Linux JDK Installation

Source: Internet
Author: User

Jdk

Inspection System Original Version
[Email protected] ~]# java-version
Java Version "1.6.0_24"
OpenJDK Runtime Environment (IcedTea6 1.11.1) (rhel-1.45.1.11.1.el6-x86_64)
OpenJDK 64-bit Server VM (build 20.0-b12, Mixed mode)

To view the JDK information further:

[Email protected] ~]# Rpm-qa | grep java
Tzdata-java-2012c-1.el6.noarch
Java-1.6.0-openjdk-1.6.0.0-1.45.1.11.1.el6.x86_64
To uninstall OPENJDK, perform the following actions:

[Email protected] ~]# rpm-e--nodeps tzdata-java-2012c-1.el6.noarch
[Email protected] ~]# rpm-e--nodeps java-1.6.0-openjdk-1.6.0.0-1.45.1.11.1.el6.x86_64

Uninstall: Yum-y Remove java-1.7.0-openjdk*
Yum-y Remove Tzdata-java.noarch
Install: Automatically configure environment variables
Yum-y Install java-1.7.0-openjdk*

Vi/etc/profile
Export java_home=/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.91.x86_64
Export classpath=.: $JAVA _home/jre/lib/rt.jar: $JAVA _home/lib/dt.jar: $JAVA _home/lib/tools.jar
Export path= $PATH: $JAVA _home/bin
Source/etc/profile

Linux JDK Installation

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