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Debian 5 Lenny Sun Java JDK / JRE on VPS install problem solved

Howto install Sun Java 6 JDK on virtual servers running Debian 5 Lenny with low main memory.
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Grails 1.1 and Groovy 1.6 Java JVM memory settings and tuning

How to change the JVM memory settings in Grails 1.1 and Groovy 1.6 on Linux and Windows systems.[Read More]

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Low Cost Grails / Java Web Hosting - Clean Shutdown of Tomcat without another JVM

Clean shutdown of tomcat normally requires a second java process, which fails under low memory constraints. A solution is shown using the netcat (nc) tool under Linux.

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Low Cost Grails / Java Web Hosting HowTo - vServer memory and java heap size trouble

Sun Java 5 automatic heap size dimensioning does not know about the memory management of a Linux virtual server instance and therefore fails to get the size right. Even simple calls like "java -version" or the installation by your Linux distribution package manager does fail.
Solutions for these kind of problems are given.

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Low Cost Grails / Java Web Hosting - How much server memory do you need?

To host your Grails / Java web application on a dedicated or virtual server (vServer) you'll need to know how much main memory your application needs and how much heap space is available to your application in a known environment. I'll give you formulas I derived from extensive experiments and rule of thumb for calculation with examples.[Read More]

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