Adrian Klaver <adrian.klaver@xxxxxxxxxxx> writes: > On 05/15/2017 01:10 PM, Devrim Gündüz wrote: >> * You can connect to 9.2 using /usr/pgsql-9.2/bin/psql command. It knows the >> old socket directory. > That was where I was going until I saw this in the OP: > bash-4.1$ /usr/pgsql-9.2/bin/psql -p 5432 > psql: could not connect to server: Connection refused > Is the server running locally and accepting > connections on Unix domain socket "/var/run/postgresql/.s.PGSQL.5432"? The default is actually compiled into libpq.so, not psql itself. So I'm thinking what's happening here is the 9.2 psql is picking up a libpq.so supplied by 9.6. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general