Migrate to Cloud

Managing Multiple Branches in Subversion

riyasmka — Fri, 11 May 2012 11:07:19 +0000

Subversion (SVN) is a centralized storage for sharing information. The Subversion repository is like a time machine. It keeps all the records of every changes ever committed and allows you to explore this history by examining previous versions of files and directories as well as the metadata that accompanies them. With a single Subversion command, [...]

DevOps on EC2 using Capistrano

riyasmka — Thu, 05 Apr 2012 12:44:21 +0000

DevOps is the combination of development and operation processes. Cloud with your DevOps offers some fantastic properties. The ability to leverage all the advancements made in software development around repeatability and testability with your infrastructure. The ability to scale up as need be real time and among other things being able to harness the power [...]

DevOPS on AWS Cloud using Opscode Chef

unni — Sat, 14 Jan 2012 04:12:11 +0000

‘Rule the Cloud‘ with Chef Chef is Infrastructure as Code,an API for your entire infrastructure. Assuming that you are well versed with cloud if not still you should have atleast heard of cloud computing and it is still an evolving paradigm and Cloud computing companies are the newest buzz in the IT sector. Chef is [...]

Splunk on AWS EC2 CloudSplunk

Sreejith P — Wed, 11 Jan 2012 09:08:29 +0000

Whats is Splunk ? Splunk is a log, monitoring and reporting tool for IT system administrators with search capabilities. It crawls logs, metrics, and other data from applications, servers and network devices and indexes it in a searchable repository from which it can generate graphs, SQL reports and alerts. Splunk can be easily set on [...]

Mapreduce using hadoop + pig/hive on AWS EC2 hadoop cluster

sooraj — Tue, 26 Jul 2011 17:50:39 +0000

This article discuss about running mapreduce jobs using the apache tools called pig and hive.Before we can process the data we need to upload the files to be processed to HDFS/S3. We recommend uploading to hdfs and keeping the important files in s3 for backup is a better practice. s3 is easily accessible from commandline [...]

HADOOP Cluster on AWS EC2 with hadoop-0.20 and ubuntu-10.04

sooraj — Fri, 17 Jun 2011 15:56:55 +0000

Let’s start with a small introduction- what is hadoop ?. Hadoop is an open-source project administered by the Apache Software Foundation. Apache Hadoop is a Java software framework that supports data-intensive distributed applications under a free license. It enables applications to work with thousands of nodes and petabytes of data. Hadoop was inspired by Google’s [...]

Cassandra Cluster on AWS EC2 with Cassandra 7.x and ubuntu 10.04

sooraj — Thu, 16 Jun 2011 16:00:52 +0000

Cassandra is a highly scalable, eventually consistent, distributed, structured key-value store. Cassandra brings together Dynamo’s fully distributed design and Bigtable’s ColumnFamily-based data model. In a cluster, Cassandra nodes exchange information about one another using a mechanism called Gossip. The nodes in a cluster needs to know one another. Nodes named “seed”s are the centre of [...]

Achieving HIPAA on AWS / EC2 with Windows Server 2008

Shankar S — Wed, 15 Jun 2011 12:29:52 +0000

When you are creating a HIPAA compliant system on cloud service like AWS / EC2 / S3, you have to carefully examine the different levels of data security provided by the Cloud Service provider At a minimum level, the following should be ascertained: i) Where is the Cloud provider’s data center physically located. In some [...]

SSL for Tomcat on AWS EC2

riyasmka — Mon, 23 May 2011 12:58:32 +0000

To launch an AWS/EC2 instance, at first setting up a security group to specify what network traffic is allowed to reach the instance. Then select an AMI and launch an instance from it. And create a volume in the same zone of the instance and attach with it. Format the device and mount it to [...]

MySQL Optimization

admin — Fri, 10 Dec 2010 05:28:25 +0000

Database optimization is the process of configuring database to use system resource efficiently and perform tasks quickly. To optimize mysql you should know the work flow of entire system, your hardware, operating system, disk I/O performance etc. Why to Optimize You can do more with less. The default mysql setup is optimized for a minimal [...]