1. transfer files to centos7
View the virtual machine ip address ip addr
scp e:\jdk-12.0.2_linux-x64_bin.tar.gz [email protected]:/home
This command is host file transfer e jdk disk system to the home directory centos
2. Unzip the file jdk
takes -xzvf JDK 12.0.2_linux-x64_bin.tar.gz
centos in to the next home using this command to extract the file jdk
After successfully extract the extra file jdk-12.0.2 of
3. Set Environment Variables
Enter vi / etc / profile to configure the environment variables
Press Insert to enter edit mode move the cursor to the bottom
FIG enter the following export PATH = / home / jdk-12.0.2 / bin: $ / home / jdk-12.0.2 / jre / bin: $ PATH
After pressed the enter esc then enter: wq to save and exit
Input source / ect / profile updates to the environment variables to take effect
4. Test
Enter java java -version to see the version number
Enter javac to see the java information
