Linux 安装与配置JDK1.7.0_55

Linux 安装与配置JDK1.7.0_55

1.环境：

# lsb_release -a

LSB 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:      Final

2.下载JDK地址：

http://www.oracle.com/technetwork/java/javase/downloads/index.html

3.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.rpm

4.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 CLASSPATH

chmod 755 /etc/profile.d/java.sh

单用户：

$HOME/.bash_profile文件

5.校验

# java -version

java 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

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