JDK is compiled and installed under CentOS 6.6 detailed procedure

First step: Download the JDK

Http://download.oracle.com/otn-pub/java/jdk/6u35-b10/jdk-6u35-linux-i586-rpm.bin (32-bit)

Step Two: View the version of the system

Getconf Long_bit

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Step Three:

Uninstall the JDK package that comes with the service

Java-version #查看服务器是否安装过jdk

Rpm-qa |grep GCJ #查看服务器安装的jdk软件包信息

libgcj-4.4.4-13.el6.i686

java-1.5.0-gcj-1.5.0.0-29.1.el6.i686

Yum-y removejava-1.5.0-gcj-1.5.0.0-29.1.el6.i686 #卸载软件包

Fourth step: Add permissions to the JDK software execution

chmod a+x Jdk-6u35-linux-i586-rpm.bin

Fifth step: Execute Jdk-6u35-linux-i586-rpm.bin Software

./jdk-6u35-linux-i586-rpm.bin

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Sixth step: Add JDK to system environment variables

Cp/etc/profile/etc/profile.bak #备份当前环境变量

Vi/etc/profile #编辑, add the following at the end

Java_home=/usr/java/jdk1.6.0_35

Path= $PATH: $JAVA _home/bin:/usr/bin:/usr/sbin:/bin:/sbin:/usr/x11r6/bin

Classpath=.: $JAVA _home/lib/tools.jar: $JAVA _home/lib/dt.jar

Export Java_home

Export PATH

Export CLASSPATH

Seventh step: Make the configuration file effective immediately

Source/etc/profile

Eighth step: Verifying the current JDK version

Java-version

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JDK is compiled and installed under CentOS 6.6 detailed procedure