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Tips running Hadoop on Ubuntu

Below is some tips when running Hadoop on Ubuntu. If you find some errors running Hadoop on Ubuntu please comment the problem and how you solved it. When you get this Warning: $HADOOP_HOME is deprecated Solution: add “export HADOOP_HOME_WARN_SUPPRESS=”TRUE””  in the hadoop-env.sh. Cannot create directory `/usr/local/hadoop/libexec/../logs Solution: sudo chown -R hduser:hadoop /usr/local/hadoop/ Enter passphrase when running ./start-all.sh […]

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Install WebSphere Application Server V7 on Ubuntu

If you want to install WAS V7 on Ubuntu the IBM Installation Manager will show you the follow error: Ubuntu Linux is not supported. Follow the steps below to install: Step 1. Change from dash to bash sudo ln -sf /bin/bash /bin/sh Step 2: Open /etc/lsb-release and change the following: DISTRIB_ID=Ubuntu         […]

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Cloud computing in South Africa

The world is wiating for the big reveal from big companies like IBM and Microsoft to reveal their big cloud solution, but will South Africa really feel the affect of the cloud technology or will we be left in the dark until our telco infrastructure improves?Is there a way we can create our own cloud […]

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