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Linux 安装与配置JDK1.7.0_551.环境:# lsb_release -aLSB Version: :core-4.0-amd64:core-4.0-ia32:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-ia32:printing-4.0-noarch
Distributor ID: CentOS
Description: CentOS release 5.8 (Final)
Release: 5.8
Codename: Final2.下载JDK地址:http://www.oracle.com/technetwork/java/javase/downloads/index.html3.安装JDK上传已经下载好的java至服务器;# mkdir /usr/java# rpm -ivh rpm -ivh jdk-7u55-linux-x64.rpm4.环境变量设置所有用户:cat /etc/profile.d/java.sh#set java environment
JAVA_HOME=/usr/java/jdk1.7.0_55
JAVA_BIN=/usr/java/jdk1.7.0_55/bin
CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
PATH=$JAVA_BIN:$PATH
export PATH JAVA_HOME CLASSPATHchmod 755 /etc/profile.d/java.sh单用户:$HOME/.bash_profile文件5.校验# java -versionjava version "1.7.0_55"
Java(TM) SE Runtime Environment (build 1.7.0_55-b13)
Java HotSpot(TM) 64-Bit Server VM (build 24.55-b03, mixed mode)# javac# java本文永久更新链接地址