Centos7 JDK 自动安装脚本

[文件] insJDK.sh

	#!/bin/bash

	# shell script to install jdk

	# Check if user is root

	if [ $(id -u) != "0" ]; then

	    echo "Error: You must be root to run this script, please use root to install JDK"

	    exit 1

fi

	clear

	cur_dir=$(pwd)

	sys_bit=$(getconf LONG_BIT)

	#software version default value

	jdk_pre="7u75-b13/"

	jdk_version="jdk-7u75-linux"

	jdk_url="jdk1.7.0_75"

	#Get system bit version

	case "$sys_bit" in

64)

	sys_bit="x64"

;;

32)

	sys_bit="i586"

;;

*)

	echo "We don't know your system bit version,We think it's about x86 bit system"

	sys_bit="i586"

	esac

	#which JDK version do you want to install?

	echo "========================================="

	echo "which JDK version do you want to install?"

	echo "Install JDK 1.7,Please input 7 or press Enter"

	echo "Install JDK 1.8,Please input 8"

	read -p "(Please input 7 or 8):" jdk_version

	case "$jdk_version" in

7)

	echo "You will install JDK 1.7(7u75_$sys_bit)"

	jdk_pre="7u75-b13/"

	jdk_version="jdk-7u75-linux"

	jdk_url="jdk1.7.0_75"

;;

8)

	echo "You will install JDK 1.8(8u31_$sys_bit)"

	jdk_pre="8u31-b13/"

	jdk_version="jdk-8u31-linux"

	jdk_url="jdk1.8.0_31"

;;

*)

	echo "INPUT error,You will install JDK 1.7(7u75_$sys_bit)"

	jdk_version="jdk-7u75-linux"

	esac

	# 1. remove openjdk if exists.

	for i in $(rpm -qa | grep openjdk | grep -v grep)

do

	  echo "Deleting rpm -> "$i

	  rpm -e --nodeps $i

	done

	function downloadJDK(){

	if [ -s jdk-$jdk_version-$sys_bit.tar.gz ]; then

	  echo "jdk-$jdk_version-$sys_bit.tar.gz [found]"

	  else

	  echo "Error: jdk-$jdk_version-$sys_bit.tar.gz not found!!!download now......"

	  wget --no-check-certificate --no-cookie --header "Cookie: oraclelicense=accept-securebackup-cookie;" http://download.oracle.com/otn-pub/java/jdk/$jdk_version-$sys_bit.tar.gz

fi

	#7x32 http://download.oracle.com/otn-pub/java/jdk/7u75-b13/jdk-7u75-linux-i586.rpm

	#7x64 http://download.oracle.com/otn-pub/java/jdk/7u75-b13/jdk-7u75-linux-x64.rpm

	#7x32 http://download.oracle.com/otn-pub/java/jdk/7u75-b13/jdk-7u75-linux-i586.tar.gz

	#7x64 http://download.oracle.com/otn-pub/java/jdk/7u75-b13/jdk-7u75-linux-x64.tar.gz

	#8x64 http://download.oracle.com/otn-pub/java/jdk/8u31-b13/jdk-8u31-linux-x64.tar.gz

	#8x32 http://download.oracle.com/otn-pub/java/jdk/8u31-b13/jdk-8u31-linux-i586.tar.gz

	#8x64 http://download.oracle.com/otn-pub/java/jdk/8u31-b13/jdk-8u31-linux-x64.rpm

	#8x32 http://download.oracle.com/otn-pub/java/jdk/8u31-b13/jdk-8u31-linux-i586.rpm

}

	function installJDK(){

	# 1.unzip and install JDK

	  mkdir /usr/java

	  tar -zxvf $jdk_version-$sys_bit.tar.gz -C /usr/java

	  # 2. config /etc/profile

	  echo "export JAVA_HOME=/usr/java/$jdk_url" >>/etc/profile

	echo -e 'export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar'>>/etc/profile

	  echo -e 'export PATH=$PATH:$JAVA_HOME/bin'>>/etc/profile

	  source /etc/profile

}

	if [[ ! -z $(rpm -qa | grep openjdk | grep -v grep) ]];

	then

	  echo "-->Failed to remove the defult JDK."

	else

	# 2. download JDK

	downloadJDK  2>&1 | tee -a /root/jdk-install.log

	# . install JDK

	installJDK  2>&1 | tee -a /root/jdk-install.log

fi

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Centos7 JDK 自动安装脚本

[文件] insJDK.sh