cmdln.org (a sysadmin blog)

Why do applications have such horrible error messages. Non-specific errors are really not any more helpful than not logging at all. (Read More)

Redundant power is a necessity for any highly available system. Most servers have redundant power supplies and the common design pattern is to have each power supply plugged into a power distribution units that are on separate circuits. One challenge with this type of dealing with this type of design is monitoring the power load. (Read More)

Today I woke up to another abrupt Google change, the background image. I know some people want so much candy they can’t see the cane. Some of these changes Google has been making lately makes me wonder if the next time I open up vanilla ice cream I will be looking at a tub of Rocky Road. Yes, the background is only there for a day as publicity for the new feature to make Google more bingesque but I would be pretty upset if my vanilla ice cream turned to Rocky Road as well, even if only for a day. (Read More)

I don’t have much to say about the loss. Henry Sieff was a brilliant network, security engineer and friend. (Read More)

Recently I was building a ZenPack for Zenoss. The ZenPack included an Event Command which executed a custom script. I wanted to store the custom script in the ZenPack and I didn’t want to do anything other than have proper script dependencies in place for it to work. (Read More)