In this tutorial I’ll try to explain to you how to install JAVA 8 (JDK 8u45) on RHEL/CentOS 6.x/7.x and Fedora 19/20/21/2x Linux.
Preparing to install Java 8
At the beginning you need to upgrade your system:
# yum update
Now, use the below command to check the installed Java version on your system:
# java -version -bash: java: command not found
The error clearly shows that as of now I haven’t installed any Java software on my server.
If Java 1.6 or 1.7 have been installed already, you can uninstall them using the following commands.
# yum remove java-1.6.0-openjdk # yum remove java-1.7.0-openjdk
Downloading Latest Java Archive
Use the below command to download the oracle java 8 rpm file. Make sure oracle uses cookies, so use according that. Its like the below format.
### For 32 bit # wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/8u45-b14/jdk-8u45-linux-i586.rpm" ### For 64 bit # wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/8u45-b14/jdk-8u45-linux-x64.rpm"
Install Java 8 (jdk 8u45) on RHEL / CentOS / Fedora Linux
Use the below command to Install Oracle Java 8 (jdk-8u45) on your system using RPM file.
### For 32 bit # rpm -ivh jdk-8u45-linux-i586.rpm ### For 64 bit # rpm -ivh jdk-8u45-linux-x64.rpm
Example output:
# rpm -ivh jdk-8u45-linux-x64.rpm Preparing... ################################# [100%] Updating / installing... 1:jdk1.8.0_45-2000:1.8.0_45-fcs ################################# [100%] Unpacking JAR files... rt.jar... jsse.jar... charsets.jar... tools.jar... localedata.jar... jfxrt.jar... plugin.jar... javaws.jar... deploy.jar...
Checking Installed java version
After finishing installation check Java version using below command:
# java -version java version "1.8.0_45" Java(TM) SE Runtime Environment (build 1.8.0_45-b14) Java HotSpot(TM) 64-Bit Server VM (build 25.45-b02, mixed mode)
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