Configure Java RTE in CentOS

2020-06-19 11:12:27
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原创 77

Two ways to configure Java runtime environment in CentOS.


Update the software package 

Make sure the server software package is updated.


sudo yum update -y

Method 1

Install OpenJRE.


sudo yum install java-1.8.0-openjdk -y
Check whether it is installed.



java -version

Method 2


Download JDK from Oracle website, and unzip it to   /usr/local/java/jdk1.8.0_241. You need to sign up to download, and it is free.


Open the file.


vim /etc/profile
Add the code below to the end of the file.



export JAVA_HOME=/usr/local/java/jdk1.8.0_241
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH
Make it work.



source /etc/profile
Add a soft link.



ln -s ${JAVA_HOME}/bin/java /usr/bin/java
Check whether it is installed.



java -version


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