@misterdorm

Husband. Father. Follower of Jesus Christ. Coloradan.
Iowa native. DevOps Engineer. Hiker & Skier. ISTJ.

Category: Engineering (page 2 of 2)

Installing grub2 on GPT Disks after el6 to el7 Upgrade

Servers that were upgraded from CentOS 6 to CentOS 7 (or RedHat or other derivative) end up with an inconsistent boot loader configuration.  While the grub2 package is actually installed during the CentOS 7 upgrade, it is not actually installed to the MBR/boot sector of the disk. This causes issues later on, because sometimes new

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rabbitmq_management Listening on Multiple Ports: It can’t be done!?

Lately I’ve been trying to get the RabbitMQ management plugin to listen on more than one port.  This is in an effort to resolve these comments on the puppetlabs-rabbitmq Puppet module.  I want one listener on localhost only, in non-SSL mode, and a second listener on a different port which serves SSL requests from external

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Integrating OpenStack with Active Directory: Because AD != LDAP

Craig Jellick and I speaking about integrating OpenStack with Active Directory, at the OpenStack Juno Summit in Atlanta, May 2014. Video  Slides

North Dakota Energy Tour

While visiting my in-laws last week, I took a day trip down to the Garrison Dam for a tour of the hydroelectric power plant.  I wasn’t sure how much I’d really get to see, not knowing the security stance of those type of places these days.  However, I was pleasantly surprised.  Not only did we

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Over-the-air Digital TV in the Exurbs

Ever since the Lake Cedar Group began broadcasting from the new consolidated DTV transmitter on Lookout Mountain earlier this year, I’ve had a dream of being able to receive all the over-the-air signals at our house here in Castle Rock.  I would like nothing more than to stop flushing $22 a month down the toilet to

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Unburied Cable Line + Extra Irrigation Pipe

About a month ago, I was having a lot of trouble with my cable modem. Going offline a few times a day, poor transfer speeds, etc.  Comcast decided I needed a new drop to the street (which, I can’t really complain about too much: it’s been working great since.)  Anyway, I’ve had a coax cable

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