Interesting Dell iDRAC Tricks

Deploying a bunch of machines all at once? Know your way around for loops in shell scripts, or Excel enough to do some basic text functions & autofill? You, too, can set up a few hundred servers in one shot. Here’s some interesting things I’ve done in the recent past using the Dell iDRAC out-of-band hardware management controllers. You need to install the racadm utility on your Windows or Linux host. I’ll leave this up to you, but you probably want to look in the Dell Downloads for your server, under “Systems Management.” I recently found it as “Dell OpenManage DRAC Tools, includes Racadm” in 32- and 64-bit flavors. Basic Command The basic racadm command I’ll represent with $racadm from …

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Performance Tuning and Configuration Management Go Hand In Hand

This is post #3 in my December 2013 series about Linux Virtual Machine Performance Tuning. For more, please see the tag “Linux VM Performance Tuning.” I’ve really become a fan of configuration management tools like Chef and Puppet. Those types of tools help keep my systems in sync, help enforce standards I set for my systems, and help me rapidly deploy new systems that look exactly like my existing systems. When I’m doing performance testing & tuning these aspects are helpful. It’s easy to deploy a new virtual machine that looks exactly like the production VMs you have. Tuning is all about making a lot of little changes and seeing what they do, so by building test systems from the …

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