earth trying to get ddclient to work. This was compounded with the availability of incomplete documentation (?) on the opendns website, and conflicting examples in various fora. Hence this short tutorial


    #To install packages for ssl communication in perl. This is required for authentication.
    In the terminal type

    sudo apt-get install libio-socket-ssl-perl

    and press ENTER, press Y when prompted and press ENTER.

    #Download ddclient
    Download ddclient 3.8.0 from http://ddclient.sourceforge.net or from here

    #Unpack the tarball
    tar xvf ddclient-

    and press TAB to auto complete. Press ENTER.

    #Navigate to extracted folder
    cd ddclient-

    and press TAB to auto complete. Press ENTER.

    #List contents
    ls
    and press ENTER. This is what you see

    Changelog sample-etc_cron.d_ddclient
    ChangeLog sample-etc_ddclient.conf
    COPYING sample-etc_dhclient-exit-hooks
    COPYRIGHT sample-etc_dhcpc_dhcpcd-eth0.exe
    ddclient sample-etc_ppp_ip-up.local
    README sample-etc_rc.d_init.d_ddclient
    README.cisco sample-etc_rc.d_init.d_ddclient.lsb
    README.ssl sample-etc_rc.d_init.d_ddclient.redhat
    RELEASENOTE sample-etc_rc.d_init.d_ddclient.ubuntu
    sample-ddclient-wrapper.sh TODO

    #Copy the dd client executable to system binary folder
    sudo cp ddclient /usr/sbin/

    #Make required directories as root for further installation
    sudo mkdir /etc/ddclient
    sudo mkdir /var/cache/ddclient


    #Copy the files to their destination
    sudo cp sample-etc_ddclient.conf /etc/ddclient/ddclient.conf

    #Editing the configuration file
    sudo vi /etc/ddclient/ddclient.conf

    Some of the changes you are going to make now are optional.

    Daemon updates ip every 300 seconds. Change value if desired.
    daemon=300

    Commenting out by adding # in front of
    mail=root
    mail-failure=root
    if you do not want any messages. This is optional.

    Uncomment the line by deleting the # sign at the begining of the line
    #use=web, web=checkip.dyndns.org/, web-skip='IP Address' # found after IP Address
    so that it looks like
    use=web, web=checkip.dyndns.org/, web-skip='IP Address' # found after IP Address

    Uncomment this line
    #protocol=dyndns2
    so that it looks like this
    protocol=dyndns2

    Uncomment and edit the server name
    #server=members.dyndns.org # default server
    so that it looks as follows
    server=updates.opendns.com # default server

    Uncomment and insert your username and password here
    #login=your-login # default login
    #password=test # default password
    For example, if your username is alfred and your password is hitchcock, these lines will look as follows
    login=alfred # default login
    password=hitchcock # default password

    Create an empty line immediately after this line and type the network label of your opendns network. For example my network label is home, so I simply type, in a new line

    home

    Save changes in the editor and exit.

    # Copying the init script:
    sudo cp sample-etc_rc.d_init.d_ddclient.lsb /etc/init.d/ddclient

    #Edit startup script. In the official documentation, this step is not mentioned. If you open the above script as follows
    sudo vi /etc/init.d/ddclient
    you will see this line
    start_daemon $DDCLIENT_BIN -daemon 300
    a command for the daemon to update every 300 seconds. If you change this value in the ddclient.conf, then there will be a conflict. My experience is that the time mentioned here is followed, and not what is in the ddclient.conf ! So if you changed the time when editing the ddclient.conf file (it's the first change listed above in that file), then make the same change here too. For example if you changed 300 to 900 in the ddclient.conf file, change the 300 to 900 here too.

