I've been playing a bit with Hadoop. Below you'll find notes and screenshots showing how to install a simple development setup (on a virtual server).

You'll need

• A Linux Server. I'm using Ubuntu 12.04 LTS 64 bit, but any should do
• Java JDK 1.6_24 64 bit for Linux (jdk-6u24-linux-x64.bin) get it here
• Hadoop 1.0.4 (hadoop-1.0.4-bin.tar.gz) get it ( Read more... )

I had an old build server that was running low on disk space.

The server was virtual and it was running Ubuntu 10.10 configured with LVM.

LVM means Logical Volume Managment, and it's a virtual layer upon the physical disks (or virtual disks in this case). LVM makes it easy to expand the disk space without the need to move files ( Read more... )