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How to make pg_config --version return the newer postgreSQL install? [Resolved]

I have a centos 7 vm that came with postgreSQL 9.2.24 and I recently installed postgreSQL 11 from the source from their site with the commands

./configure
make
su 
make install
adduser postgres
mkdir /usr/local/pgsql/data
chown postgres /usr/local/pgsql/data

And that worked without any errors. In /usr/local/pgsql/data there is a file called PG_VERSION which contains "11". However when I check what version I have with

pg_config --version

It still returns the 9.2.24 version.

I'm going to install a postgres extension (timescaledb) which will use the postgres version shown by pg_config, and I want to install timescaledb with postgres 11. Also the machine has to be offline only, if that matters (which is why I installed from the source).

The part that I think may be confusing me is I don't currebtly have a database created, as I plan to create a new one when I have timescaledb ready to go.


Question Credit: Bob
Question Reference
Asked March 13, 2019
Posted Under: Network
9 views
1 Answers

As Michael said, you need to remove the install of PostgreSQL you are not using first. Its a VM, backup anything you care about, throw it away, and rebuild. Then you can check that the correct pg_config is found in $PATH.

This will be easier if you continue with the package manager, yum in this case. You don't have to compile it, and known builds are easier to support. It will pull in dependencies and identify conflicting packages for you.

Because the OS updates don't ship a PostgreSQL new enough, choose which package you trust to install.


credit: John Mahowald
Answered March 13, 2019
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