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Installing Dependencies

  1. Download and install epel-release (for CentOS only).
    1. Download the epel-release RPM package. 
      1
      		 
      wget https://dl.fedoraproject.org/pub/epel/7/aarch64/Packages/e/epel-release-7-12.noarch.rpm --no-check-certificate
    2. Install epel-release. 
      1
      		 
      rpm -ivh epel-release-7-12.noarch.rpm
  2. Install related dependencies in Yum mode.
    • CentOS: 
      1
      		 
      yum install java-1.8.0-openjdk-* git gcc gcc-c++ make epel-release clang openssl openssl-devel npm curl -y
    • openEuler: 
      1
      		 
      yum install java-1.8.0-openjdk-* git gcc gcc-c++ make clang openssl openssl-devel npm curl -y
  3. Configure Java.
    1. View the Java installation directory. 
      find /usr/lib/jvm/ -name java
      Alternatively, 
      find / -name java
      Alternatively, 
      which java
      • CentOS: 
        ls /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.292.b10-1.el7_9.aarch64/bin/java
      • openEuler: 
        ls /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.272.b10-7.oe1.aarch64/bin/java
    2. Configure the environment variables: JAVA_HOME, JRE_HOME, CLASSPATH, and PATH.
      1. Open the profile file. 
        vim /etc/profile
      2. Add the content of the corresponding system to the profile file.
        • CentOS: 
          export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.292.b10-1.el7_9.aarch64
export JRE_HOME=$JAVA_HOME/jre
export CLASSPATH=.:$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH
export PATH=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.292.b10-1.el7_9.aarch64/bin:$PATH
        • openEuler: 
          export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.272.b10-7.oe1.aarch64
export JRE_HOME=$JAVA_HOME/jre
export CLASSPATH=.:$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH
export PATH=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.272.b10-7.oe1.aarch64/bin:$PATH
      3. Press Esc, type :wq!, and press Enter to save the file and exit.
    3. Make the environment variables take effect. 
      source /etc/profile
    4. View the environment variables. 
      echo $JAVA_HOME
echo $JRE_HOME
echo $CLASSPATH
echo $PATH
      • CentOS:

      • openEuler:

    5. View the Java version. 
      java -version
      • CentOS:

      • openEuler: