There's no hostname in a socket directory. Do you mean :"change the socket name from /tmp or /var/run/postgresql to something else?"
If so, then https://www.postgresql.org/docs/16/runtime-config-connection.html mentions sockets. On Mon, Apr 22, 2024 at 5:37 PM Atul Kumar <akumar14...@gmail.com> wrote: > Can we edit the socket to change the hostname in it ? > > Regards. > > On Tue, Apr 23, 2024 at 2:41 AM Ron Johnson <ronljohnso...@gmail.com> > wrote: > >> On Mon, Apr 22, 2024 at 4:14 PM Atul Kumar <akumar14...@gmail.com> wrote: >> >>> Hi, >>> >>> I have postgresql version 15 running on centos7. >>> >>> I have below query that reads hostname from /tmp directory: >>> >>> psql postgres -A -t -p 5432 -h /tmp/ -c 'SELECT pg_is_in_recovery();' >>> >> >> If you installed from the PGDG repository (possibly also the CENTOS >> repos, but I'm not sure), then the domain socket also lives in : >> /var/run/postgresql >> >> * I find that more expressive than /tmp. >> * No need to specify the host when using sockets. >> * Using a socket name makes parameterizing the hostname easier in scripts. >> >> >>
