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.
sudo yum update -y : On RHEL 8+ and derivatives, yum is symlinked to dnf . Both commands work interchangeably. 3.2. Check Existing Java Installations Verify if Java is already present: install java yum
sudo yum install java-latest-openjdk Or for the latest JDK: sudo yum localinstall jdk-11
sudo yum list installed | grep openjdk Remove a specific package: Always verify with java -version and set JAVA_HOME
java -version Sample output:
openjdk version "11.0.22" 2024-01-16 LTS OpenJDK Runtime Environment (Red Hat build 11.0.22+7-LTS) OpenJDK 64-Bit Server VM (Red Hat build 11.0.22+7-LTS, mixed mode, sharing) Check compiler (if JDK installed):