In 2022-06-16 Postgres released version 14.4, which fixes possible corruption on indexes created with the concurrently option.
The release notes suggest using pg_amcheck to check if we have corrupt indexes.
However, when running pg_amcheck --heapallindexed my_database_name, I get
pg_amcheck: warning: skipping database "my_database_name": amcheck is not installed
pg_amcheck: error: no relations to check
How one is supposed to install pg_amcheck on Ubuntu 20.04 LTS?
I tried installing sudo apt install postgresql-contrib, because pg_amcheck was supposed to be included, but to no avail, the same error message persists.
I even ran CREATE EXTENSION amcheck; inside psql, but I'm still getting the same error message.
