ubuntu的终端输入以下命令进行JDK和hosts的配置
配置hosts
sudo gedit /etc/hosts 打开hosts文件
sudo /etc/init.d/networking restart 重启网络连接
配置JDK
sudo tar zxvf jdk-8u101-linux-x64.tar.gz -C /usr/lib/jvm 把JDK包解压到/usr/lib/jvm
cd /usr/lib/jvm 进入此文件夹
sudo mv jdk1.8.0_101 java 移动文件至此文件夹
sudo gedit ~/.bashrc 打开bashrc文件
sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/java/bin/java 300
sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/java/bin/javac 300
sudo update-alternatives --install /usr/bin/jar jar /usr/lib/jvm/java/bin/jar 300
sudo update-alternatives --install /usr/bin/javah javah /usr/lib/jvm/java/bin/javah 300
sudo update-alternatives --install /usr/bin/javap javap /usr/lib/jvm/java/bin/javap 300
sudo update-alternatives --config java
java -version