Re: Should I care about this error "failed to link /usr/bin/psql [...] exists and it is not a symlink"?

Tom Lane <[email protected]> Tue, 03 Dec 2019 10:14:59 -0500
Newsgroups gmane.comp.db.postgresql.admin
Message-ID <[email protected]>
Ekaterina Amez <[email protected]> writes:
> I'm installing postgres 9.6 in a CentOS 7 computer that already has 
> postgres v9.2 installed (version that comes with CentOS installer) and 
> I've seen the message of this mail's subject.
> ...
> failed to link /usr/bin/psql -> /etc/alternatives/pgsql-psql: /usr/bin/psql exists and it is not a symlink
> ...

I believe the issue here is that you've got Red Hat's postgresql packages
installed, and they're not set up to participate in alternatives
switching.  I'd suggest removing those packages --- having them installed
alongside PGDG postgres packages is going to lead to nothing but grief.

			regards, tom lane