The Cult of Gary

05 Mar

Compacting vmdk files with LVM

I have to distribute development VMware images to the developers. Since we don’t have office space at this point, we’re using cable modems to transfer the images around. This is a bit of a pain for 2GB+ images.
The image I built uses LVM. When I try to use the vmware-toolbox to compress the vmdk, the [...]

10 Dec

The joys of real hardware

I’m working on building some new linux firewalls right now. It’s the same redundant dual trunked interface setup I’ve been using for a while now. I have two identical boxes that plug into trunk ports the switches. They run heartbeat for fail over.
Here are two things to do when building machines in the real world [...]

01 Dec

Mirroring CentOS

I need a local mirror of CentOS again. But I only want CentOS 5. I’ve done this before, but I figure I should post the script so that I don’t have to write it from scratch again next time.
#!/bin/bash

# change to limit# bandwidthBWLIMIT=256

# call the script with ‘1′ or something# to make it display progressVERBOSE=$1

# [...]

16 Jun

OCFS2 Looks Interesting

There was a discussion on the CentOS mailing list the other day about Oracle Cluster File System 2. I went and checked it out. Well, I read some docs about it anyway.
It’s released under the GPL and it’s not really just for Oracle. It looks to be a share nothing type file system layer. Oracle [...]

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