Most of Java based application’s uses environment variables to work. Step 4 – Setup Java Environment Variables Java HotSpot(TM) 64-Bit Server VM (build 25.161-b12, mixed mode) Java(TM) SE Runtime Environment (build 1.8.0_161-b12) Let’s check the installed version of Java runtime environment (JRE) on your system by executing the following command. You can use them from anywhere in your system. Java and javac binaries are available under PATH environment variable. We also recommend to setup javac and jar commands path using alternativesĪlternatives -install /usr/bin/jar jar /opt/jdk1.8.0_161/bin/jar 2Īlternatives -install /usr/bin/javac javac /opt/jdk1.8.0_161/bin/javac 2Īlternatives -set jar /opt/jdk1.8.0_161/bin/jarĪlternatives -set javac /opt/jdk1.8.0_161/bin/javac There are 3 programs which provide 'java'.Įnter to keep the current selection, or type selection number: 4Īt this point JAVA 8 has been successfully installed on your system. The alternatives command is available in chkconfig package.Īlternatives -install /usr/bin/java java /opt/jdk1.8.0_161/bin/java 2 Let’s use the alternatives command to configure Java on your system. This command used to creates, removes, maintains and displays information about the symbolic links comprising the alternatives system. The alternatives command is used for maintained symbolic links. Step 2 – Install Java 8 with Alternatives Wget -no-cookies -no-check-certificate -header 'Cookie: gpw_e24=http%3A%2F%2Foraclelicense=accept-securebackup-cookie' '' To download the latest Java SE Development Kit 8 release from its official download page or use following commands to download from the shell. Since then I have installed a large number of times Java on CentOS, Redhat based systems without any issues. So I decided to install Java using the compiled source code. Many times I have tried Java installation using rpm packages but I faced some issues. The Oracle team provides Java RPM packages as well as compiled source code. To Install Java 8 in Ubuntu and LinuxMint read This Article. Read the instruction carefully before downloading Java from Linux command line. This tutorial helps you to install Java 8 or update Java on your system. How to Install JAVA 8 on CentOS/RHEL 7/6 and Fedora 27/26/25

Centos install java 8