linux部署jdk脚本文件

转自：http://futeng.iteye.com/blog/2064143

需求

1. 能自动检测可能默认安装的openJDK，并能删除之。
2. 能自动配置JDK在 /etc/profile的环境。
3. 可携带参数，参数为普通用户名，可将JDK相关配置进普通用户的 .bash_profile环境。

一键安装脚本

脚本即安装文件已经备份到云端

installJDK.sh

Shell代码  

#!/bin/bash  
# shell script to install jdk (default version jdk-6u45-linux-x64.bin)  
# example : ./installJDK.sh  or ./installJDK.sh newLinuxUsername  
# version 1.0   
# created by ifuteng@gmail.com 2014/5/7  
  
# 1. remove openjdk if exists.  
for i in $(rpm -qa | grep jdk | grep -v grep)  
do  
  echo "Deleting rpm -> "$i  
  rpm -e --nodeps $i  
done  
  
if [[ ! -z $(rpm -qa | grep jdk | grep -v grep) ]];  
then   
  echo "-->Failed to remove the defult Jdk."  
else   
  
  # 2.unzip and install JDK(jdk-6u45-linux-x64.bin)  
  
  chmod u+x ./jdk-6u45-linux-x64.bin  
  ./jdk-6u45-linux-x64.bin  
  
  mkdir /usr/java  
  mv ./jdk1.6.0_45 /usr/java/jdk1.6.0_45  
  rm -rf ./jdk1.6.0_45  
    
    
  
  
  # 3. config /etc/profile  
  
  cp /etc/profile /etc/profile.beforeAddJDKenv.20140507.bak  
  
  echo "JAVA_HOME=/usr/java/jdk1.6.0_45" >> /etc/profile  
  echo "CLASSPATH=.:$JAVA_HOME/lib.tools.jar" >> /etc/profile  
  echo "PATH=$JAVA_HOME/bin:$PATH" >> /etc/profile  
  echo "export JAVA_HOME CLASSPATH PATH" >> /etc/profileo   
  
    
  #echo "-->JDK environment has been successed set in /etc/profile."  
  
  # 4. config user's .bash_profile  
  if [[  -z "$1" ]] ;  
  then   
    #echo "-->Config .bash_profile for JDK environment from $1"  
    username=$1  
    user_bash_file=/home/$username/.bash_profile  
      
    #cp $user_bash_file user_bash_file.beforeAddJDKenv.20140507.bak  
  
    cp /home/$username/.bash_profile /home/$username/.bash_profile.beforeAddJDKenv.20140507.bak  
  
    echo "export JAVA_HOME=/usr/share/jdk1.6.0_20" >> $user_bash_file  
    echo "export PATH=$JAVA_HOME/bin:$PATH" >> $user_bash_file  
    echo "export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar" >> $user_bash_file  
  
  fi  
  
  # 5. Test JDK evironment  
  if [[ ! -z $(ls /user/java/jdk1.6.0_45) ]];  
  then  
    echo "-->Failed to install JDK (jdk-6u45-linux-x64 : /usr/java/jdk1.6.0_45)"  
  else   
    echo "-->JDK has been successed installed."  
    echo "java -version"  
    java -version  
    echo "javac -version"  
    javac -version  
    echo "ls $JAVA_HOME"$JAVA_HOME  
    ls $JAVA_HOME  
  
  fi  
fi  

使用脚本

因为只求简单的实现，所以并为花时间考虑潜在的各种异常。
默认使用jdk-6u45-linux-x64.bin(当然替换也异常方便)，注意脚本和安装文件需要放在同个目录下。
将脚本粘贴到任意文本工具，选择jdk-6u45-linux-x64.bin，全部替换为你的JDK版本即可。

使用示例

Shell代码  

# 不带参数  

./installJDK.sh   

# 参数为普通用户名  

 ./installJDK.sh newLinuxUsername