CentOS卸载系统自带的OpenJDK并安装Sun的JDK的方法

原文地址为: CentOS卸载系统自带的OpenJDK并安装Sun的JDK的方法

查看目前系统的jdk: rpm -qa | grep jdk

得到的结果: 

[root@dc-01 java]#  rpm -qa | grep jdk

java-1.6.0-openjdk-1.6.0.0-1.45.1.11.1.el6.i686 

卸载之:

 [root@dc-01 java]# yum -y remove java-1.6.0-openjdk-1.6.0.0-1.45.1.11.1.el6.i686

等一段时间就Complete了。

下载Sun的JDK。我下载的是 

jdk-6u37-linux-i586-rpm.bin 

如果是64位系统的话,要下载:

 jdk-6u37-linux-x64-rpm.bin

之类的64位专用的包 

到/usr目录下创建java目录,将下载的文件放到/usr/java目录下 

先将这个文件变为可执行文件(chmod 777) :

[root@dc-01 java]# chmod 777 jdk-6u37-linux-i586-rpm.bin 

然后执行这个文件件进行安装:

[root@dc-01 java]# ./jdk-6u37-linux-i586-rpm.bin 
Unpacking...
Checksumming...
Extracting...
UnZipSFX 5.50 of 17 February 2002, by Info-ZIP ([email protected]).
  inflating: jdk-6u37-linux-i586.rpm  
  inflating: sun-javadb-common-10.6.2-1.1.i386.rpm  
  inflating: sun-javadb-core-10.6.2-1.1.i386.rpm  
  inflating: sun-javadb-client-10.6.2-1.1.i386.rpm  
  inflating: sun-javadb-demo-10.6.2-1.1.i386.rpm  
  inflating: sun-javadb-docs-10.6.2-1.1.i386.rpm  
  inflating: sun-javadb-javadoc-10.6.2-1.1.i386.rpm  
Preparing...                ########################################### [100%]
   1:jdk                    ########################################### [100%]
Unpacking JAR files...
rt.jar...
jsse.jar...
charsets.jar...
tools.jar...
localedata.jar...
plugin.jar...
javaws.jar...
deploy.jar...
Installing JavaDB
Preparing...                ########################################### [100%]
   1:sun-javadb-common      ########################################### [ 17%]
   2:sun-javadb-core        ########################################### [ 33%]
   3:sun-javadb-client      ########################################### [ 50%]
   4:sun-javadb-demo        ########################################### [ 67%]
   5:sun-javadb-docs        ########################################### [ 83%]
   6:sun-javadb-javadoc     ########################################### [100%]
Java(TM) SE Development Kit 6 successfully installed.
Product Registration is FREE and includes many benefits:
* Notification of new versions, patches, and updates
* Special offers on Oracle products, services and training
* Access to early releases and documentation
Product and system data will be collected. If your configuration
supports a browser, the JDK Product Registration form will
be presented. If you do not register, none of this information
will be saved. You may also register your JDK later by
opening the register.html file (located in the JDK installation
directory) in a browser.
For more information on what data Registration collects and 
how it is managed and used, see:
http://java.sun.com/javase/registration/JDKRegistrationPrivacy.html

Press Enter to continue..... 

这个时候按一下回车。

出现Done .

至此安装结束。

接下来配置JDK:

 vi /etc/profile打开profile文件,在profile文件的末尾加上:

JAVA_HOME=/usr/java/jdk1.6.0_37
PATH=$JAVA_HOME/bin:$PATH
CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export JAVA_HOME
export PATH
export CLASSPATH 

保存并关闭profile文件,执行source /etc/profile命令让修改生效。

运行下java-version 看一下java版本 :

 [root@dc-01 java]# java -version

java version "1.6.0_37"
Java(TM) SE Runtime Environment (build 1.6.0_37-b06)
Java HotSpot(TM) Client VM (build 20.12-b01, mixed mode, sharing)
[root@dc-01 java]# 

 ================================================

 至此,整个安装过程完毕。


转载请注明本文地址: CentOS卸载系统自带的OpenJDK并安装Sun的JDK的方法

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转载自blog.csdn.net/w36680130/article/details/81605833