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Capistrano: Deploying to a Vagrant VM
I’ve been working on a tutorial around thinking through problems in graphs using my football graph and I wanted to deploy it on a local vagrant VM as a stepping stone to deploying ...
Install, setup and start MongoDB on Windows
This post will provide the full path from downloading required binary archive/package for particular Windows version to starting up MongoDB in various ways. Following are the high ...
How do you measure Devops?
If you’re trying to convince yourself (or the team or management) that your operations program needs to be changed for the better, and that trying a Devops approach makes sense – ...
Installing TomEE from Puppet
Apache TomEE is an all-Apache stack aimed at Java EE 6 Web Profile certification where Tomcat is top dog. It is the conjunction of Tomcat + Java EE. Puppet is a tool designed to manage ...
Monitoring the monster with RHQ
The classical RHQ setup assumes an agent and agent plugins being present on a machine (‘platform’ in RHQ-speak). Plugins then communicate with the managed resource (e.g. ...
ARM Virtualization Extensions – Memory and Interrupts (Part 2)
In the first part of this series, I introduced the topic of virtualization. Today I will venture deeper into the ARM virtualization extensions for memory management and handling of ...
Basic concepts of OpenLDAP
LDAPLDAP is just a type of database specialized for look ups. Reads are fast while writes are supported but relatively slow. That’s why LDAP is commonly used to store centralized ...
Basic IPv6 concepts
Basic concept IPv6 is a completely separate protocol from IPv4! It means that the configuration and operation of IPv6 have nothing to do with those of IPv4 at all. They will run independently ...
ARM Virtualization Extensions – Introduction (Part 1)
Sorry guys for another hiatus, my job at Calxeda keeps me busy. I was recently discussing ARM’s virtualization support with my friend Ali Hussain (yup, that’s our idea of a fun ...
Virtual Host + Nginx + Tomcat
In my Virtual Host + Apache httpd server + Tomcat + mod_jk connector post has lots of comments. and i hope everyone like that. But problem is very difficult to install and configure ...
