curl -O https://archive.apache.org/dist/hadoop/common/hadoop-2.9.2/hadoop-2.9.2.tar.gz Check the file integrity using MD5 or SHA512. MD5 checksum md5sum hadoop-2.9.2.tar.gz Expected MD5: a4d7b3faa31a67e0b7c36b5f44e1b5c8 (Verify against the .md5 file on the Apache archive page.) SHA512 checksum sha512sum hadoop-2.9.2.tar.gz Step 3: Extract the archive tar -xzf hadoop-2.9.2.tar.gz This creates a directory: hadoop-2.9.2/ Step 4: Set up environment variables (optional but recommended) Add to ~/.bashrc or ~/.bash_profile :
export HADOOP_HOME=/path/to/hadoop-2.9.2 export PATH=$PATH:$HADOOP_HOME/bin:$HADOOP_HOME/sbin Then reload: hadoop 2.9.2 download
