设置OpenJDK

RHEL Community Version
  • RHEL Community Version
    Alma Linux / Rocky Linux

1. install

jre:

$sudo dnf install java -y

jdk

$sudo dnf install java-1.8.0-openjdk-devel

2. set path

$sudo vi /etc/profile
export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.345.b01-1.el8_6.x86_64
export CLASSPATH=.:$JAVA_HOME/jre/lib/:.
export PATH=$PATH:$JAVA_HOME/bin
$su - root
#source /etc/profile

About path

3.3. INSTALL OPENJDK ON RED HAT ENTERPRISE LINUX - 2.Optional: Set the JAVA_HOME environment variable

Reference