    ## enable automatic startup when booting
    sudo update-rc.d ddclient defaults

    # start the first time by hand
    sudo /etc/init.d/ddclient start

    #Check for running process
    ps aux | grep ddclient
    and press ENTER

    You will see something like this
    root 2989 0.0 0.4 6372 4288 ? S 23:14 0:00 ddclient - sleeping for 420 seconds
    neville 5828 0.0 0.0 3340 788 pts/0 S+ 23:22 0:00 grep ddclient

    and check if your ip is getting updated in the dashboard of your opendns account. The first and subsequent updates take place after the time delay you specified above. For example if you left it at default (300), then it is only 300 seconds after you boot up that your IP gets updated. So don't be surprised if your IP is not updated "immediately", as soon as the boot process is complete
    Last edited by nucleuskore; September 13th, 2009 at 02:01 AM. Reason: Missed the #server=members.dyndns.org step

  2. #2
    Join Date
    Jul 2006
    Location
    North Georgia, NA
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    Ubuntu Development Release

    Smile Re: setting up ddclient for opendns on Ubuntu server

    I can't believe that no one has thanked you for the valuable post. I also can't believe how useless the OpenDNS site's explanation is. I also can't believe how incomplete is the help that comes with ddclient.

    You've made a real contribution to our community.

    Lane
    Lane Lester
    The Web Doctor

  3. #3
    Join Date
    May 2008
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    St. John's, Antigua
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    Distro
    Kubuntu 12.04 Precise Pangolin

    Re: setting up ddclient for opendns on Ubuntu server

    You're welcome !
    It's had 885 views, guess people just forget to come back

  4. #4
    Join Date
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    Ubuntu Development Release

    Re: setting up ddclient for opendns on Ubuntu server

    You said, "...check if your ip is getting updated in the dashboard of your opendns account."

    I clicked the various tabs at the site, but I don't find where that is displayed.

    I have a DSL line, so I guess the IP doesn't change unless the current one gets released somehow.

    Lane
    Lane Lester
    The Web Doctor

  5. #5
    Join Date
    May 2008
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    Distro
    Kubuntu 12.04 Precise Pangolin

    Re: setting up ddclient for opendns on Ubuntu server

    In the settings tab. If you do not see your network listed under Manage your networks then you have to add your network using the boxes in the same page

  6. #6
    Join Date
    Apr 2008
    Location
    Brisbane
    Beans
    7
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: setting up ddclient for opendns on Ubuntu server

    Thank you so much for putting this together.

    I put an evening aside to configure OpenDNS, but then found this, and had it all done in an hour!

    As has been previously mentioned, I really appreciate your contribution to our community.

    Gadaph

  7. #7
    Join Date
    Sep 2010
    Location
    new york
    Beans
    5

    Re: setting up ddclient for opendns on Ubuntu server

    thanks for a great tutorial i just have managed to get it to work mostly, except a few issues. i am using namecheap.com

    the @ does not resubmit the new ip when it is same as the old one which is a good thing.

    but www does not update, it say that the www was tried before and although not successful but still have to wait for 5 minutes. this keeps on happening no matter how long i wait.

    * updates all the time no matter if it is a new ip or an oldone.

    also why aren't you using
    sample-etc_rc.d_init.d_ddclient.ubuntu
    in
    sudo cp sample-etc_rc.d_init.d_ddclient.lsb /etc/init.d/ddclient

  8. #8
    Join Date
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    Re: setting up ddclient for opendns on Ubuntu server

    If you see the date of the tutorial, it is September 12th 2009. September 30th 2009 was my last working day in that institution. I am a professional microbiologist and I haven't really got a chance to get ANYWHERE near the systems in the University I work for now. I am sorry I'm cannot answer your question.

  9. #9
    Join Date
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    Location
    new york
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    Re: setting up ddclient for opendns on Ubuntu server

    thank you for the reply and good luck in your new job. i got it almost working

  10. #10
    Join Date
    May 2008
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    Distro
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    Re: setting up ddclient for opendns on Ubuntu server

    Thank you, and whatever you do successful or not, please leave your feedback. It will be very helpful for other users !

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