postgresql - Error to create postgis extension

when creating the postgis extension

CREATE EXTENSION postgis;

I have the next problem

ERROR: Could not access the file «$libdir/postgis-2.2»: No such file or directory

I use Ubuntu 14.04.5 and PostgreSQL 9.3

Answer

It is solved using the command

sudo apt-get install postgresql-9.3-postgis-2.2