August 2008 Archives
Posted by Edmund Haselwanter on Aug 26, 2008
Tags: amazon, aws, capistrano, cloud, ec2, environment 2.0, high availability, iclassify, puppet
Technorati Tags: amazon, aws, capistrano, cloud, ec2, environment 2.0, high availability, iclassify, puppet
There is a new hype: cloud computing. Your web site traffic grows? Add a new application server. Want to increase availability? Add a new web server. Among others Amazon offers a whole bunch of infrastructure to support these needs. But it is not enough to fire up a server. The web server should include apache, the app server should include tomcat. The deployment should be aware of the new app server. This is where Puppet, iClassify, and Capistrano come into play. Puppet does the configuration management, installs your desired web and app server.
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Posted by Edmund Haselwanter on Aug 25, 2008
Tags: apache, cloud, tomcat
Technorati Tags: apache, cloud, tomcat
Problem description: You want to server multiple web applications with one Tomcat instance. The brute force variant is to just "rewrite" or ProxyPass the request from e.g. www.myhost.com to the local tomcat with localhost:8080/myhost. But this leads to context urls of ressources in the served html pages. You can either deploy you webapp in the ROOT context (but there is just ONE ROOT context, so this does not work). So let us use virtual hosts on both, the apache webserver and the tomcat servlet container.
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Posted by Edmund Haselwanter on Aug 22, 2008
Tags: amazon, aws, cloud, ebs, ec2
Technorati Tags: amazon, aws, cloud, ebs, ec2
There is a new kid on the block: Amazon Elastic Block Store
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Posted by Edmund Haselwanter on Aug 21, 2008
Tags: amazon, aws, cloud, ec2, environment 2.0
Technorati Tags: amazon, aws, cloud, ec2, environment 2.0
Poolparty is a very interesting project. It promises easy cloud computing with Amazon EC2. The project undergoes a heavy rewrite of its core, so we ought to stay tuned :-)
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Posted by Edmund Haselwanter on Aug 20, 2008
Tags: amazon, aws, cloud, ec2, high availability
Technorati Tags: amazon, aws, cloud, ec2, high availability
HAProxy seems very promising as a production use software loadbalancer. The only drawback with this solution is that one still has to use some extra piece of middleware to terminate a ssl session (stunnel, apache).
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Posted by Edmund Haselwanter on Aug 19, 2008
Tags: amazon, ami, aws, cloud, ec2
Technorati Tags: amazon, ami, aws, cloud, ec2
I believe in not inventing the wheel;-) That's another incarnation of DRY ... So a good starting point for AMI images are the ones of Rightscale.
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Posted by Edmund Haselwanter on Aug 19, 2008
Tags: amazon, aws, capistrano, cloud, ec2, environment 2.0
Technorati Tags: amazon, aws, capistrano, cloud, ec2, environment 2.0
Capistrano is a tool for deploying and managing remote servers. Its origin is (ruby based;-) on deploying rails applications.
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Posted by Edmund Haselwanter on Aug 14, 2008
Tags: amazon, aws, cloud, ec2
Technorati Tags: amazon, aws, cloud, ec2
I've collected some useful information about cloud computing/amazon EC2 on the web
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Posted by Edmund Haselwanter on Aug 11, 2008
Tags: amazon, aws, cloud, ec2, tomcat
Technorati Tags: amazon, aws, cloud, ec2, tomcat
made my way through the deployment of webapp (tomcat 6) on Amazon EC2 the very famous webservice products from Amazon.
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Posted by Edmund Haselwanter on Aug 10, 2008
Tags: google, radiant
Technorati Tags: google, radiant
added a sitemap and google sitemap following the great tutorial on radiantcms.org: HowToMakeASiteMap
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Posted by Edmund Haselwanter on Aug 09, 2008
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checkout this if you are experience problems while debugging a rails app in Netbeans 6.1
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