[[email protected] local]# java -version java version "1.6.0" OpenJDK Runtime Environment (build 1.6.0-b09) OpenJDK 64-Bit Server VM (build 1.6.0-b09, mixed mode) [[email protected] local]# rpm -qa | grep java java-1.6.0-openjdk-1.6.0.0-1.7.b09.el5 java-1.4.2-gcj-compat-1.4.2.0-40jpp.115 [[email protected] local]# rpm -e --nodeps java-1.6.0-openjdk-1.6.0.0-1.7.b09.el5 [[email protected] local]# rpm -e --nodeps java-1.4.2-gcj-compat-1.4.2.0-40jpp.115 [[email protected] local]# java -version -bash: /usr/bin/java: No such file or directory
安装SunJDK：
[[email protected] local]# mkdir java [[email protected] local]# cd java/ [[email protected] java]# pwd /usr/local/java [[email protected] java]# wget http://download.oracle.com/otn/java/jdk/6u45-b06/jdk-6u45-linux-i586.bin [[email protected] java]# chmod +x jdk-6u45-linux-i586.bin [[email protected] java]# ./jdk-6u45-linux-i586.bin
解压安装包后，配置环境变量：
[[email protected] java]# vi /etc/profile
在文件最后一行添加（注意安装路径）：
JAVA_HOME=/usr/local/java/jdk1.6.0_45 JRE_HOME=/usr/local/java/jdk1.6.0_45/jre PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin CLASSPATH=.:$JAVA_HOME/lib/jt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib export JAVA_HOME JRE_HOME PATH CLASSPATH
保存退出后，使其生效后即可：
[[email protected] java]# source /etc/profile [[email protected] java]# java -version java version "1.6.0_45" Java(TM) SE Runtime Environment (build 1.6.0_45-b06) Java HotSpot(TM) Server VM (build 20.45-b01, mixed mode)
时间： 2024-08-06 09:19:07