sudo -i
sudo yum install wget -y Example: wget --no-check-certificate -c --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u181-b13/96a7b8442fe848ef90c96a2fad6ed6d1/jdk-8u181-linux-x64.tar.gz
tar -xvzf jdk-8u181-linux-x64.tar.gz
mv jdk1.8.0_181 /usr/java/
alternatives --install /usr/bin/java java /usr/java/jdk1.8.0_181/bin/java 2 alternatives --config java alternatives --install /usr/bin/jar jar /usr/java/jdk1.8.0_181/bin/jar 2 alternatives --install /usr/bin/javac javac /usr/java/jdk1.8.0_181/bin/javac 2 alternatives --set jar /usr/java/jdk1.8.0_181/bin/jar alternatives --set javac /usr/java/jdk1.8.0_181/bin/javac
vi /etc/profile
export JAVA_HOME=/usr/java/jdk1.8.0_181 export JRE_HOME=/usr/java/jdk1.8.0_181/jre export PATH=$PATH:/usr/java/jdk1.8.0_181/bin:/usr/java/jdk1.8.0_181/jre/bin
source /etc/profile
java -version