Re: Unable to start postgresql

On Friday 10 March 2017 09:25:25 Melvin Davidson wrote:
> On Thu, Mar 9, 2017 at 10:01 PM, John Iliffe <john(dot)iliffe(at)iliffe(dot)ca> wrote:
> > On Thursday 09 March 2017 16:37:28 you wrote:
> > > On 03/08/2017 10:12 AM, John Iliffe wrote:
> > > > I think you may have hit it but I'm even more confused now.
> > > >
> > > > I looked at the running Postgesql on the current server and there
> > > > is a 5th sub-directory called /data. That is on the same level
> > > > as the /bin, /share, etc. In this new installation it is not
> > > > present and neither is the postgresql.conf file, nor are the hba
> > > > files that restrict logins.
> > > >
> > > > So, my question: is this a change between version 9.2.1 and 9.6.2
> > > > and if so where is the postgresql.conf file (I can't find it on a
> > > > scan but it could be renamed I suppose)?
> > > >
> > > > Or, is there something wrong with the installation? I went by the
> > > > successful conclusion message from make install and assumed
> > > > everything would be as expected in the directories.
> > > >
> > > > Any ideas as to what may have happened?
> > >
> > > Just realized this was an old post that just came through. I also
> > > realized that my explanation of where the *.conf files are was
> > > specific to a source default install. Package installs may locate
> > > them elsewhere. In that case as a Postgres superuser(postgres for
> > > example) do:
> > >
> > > test=# select * from pg_settings where sourcefile is not null;
> > >
> > > .....
> > >
> > > name | DateStyle
> > > setting | ISO, MDY
> > > unit | NULL
> > > category | Client Connection Defaults / Locale and Formatting
> > > short_desc | Sets the display format for date and time values.
> > > extra_desc | Also controls interpretation of ambiguous date
> > > inputs. context | user
> > > vartype | string
> > > source | configuration file
> > > min_val | NULL
> > > max_val | NULL
> > > enumvals | NULL
> > > boot_val | ISO, MDY
> > > reset_val | ISO, MDY
> > > sourcefile | /usr/local/pgsql/data/postgresql.conf
> > > sourceline | 538
> > > pending_restart | f
> > >
> > > .....
> > >
> > > And look for the sourcefile location.
> > >
> > > > John
> >
> > Thanks Adrian.
> >
> > I had figured that out eventually, and found the missing files where
> > you said
> > they were.
> >
> > Appreciate the info on how to get the configuration values. A lot
> > seems to have changed since I started using Postgresql and I guess I
> > should really read up on how things work now and not in 2008!
> >
> > Regards,
> >
> > John
> >
> >
> > --
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>
> *John,*
>
>
>
>
> *If you are really serious about reading up, I suggest you pick from the
> books on this
> url:https://www.packtpub.com/all-books?search=&offset=84&rows=&sort=
> <https://www.packtpub.com/all-books?search=&offset=84&rows=&sort=>*
>
> *Probably "PostgreSQL Administration Essentials" would be good to start
> with.*
Thank you. I was unaware of this source.

I have a similar book but it is about 8 years old so probably out of date.

John