How to install vertica 11.0 on ubuntu 20.04

Please follow the detailed instructions and OS settings requirements as shown here:
https://www.vertica.com/docs/11.0.x/HTML/Content/Authoring/InstallationGuide/Other/InstallingManually.htm

Here is a high level summary:
1. Install the package as user root or sudo: sudo dpkg -i pathname

2. Run the following as user root or sudo to install Vertica on all nodes:
   /opt/vertica/sbin/install_vertica --hosts host_list --rpm package_name --dba-user dba_username

3. Create the needed directories for data and Catalog:
   mkdir /your_data_dir
   mkdir /your_catalog_dir
   chmod 700 /your_data_dir
   chmod 700 /your_catalog_dir
   chown dbadmin:verticadba /your_data_dir
   chown dbadmin:verticadba /your_catalog_dir

4. Create the Database:
   /opt/vertica/bin/admintools -t create_db \
   -s nodeIP1,nodeIP2,nodeIP3 \
   -d your_db_name \
   -c /your_catalog_dir \
   -D /your_data_dir \
   -l /file_path/your_license_file_name