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Installing Java in RHEL 7

To install Java in Redhat Enterprise Linux follow these steps:

  • we are installing from OpenJDK rpm with command line

Run the following command to install the developer version of OpenJDK

# yum install java-1.7.0-openjdk-devel
  • (Optional) It is sometimes required to set the JAVA_HOME path variable.




You can know the java path by

echo $JAVA_HOME

It will give the path where Java is



In my case it was something like :

/usr/lib/jvm/jre-1.8.0-openjdk/bin/java


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remember it might be different in your case.



Now,

in .bashrc file which is in home directory lets add the java home path as:

I am editing the file in vim editor


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[[email protected] ~]$ vi .bashrc

at the bottom of file add the java path in following format:

export JAVA_HOME="/path/to/java/home"

in my case, I added:

#java home path
export JAVA_HOME="/usr/lib/jvm/jre-1.8.0-openjdk/bin/java"

To save first press Ctrl+ O and then

:wq

semicolon and then w and q and press enter.



You are done!


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You can check the java version installed with:

java -version


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My output was:

java version "1.7.0_141"
OpenJDK Runtime Environment (rhel-2.6.10.1.el7_3-x86_64 u141-b02)
OpenJDK 64-Bit Server VM (build 24.141-b02, mixed mode)

You can get full documentation here

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Lakshman Basnet
Digital Media Marketer from Nepal currently based in Adelaide, South Australia who apart from playing with his cat - Eleven, also enjoys developing web content, publishing blogs and YouTube videos in his free time.

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