To clone a PostgreSQL database on a Linux system, you will need to do the following:

1. Take a logical backup of the source database using the pg_dump utility. This will create a SQL dump file containing the source database’s data and schema.

2. Create a new database on the Linux system using the createdb command. This will create an empty database that you can use as the target for the cloning process.

3. Import the data from the SQL dump file into the new database using the psql utility. This will load the data and schema from the source database into the new database, effectively cloning it.

4. Verify that the data has been imported successfully and that the cloned database is working as expected.

Once you have completed these steps, you should have a fully functional clone of the source database on your Linux system. You can use the cloned database for testing, development, or other purposes.

You should test the cloning process and verify the data in the cloned database before using it in production. This will ensure that the cloning process is successful and that the cloned database functions as expected.