On Thu, Jun 2, 2016 at 7:54 PM, Stephen Frost <sfr...@snowman.net> wrote:
> * Dennis (denn...@visi.com) wrote: > > Is it possible to execute command in on system the is hosting postgresql > remotely using psql or other mechanism? I know I can use \! in psql but > that executes the commands on the host where I am running psql from. Also, > is it possible for a postgres login/user to stop or restart a running > postgres instance from in side psql or similar client. e.g. psql -c “pg_ctl > stop -D some_data_dir” > You can use COPY with PROGRAM, assuming you're a superuser. > > COPY (select 1) TO PROGRAM 'whatever command'; > That's thinking outside the box. Took me a while to find the documentation of the superuser limitation buried in the notes. https://www.postgresql.org/docs/devel/static/sql-copy.html I see why SELinux and its ilk are necessary evils in situations where finer grained control is needed. David J.
