echo "export JAVA_HOME=/usr/lib/jvm/$(ls /usr/lib/jvm | grep -m 1 'java-11-openjdk')" >> ~/.bashrc echo "export PATH=\$JAVA_HOME/bin:\$PATH" >> ~/.bashrc source ~/.bashrc Verify:
sudo yum localinstall jdk-11.0.22_linux-x64_bin.rpm | Issue | Solution | |--------|----------| | No package available | Enable EPEL repo: sudo yum install epel-release | | Unable to find a match | Ensure repository metadata is updated: sudo yum clean all && sudo yum update | | Multiple versions conflict | Use sudo alternatives --config java to resolve | | java: command not found after install | Logout & login, or check /usr/bin/java symlink | 10. Conclusion Installing Java via yum is straightforward, offering flexibility to choose between JRE, JDK, and various versions. The alternatives system simplifies managing multiple installations. Always verify with java -version and set JAVA_HOME for production environments. Need a specific Java version or distribution? Adjust the package names accordingly (e.g., java-1.8.0-openjdk for Java 8). For containers or minimal environments, the -headless variant saves space. install java yum
sudo yum remove '*openjdk*' Official Oracle Java RPMs are not in standard repos. Use the Oracle Linux repository or download manually. Always verify with java -version and set JAVA_HOME
sudo yum install java-17-openjdk-devel On many systems, you can install the default Java set by the distribution: For containers or minimal environments
java -version If not installed, you’ll see command not found . List all Java-related packages:
sudo yum install java-latest-openjdk Or for the latest JDK: