There are a lot of online resources available to learn Hadoop. We don't need to attend offline courses to learn any technology. We can just enroll in an online course and you can learn from top instructors from anywhere in the world. So, it is better to enroll in an online course to learn Hadoop that provides hands-on projects and certification
Fundamentals of Hadoop and YARN
Write applications using Hadoop and YARN
Setting up pseudo-node and multi-node clusters on Amazon EC2
HDFS, MapReduce, Hive, Pig, Oozie, Sqoop, Flume, ZooKeeper, and HBase
Spark, Spark SQL, Streaming, Data Frame, RDD, GraphX, and MLlib writing Spark applications
Managing Hadoop administration activities such as cluster management, administration, and troubleshooting
Configuring ETL tools like Pentaho/Talend to work with MapReduce, Hive, Pig, etc.
Hadoop testing applications using MRUnit and some other automation tools
Working with Avro data formats
Practicing real-life projects using Hadoop and Apache Spark
Be equipped to clear Big Data Hadoop Certification
If you want to learn Hadoop, I recommend this Hadoop Training program by Intellipaat.
Also, watch this YouTube tutorial on Hadoop:
