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Posts By : Abel Ureta-Vidal

News and Blog

Abel Ureta-Vidal

Amazon AWS EC2 changing instance type

If you haven't noticed, AWS recently announced a feature to change the type of instance on EBS backed instances. This feature is particularly useful if you want to add more computing power to an instance to perform certain task and then can scale it..

Abel Ureta-Vidal

Elasticfox Firefox - AWS EC2 add-on for Firefox 4.0, 5.0, 6.0, 7.0 and higher with t1.micro instance support

If you are a regular Amazon Web Services user, Elasticfox Firefox extension is a must to avoid the hassle of providing credentials on AWS console frequently. If you are not aware of this add-on, please do read the Elasticfox Getting Started Guide.

Abel Ureta-Vidal

How to Convert S3-backed (instance store) AMI to EBS-backed AMI

In one of the recent Amazon Deep Dive Workshop, we were handed a cheat sheet to turn a Linux S3 instance to EBS backed instance. This is one of the simplest process I have come across.

Abel Ureta-Vidal

Cloud Computing Security - not risky for every system

While cloud computing is one of the top current trends in the IT industry, pharmaceutical sector (where the sensitive data is traditionally being protected behind corporate firewalls) has concerns about cloud security. Keeping aside the law and..

Abel Ureta-Vidal
Abel Ureta-Vidal

Changing MySQL DB parameter on Amazon RDS instance

November 16, 2010 / 2 Comments / in Amazon, AWS, Big data technology, Blog, MySQL, RDS / by Abel Ureta-Vidal

MySQL instances on Amazon RDS service usually comes with default MySQL configuration settings, which might not always work for our needs. For example: we had to change max_allowed_packet DB parameter value to allow importing large DNA sets. This is..

Abel Ureta-Vidal

SaaS (Software as a Service) a blessing for bioinformatics users?

In these tough economic conditions more and more organisations are looking for ways to reduce their operational and maintenance costs. Businesses are turning towards SaaS (Software as a Service) model because they no longer have to worry about..

Abel Ureta-Vidal

Amazon S3 as a File System in Amazon EC2

September 20, 2010 / 3 Comments / in AWS, Big data technology, EC2, S3 / by Abel Ureta-Vidal

As a cloud application developer, shared storage on EC2 is particularly challenging when GBs of data has to be accessed by 100s of EC2 instances. One particular option we explored is leveraging our Amazon S3 storage to mount on EC2 instances and use..

Abel Ureta-Vidal

Eucalyptus has now a serious competitor

I discovered in this article by Joseph Forn that Eucalyptus, the well known open source infrastructure software to establish cloud environment, is in fact not 100% open source. The story goes that a code contributor, namely NASA, using Eucalyptus..

Abel Ureta-Vidal

Genotyping/Resequencing in clinical trials?

I've been to a couple of seminar series in the last month that had something or partly to do with clinical trials data management. The first one was on July 13th 2010 at Granta Park, Cambridge UK. The seminar was the occasion to announce the launch..

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