DevOps
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Concepts of SNMP (including v3)
SNMP Purpose. SNMP is a protocol for getting the status (e.g., CPU load, free memory, network load) of computing devices…
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No downtime deploy with capistrano, Thin and nginx
As I mentioned a couple of weeks ago I’ve been working on a tutorial about thinking through problems in graphs…
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ARM Virtualization – I/O Virtualization (Part 3)
In the second part of the series we introduced memory management and interrupt handling support provided by virtualization hardware extensions.…
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Monitoring S3 uploads for a real time data
If you are working on Big Data and its bleeding edge technologies like Hadoop etc., the primary thing you need…
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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…
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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…
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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…
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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…
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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…
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