JDK installation and deployment in CentOS environment

 

 

1. Prepare the jdk installation file;

Here I am using jdk-7u79-linux-x64.tar.gz

2. Create the sotfware directory in the /usr/local directory and upload the JDK file;

Unzip the file and modify the folder to javajdk.

tar -zxvf  jdk-7u79-linux-x64.tar.gz;

mv  jdk-7u79-linux-x64.tar.gz javajdk;

into the folder.

 

3. Configure environment variables (the most important step)

Edit the configuration file: vim /etc/profile and add the following configuration variables

JAVA_HOME=/usr/local/software/javajdk
PATH=$JAVA_HOME/bin:$PATH
CLASSPATH=$JAVA_HOME/jre/lib/ext:$JAVA_HOME/lib/tools.jar
export PATH JAVA_HOME CLASSPATH

The build environment is as follows:

hold and exit.

4. Verify the environment

java -version

echo $JAVA_HOME

So far, the JDK installation in the Linux CentOS6.9 environment is successful!