How to Install the Correct Drivers for PostgreSQL on Tableau Server for Linux

How to install the correct drivers for PostgreSQL on Tableau Server for Linux

00:00 - Start and introduction of content
00:10 - Encountering an error message indicating a driver problem
00:35 - Copy the download URL address and paste into browser address bar
00:51 - Open a connection to Linux Server and paste the above URL address into the command prompt to download
01:07 - Move the file into the Tableau drivers’ folder
01:21 - Copy .jar file into this server location /opt/tableau/tableau_driver/jdbc
01:38 - Try connecting to a PostgreSQL data source again
01:47 - If the data source doesn’t load, restart Tableau Server
02:00 - Connect again and this time Tableau Server will automatically load the driver and display your data
02:15 - The end

[weronikafilonov]

I followed the instruction however still gettin an error saying that the driver is missing. Any ideas?