how to change install postgis location? postgres

Question

When I am in my postgres db and tried to create an extension for my db, I get this error

ERROR: could not open extension control file \"/usr/share/postgresql/9.5/

Answer 1

You should use the following command:

sudo apt-get install postgresql-9.6-postgis-scripts

Answer 2

Use the following command to get the postgis.control in your 9.5 version directory:

sudo apt install postgis postgresql-9.5-postgis-2.3