What are the steps to set up Hadoop in standalone mode?

The steps to set up Hadoop in standalone mode are as follows:

1. Download the Hadoop compressed package: Download the latest stable version of the Hadoop compressed package from the Hadoop official website (http://hadoop.apache.org/).
2. Extract the Hadoop compressed file: Unzip the downloaded Hadoop compressed file to a directory.
3. Set up Hadoop environment variables by opening the terminal and editing the ~/.bashrc file. Add the following configurations.
4. Set the HADOOP_HOME variable to the path of Hadoop and add Hadoop’s bin and sbin directories to the PATH variable.
5. Configure the core files of Hadoop: Go to the Hadoop installation directory, edit the etc/hadoop/hadoop-env.sh file, and set the JAVA_HOME variable to the Java installation path.
6. Set up Hadoop in standalone mode by editing the etc/hadoop/core-site.xml file and adding the following configurations:
7. fs.defaultFS
   file:///
8. To set up Hadoop in standalone mode: edit the etc/hadoop/hdfs-site.xml file and add the following configuration.
9. dfs.replication
   1
10. Format the Hadoop file system: Execute the following command in the terminal to format the Hadoop file system.
11. Initialize the HDFS name node.
12. Start Hadoop in standalone mode by executing the following command in the terminal:
13. initialize the distributed file system.
14. Validate Hadoop standalone mode: Access http://localhost:9870 in a web browser. If the Hadoop web interface opens successfully, it indicates that the Hadoop standalone mode has been successfully set up.

Note: Hadoop standalone mode is only suitable for development and testing environments, not for production. In a production environment, it is recommended to use Hadoop cluster mode.