August 2008 Archives

Die automatisierte IT-Infrastruktur: Puppet, iClassify, und Capistrano

veröffentlicht von Edmund Haselwanter am Aug 27, 2008
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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Der Apache Webserver und Tomcat Virtuelle Hosts

veröffentlicht von Edmund Haselwanter am Aug 25, 2008
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. weiterlesen…

Das Amazon Elastic Block Store (EBS) Service

veröffentlicht von Edmund Haselwanter am Aug 22, 2008
Tags: amazon, aws, cloud, ebs, ec2

There is a new kid on the block: Amazon Elastic Block Store

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Poolparty, ein interessantes Projekt für Autoskaliertes Cloud Computing

veröffentlicht von Edmund Haselwanter am Aug 21, 2008
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 :-) weiterlesen…

HAProxy: der High-Availability Load Balancer mit Failover und Session Support

veröffentlicht von Edmund Haselwanter am Aug 20, 2008
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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Interessante EC2 AMI Images

veröffentlicht von Edmund Haselwanter am Aug 19, 2008
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. weiterlesen…

EC2 Deployment einfach gemacht: Capistrano und Capazon

veröffentlicht von Edmund Haselwanter am Aug 19, 2008
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. weiterlesen…

Rund um den Amazon EC2 Service

veröffentlicht von Edmund Haselwanter am Aug 14, 2008
Tags: amazon, aws, cloud, ec2

I've collected some useful information about cloud computing/amazon EC2 on the web weiterlesen…

Amazon EC2

veröffentlicht von Edmund Haselwanter am Aug 11, 2008
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. weiterlesen…

Wie man Google Sitemaps mit dem Radiant CMS realisiert

veröffentlicht von Edmund Haselwanter am Aug 10, 2008
Tags: google, radiant

added a sitemap and google sitemap following the great tutorial on radiantcms.org: HowToMakeASiteMap

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Wie man Rails in der Netbeans 6.1 IDE debuggen kann

veröffentlicht von Edmund Haselwanter am Aug 09, 2008
Tags:

checkout this if you are experience problems while debugging a rails app in Netbeans 6.1

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