Tag Archives: Linux

InstaCompute – a pay-per-use IaaS solution from Tata Communications

Gain on-demand, self-service provisioning and scaling over the internet,within minutes with: Variable compute resources Up to 8-core CPU and 40GB RAM, virtual servers, based  on the latest Nehalem EP and EX generation processors, to maximize performance Dell M1000e blade frames, … Continue reading

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Java Notes-5

Java™ Application Development on Linux® – Free 599 Page eBook Enterprise Java Virtualization: Understanding the TCO Implications InfoWorld’s Java IDE Comparison Strategy Guide: Java Essential Training Apache Jakarta Commons: Reusable Java™ Components Enabling Rapid ROI: With Java™ – Based Business … Continue reading

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Java Notes-3

You need a boolean in the if condition. An overriding method only needs to declare that it can throw a subset of the exceptions the overriden method can throw. Having no throws clause in the overriding method is OK. Normal … Continue reading

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Coder’s Delight- Java 7

The first feature-complete release of JDK 7 is available. It doesn’t mean JDK 7 is done, but the feature list is baked. As of build 123, JDK 7 is feature complete! The big features, as promised, are there (InvokeDynamic and … Continue reading

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Checkstyle~A static code analysis tool

Really big projects require the input of hundreds of programmers, often geographically dispersed and with great differences in skill level. Code reviews are essential to code quality, but no team wants to review tens of thousands of lines of code, … Continue reading

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Writing Custom Task in Ant

Writing Own Task Create a Java class that extends org.apache.tools.ant.Task For each attribute, write a setter method that is public void and takes a single argument Write a public void execute() method, with no arguments, that throws a BuildException — … Continue reading

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How to install Ant?

Installing ANT •             Download Ant binary distribution from:                 Download •             Set ANT_HOME to where you installed Ant •             Include $ANT_HOME/bin in PATH •             Make sure JAVA_HOME is set to point to JDK After successful installation of Ant, run ant … Continue reading

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Built-in Tasks in Ant

Java™ Application Development on Linux® – Free 599 Page eBook Enterprise Java Virtualization: Understanding the TCO Implications InfoWorld’s Java IDE Comparison Strategy Guide: Java Essential Training Apache Jakarta Commons: Reusable Java™ Components Enabling Rapid ROI: With Java™ – Based Business … Continue reading

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Eucalyptus Private Cloud

Eucalyptus Eucalyptus is an Open Source + Commercial Private IaaS service provider. Eucalyptus is a short form of the “Elastic Computing Architecture for Linking Your Programs to Useful Systems”. Eucalyptus includes these features: Features Compatibility with Amazon Web Services API. … Continue reading

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RPM Installation: can’t create transaction lock on /var/lib/rpm/__db.000

When you need to install RPM package in Redhat and you get the following error: Login with su and try to run the RPM command and the problem will be solved.  

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