我只是在下面运行了脚本，它就将JDK提取并解压缩到正确的位置。问题是每个java命令（复制到 / urs / bin
）都会出错。然后，我通过（进入cd我现在在JDK / bin中）进入JDK安装目录进行仔细检查，然后键入：./java -version和get：，./java: No such file or directory但是java在那里！ls -l在JDK上显示所有java客户端都在 bin中 。

#!/bin/bash
#Author: Yucca Nel http://thejarbar.org
#Will restart system
#Modify these variables as needed...
tempWork=/tmp/work
locBin=/usr/local/bin
javaUsrLib=/usr/lib/jvm

sudo mkdir -p $javaUsrLib
mkdir -p $tempWork
cd $tempWork

#Update this line to reflect newer versions of JDK...
wget http://download.oracle.com/otn-pub/java/jdk/7u2-b13/jdk-7u2-linux-i586.tar.gz

#Extract the download
tar -zxvf $tempWork/*

#Move it to where it can be found...

sudo mv -f $tempWork/jdk1.7* $javaUsrLib/

sudo ln -f -s $javaUsrLib/jdk1.7*/bin/* /usr/bin/
sudo rm -rf $tempWork
#Update this line to reflect newer versions of JDK...
export JAVA_HOME="$javaUsrLib/jdk1.7.0_02"

if ! grep "JAVA_HOME=$javaUsrLib/jdk1.7.0_02" /etc/environment
then
    echo "JAVA_HOME=$javaUsrLib/jdk1.7.0_02"| sudo tee -a /etc/environment
fi

sudo /sbin/reboot

exit 0

跑步ls -l /usr/lib/jvm/jdk1.7.0_02/bin/java给我：yucca@yucca-VirtualBox:~$ -rwxr-xr-x 1 yucca yucca 5654 2011-11-17 22:38 /usr/lib/jvm/jdk1.7.0_02/bin/java

还运行了：file /usr/lib/jvm/jdk1.7.0_02/bin输出为：

/usr/lib/jvm/jdk1.7.0_02/bin: directory