Monthly Archives: July 2009

fixing the disabled snapshot button in vmware fusion

I recently created a new CentOS 5 vmware image. Unfortunately the “Take Snapshot” button was disabled while the system was running. After searching around I found this post. What you need to do is open up your vmx file and comment out (disable) the following line: scsi0:0.mode = "independent-persistent" Others have also reported finding the following line in [...]
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automate installing tripwire using expect

tripwire is a handy part of an intrusion detection system. It’s a nice piece of software but the installer is interactive which makes it a pain to install automatically (e.g. when using PoolParty/EC2). Below is a simple expect script I whipped up to solve the make install problem. Hopefully this will save someone two or [...]
Posted in deployment, programming, shell, sysadmin, tips | Leave a comment

“Easily” setup a monitored Hadoop / Hive Cluster in EC2 with PoolParty

Summary Setting up a scalable Hadoop cluster isn’t easy, but PoolParty makes it easier and manageable. By the time we’re done with this tutorial you’ll have a Hadoop cluster consisting of one master node and two slaves. The slaves are formatted with HDFS and process MapReduce jobs that are delegated to them from the master. The whole [...]
Posted in hadoop, poolparty, programming, ruby, scalability | 1 Comment