yum remove *jdk* -y
#修改selinux以及修改最大文件打开数
echo -e "root soft nofile 65535\nroot hard nofile 65535\n* soft nofile 65535\n* hard nofile 65535" >> /etc/security/limits.conf
echo -e "* soft nproc 65535\nroot soft nproc unlimited" > /etc/security/limits.d/90-nproc.conf
#挂载磁盘
mkfs.ext4 /dev/sdc
mkdir /data
echo -e "/dev/sdc /data ext4 defaults 0 0" >> /etc/fstab
mount -a
#二进制安装jdk
mkdir /usr/local/java
tar -xf jdk1.7.0_80.tar.gz
chmod -R 777 jdk1.7.0_80/*
vim /etc/profile.d/jdk.sh
export JAVA_HOME=/usr/local/java/jdk1.7.0_80
export JRE_HOME=/usr/local/java/jdk1.7.0_80/jre
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib:$CLASSPATH
export PATH=$JAVA_HOME/bin:$PATH
#关闭防火墙以及selinux
service iptables stop
chkconfig iptables off
sed -i 's/SELINUX=enforcing/SELINUX=disabled/ig' /etc/selinux/config
