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Posts tagged as “Sysadmin”

Simple update and clone an Amazon EC2 EBS Boot image

Introduction Well there is already an update to Chef’s Ohai library. At first I thought, “Oh no, I have to generate another EC2 image”. But then I remember reading that you can update and clone a running EBS boot image. One of the cool features of using an Amazon EC2 instance that boots from an EBS Snapshot is that its…

Using the Official Opscode 0.8.x Gems to build EC2 AMI Chef Client and Server

Updates Mar 3, 2010 Added call to script ec2-set-defaults that is normally called on ec2 init that sets the locale and apt sources for EC availability Zone Introduction Opscode has officially released 0.8.x of Chef. It is now even more fabulous. I’ve been using the pre-release version for the last couple of months and it is rock steady and very…

Creating an Amazon EC2 AMI for Opscode Chef 0.8 Client and Server

Changes Since Original 1/13/10: Fix various minor inaccuracies and improved description on how to set up the chef-server. Also removed nanite as a requirement (its no longer used) 1/17/10: Add the requirement to build and install mixlib-authentication for the chef-client 1/21/10: Added a mkdir for /var/log/chef 1/22/10: Added step to insure that /tmp permissions are set Introduction Here’s my experience…

Experience installing Hbase 0.20.0 Cluster on Ubuntu 9.04 and EC2

NOTE (Sep 7 2009): Updated info on need to use Amazon Private DNS Names and clarified the need for the masters, slaves and regionservers files. Also updated to use HBase 0.20.0 Release Candidate 3 Introduction As someone who has “skipped” Java and wants to learn as little as possible about it, and as one who has not had much experience…

HOWTO: Install iClassify on Ubuntu and Mac OS X Leopard

Update: The folks who developed iClassify have come out with a total framework that is an alternative to iClassify/Puppet called opscode-chef. I will be looking into that soon and not do anymore work with iClassify (unless Chef turns out to suck or something, but at first glance it looks pretty good!). [After playing with Chef, my conclusion is forget about…

Hadoop, HDFS and Hbase on Ubuntu & Macintosh Leopard

UPDATE: This has been replaced by a newer post Experience installing Hbase 0.20.0 Cluster on Ubuntu 9.04 and EC2 . I found that using the pre-built distributions of Hadoop and HBase much better than trying to build from source. I need more Java/Ant-fu to do the build from scratch. The HBase-0.20.0 Release Candidates are really great and seemingly easier to…