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Improve Performance by caching and compression
Web page designs are becoming innovative with rich interface which involve extra code such as java scripts, css, and images etc. Most of the end-user response time tied-up in downloading ...
Hosting Provider ‘Upgrade’ Changes Stolen CPU
Recently, a hosting provider’s ‘upgrade’ dramatically changed the stolen CPU time on one of our systems. I investigated and found that our virtual machine’s CPU allocation had ...
ARM Virtualization – Applications (Part 4)
In the last few posts we discussed the hardware support needed to provide virtualization. In this post how virtualization can empower the user. We’ll discuss the use cases we already ...
Concepts of SNMP (including v3)
SNMPPurpose. SNMP is a protocol for getting the status (e.g., CPU load, free memory, network load) of computing devices such as routers, switches and even servers. Object descriptor, ...
Using Vagrant AWS with Capistrano
Vagrant 1.1 was recently released, adding support for virtualization providers other than VirtualBox. Among the providers now available is one for AWS. In switching my Vagrant workflow ...
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 and since it’s a Sinatra application I thought thin would be a decent ...
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. But effective virtualization solutions ...
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 is a “dataset” to work on. So, this data can be reviews, blogs, ...
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 ...
