HowTo run IntelliJ IDEA from the RAM-Drive under Linux

Sometimes people need to run IntelliJ IDEA at "readonly" systems.
"Readonly" I mean - without unpacking IDEA into the local file system.

These scripts will help extract and start IDEA from the RAM-Drive and remove it after using:

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idea-setup.sh

#!/bin/bash

IDEA_TAR_GZ=~/downloads/idea-7.0.3.tar.gz
IDEA_HOME=~/idea/idea
export JDK_HOME=/usr/lib/jvm/java-6-sun
export REQUIRED_JVM_ARGS="-Didea.system.path=$IDEA_HOME/system -Didea.config.path=$IDEA_HOME/config"
      
mkdir $IDEA_HOME

sudo mount -t ramfs none $IDEA_HOME
tar -xz --strip 1 --file $IDEA_TAR_GZ -C $IDEA_HOME

$IDEA_HOME/bin/idea.sh

./idea-clean.sh

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idea-clean.sh

#!/bin/bash

IDEA_HOME=~/idea/idea

sudo umount $IDEA_HOME
rm -rf $IDEA_HOME

Of course you should buy IntelliJ IDEA license, get open source license or... use evaluation version.