I was working with a coworker today to setup a new Redmine server running on top of Ubunut 12.04 and one of the steps we completed in the process was setting up LDAP authentication in Redmine. Setting up LDAP authentication in Redmine requires the server running Redmine to be joined to the Windows Active Directory domain so I needed a quick way to auth Linux on Active Directory. I have used Centrify in the past and remember it being really easy to setup authentication from any form of Linux to a Windows domain and again it did not disappoint. Follow the directions below to join a Linux server to Active Directory using Centrify.

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In the past I have used likewise-open to join Linux servers to a Windows domain controller. There were always at least some issues using likewise-open and even though it was always possible to get it working it was always a pain. Today I started the process and of course ran into an error which is noted below in more detail so I did some research and came across centrify which ended up being much easier and worked without issue. Use the instructions below to install, configure, and use centrify to join a Linux server to a Windows DC.

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