Apache Hadoop single-node setup tutorial for Rocky Linux 8, covering OpenJDK 8, dedicated Hadoop user creation, passwordless SSH, pseudo-distributed configuration, firewall setup, HDFS/YARN startup, and MapReduce testing. Suitable for beginners building a local big data lab.
Rocky Linux 8 安装 Apache Hadoop 单节点集群教程,从零讲解 OpenJDK 8、Hadoop 用户、SSH 免密、伪分布式配置、环境变量、防火墙、HDFS/YARN 启动和示例任务测试。适合搭建大数据学习环境的新手。