Step-by-Step Guide to Installing Apache Hadoop 3.5.0 on Ubuntu/Debian

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A developer has published an updated installation guide for Apache Hadoop 3.5.0, targeting Ubuntu and Debian Linux systems for development and testing purposes. The guide covers prerequisites including Java 17, SSH, and pdsh, along with downloading and verifying the Hadoop binary using a SHA-512 checksum. It walks through configuring environment variables, setting up core XML configuration files for HDFS, YARN, and MapReduce, and formatting the NameNode for a single-node pseudo-distributed cluster. Users can verify the setup by running a sample MapReduce grep job and monitoring services via web interfaces at localhost ports 9870 and 8088. The guide also notes that a Docker-based alternative is available for those who prefer not to install Java and Hadoop directly on their host machine.

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ProgrammingDEV Community ·

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