9. It's bold strategy, Cotton. Let see if it pays off

   A month ago, I took the RHCE exam, fairly confident I will pass after spending hours studying and practicing.

   It did not happen. I was not even able to complete the exam on time. I was hoping when I came home that I somehow squeaked though, but then came the …

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10. Hold your nose and close your eyes

    Aggregating interfaces can be a pain, but it doesn't have to be. With Red Hat 7 and above, you can team your interfaces with very little effort. Frankly, it is pretty awesome.

    There is one catch, though. You will have to learn to use Network Manager.Specifically, nmcli.

    Much can …

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11. I should put something here

    Some days, keeping up with technology can be a mix of frustration and excitement.

    I am currently working on getting back my RHCE (Red Hat Certified Engineer) credentials (I had it before, but for reasons I wont get to, it expired). From there, I will be able to avail myself …

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12. Oh, I hate Pollen

    Its end of April and the pollen season is in fully bloom here in Chicago. I am on the edge of scratching my eyes out.

    It could be worse. I could be living in Atlanta, where everything turns yellow.

    Anyway, in my learnings with OpenStack, I was about to go …

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13. The Dangers of Skipping

    Long time, no write. This will change immediately.

    Recently, I have getting myself familiar with OpenStack by way of the book OpenStack Cloud Computing Cookbook. For the most part, it was an easy read and I got my home OpenStack environment and running, albeit with some issues.

    The book starts …

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14. Automatically set the hostname during Kickstart Installation

    I hate having to manually set the hostname in kickstart file, so when I found a fix, I was very happy. I wish I can take credit, but it was originally made by somebody who was trying to figure out a way to automatically set the hostname for VMWare ESX …

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15. Updated to chef-client on FreeBSD (aka part III)

    Found the solution.

    Essentially, I just need to add this:

    supports :status => true, :restart => true, :reload => true
    

    This means that it will start up the service if isn’t running. Now it works as expected when I add chef-client to the run list.

    Here is the updated code:

    when "bsd …

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16. FreeBSD and chef-client - a part II (of sorts)

    Finally changed chef-client with an updated recipe to support FreeBSD.

    Under the chef-repo/chef-client directory, I added the following files:

    ./templates/freebsd/rc.d/chef-client.erb
    ./templates/freebsd/rc.conf.d/chef.erb
    

    And updated:

    ./recipes/service.rb
    

    The locations corresponds to the directory location under the default #{conf} directory …

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17. FreeBSD and chef-client - a part I?

    As I mentioned before, Chef appears to work well on mostly Debian and Ubuntu. You will have to do a bit more work on the other OSes: In the case of FreeBSD, a lot more.

    Here is one example: The recipe chef-clientis used to install startup scripts on the …

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18. Always Crispy: SSH Tunnels - 2 ways

    verycrispy:

    Recently, I have been googling how to make tunnels so I thought I would post what I do. A SSH tunnel allows you to connect to server, A, through server B, from client C.
    {width="483" height="181"}

    You generally only want to setup a tunnel when you need …

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