Steps to install Hive in Ubuntu:

Steps to install Hive in Ubuntu:

1. install java

   Enter the following command in Terminal to install Java:

   sudo apt-get update
   sudo apt-get install default-jdk
   

2. Download Hive

   Enter the following command in the terminal to download Hive:

   wget https://mirrors.tuna.tsinghua.edu.cn/apache/hive/hive-3.1.2/apache-hive-3.1.2-bin.tar.gz
   

   This command will download the compressed package of Hive from the Tsinghua Mirror Station.

3. Unzip Hive

   Enter the following command in the terminal to extract Hive:

   tar -zxvf apache-hive-3.1.2-bin.tar.gz
   

   This command will decompress Hive into the apache-hive-3.1.2-bin directory in the current directory.

4. Configure Hive

   Open the Hive configuration file hive-env.sh and add the following configuration:

   export HADOOP_HOME=/path/to/hadoop
   export HIVE_CONF_DIR=/path/to/hive/conf
   

   Among them, '/path/to/hadoop' is the path where you installed Hadoop, and '/path/to/hive/conf' is the path where you store the Hive configuration file.

5. Start Hive

   Enter the following command in the terminal to start Hive:

   cd apache-hive-3.1.2-bin
   bin/hive
   

   This command starts Hive's command-line interface.

6. Test Hive

   Enter the following command in Hive's command line interface to test Hive:

   show databases;
   

   If Hive is working properly, it will list all databases.

Hope these steps help you to install Hive in Ubuntu.