Java JDK 在CentOS 5.6上的安装(JDK Installation for CentOS 5.6(64-bit))
1.上传安装文件(jdk-6u26-linux-x64.bin)2.修改权限[root@localhost ~]# ls -l /usr/local/jdk-6u26-linux-x64.bin-rw-r--r-- 1 root root 60569605 Aug 4 21:31 /usr/local/jdk-6u26-linux-x64.bin[root@localhost ~]# chmod oug+x /usr/local/jdk-6u26-linux-x64.bin[root@localhost ~]# ls -l /usr/local/jdk-6u26-linux-x64.bin-rwxr-xr-x 1 root root 60569605 Aug 4 21:31 /usr/local/jdk-6u26-linux-x64.bin
3.执行安装文件[root@localhost ~]# cd /usr/local[root@localhost local]# ./jdk-6u26-linux-x64.bin
4.设置环境变量[root@localhost local]# vim /etc/profile
在文件末尾添加以下代码JAVA_HOME=/usr/local/jdk1.6.0_26CLASS_PATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jarPATH=$PATH:$JAVA_HOME/binexport JAVA_HOME CLASS_PATH PATH
使用source使配置文件立即生效[root@localhost local]# source /etc/profile
5.测试Java查看当前Java版本[root@localhost local]# java -versionjava version "1.6.0_26"Java(TM) SE Runtime Environment (build 1.6.0_26-b03)Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode) 编写Java程序测试[root@localhost local]# cd ~[root@localhost ~]# vim test.java public class test{ public static void main(String args [ ]) { System.out.println("This is a java JDK test program!"); }}
编译并执行test[root@localhost ~]# javac test.java[root@localhost ~]# java testThis is a java JDK test program! 采用SSH远程执行命令理解Linux Load Average相关资讯 CentOS
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