1.下载jdk的rpm安装包,这里以jdk-6u21-linux-i586-rpm.bin为例进行说明
下载地址:http://www.oracle.com/technetwork/java/javase/downloads/index.html
2. 将jdk-6u21-linux-i586-rpm.bin 移动到合适的安装目录上,安装软件不要在/home路径下,这样很容易涉及到不同用户的访问权限,这样对程序的维护,是相当不利的。这里将把安装包移动到/opt目录
- mv jdk-6u21-linux-i586-rpm.bin /opt ;把安装包移动到/opt目录
- cd /opt
3. 给安装包赋予运行权限
- chmod 755 jdk-6u21-linux-i586-rpm.bin
3. 安装该rpm安装包
- [root@localhost opt]# ./jdk-6u21-linux-i586-rpm.bin ;运行安装包
- Unpacking...
- Checksumming...
- Extracting...
- UnZipSFX 5.50 of 17 February 2002, by Info-ZIP (Zip-Bugs@lists.wku.edu).
- inflating: jdk-6u21-linux-i586.rpm
- inflating: sun-javadb-common-10.5.3-0.2.i386.rpm
- inflating: sun-javadb-core-10.5.3-0.2.i386.rpm
- inflating: sun-javadb-client-10.5.3-0.2.i386.rpm
- inflating: sun-javadb-demo-10.5.3-0.2.i386.rpm
- inflating: sun-javadb-docs-10.5.3-0.2.i386.rpm
- inflating: sun-javadb-javadoc-10.5.3-0.2.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 Sun products, services and training
- * Access to early releases and documentation
- Product and system data will be collected. If your configuration
- supports a browser, the Sun Product Registration form for
- the JDK 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..... ;按回车键继续
- Done.
4. 设置环境变量
- [root@localhost opt]# vi /etc/profile ;编辑系统配置文件
- ==================================================================================
- JAVA_HOME=/usr/java/jdk1.6.0_24/ ;增加以下几行
- CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar ;主要是配置路径
- PATH=$JAVA_HOME/bin:$PATH ;
- export JAVA_HOME,PATH,CLASSPATH ;
- :wq ;保存退出
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