Zachary Loeber's Blog

Just another tool making, complexity eating, infrastructure and workload automating, DevOps soldier.

Chicago Commuting Dictionary: The Ugly Train

2010-07-23 3 min read Chicago Commuting Other Zachary Loeber

I think that commuting is starting to drive me a bit crazy. I’m going to vent a bit in the form of a dictionary of what I’ve noticed in the last 2 years working in the city. I’ll start with train types. There are a few kinds of trains that a Chicago commuter can take and I have a name for all of them. Today we are going to talk about the appropriately named “Ugly Train”.

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Yum – List Only Security Updates

I’ve been really MS inundated at work lately with exchange 2010, UAG 2010, and Communicator deployments/migrations. So to balance my life a bit I better do a quick post of a linux hack 🙂 Here is a quick one I tacked together about 6 months ago. This will generate a detailed report of all the security updates you are missing with a description of what the update will fix. You will need the yum-security package installed for this to work.

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BIG-IP: Load Balancer Upgrade

I had the pleasure of doing an F5 BIG-IP load balancer upgrade recently and am happy with the way the F5 people have designed their systems for fail over. Essentially you will use different system partitions to host different versions of their product and you change which one you want to boot to after updating the inactive partition. This, theoretically, means you can always go back to a working configuration if something goes awry. I’m unhappy with how fragmented their documentation is in getting from point A to point B though. Here is a quick rundown of what I had to do…

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