Re: 18.4. Managing Kernel Resources

You're wrong.

Let's take a look:

Section 18.3.1

> HINT: Is another postmaster already running on port 5432?

> What is the name of the process used here? 12 лип. 2026 р. о 10:12 Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> пише:
>
> On Sun, 2026-07-12 at 07:46 +0300, Yaroslav Saburov wrote:
>> postgres(at)sql:~$ cat /pgdatabase/data/postmaster.pid
>> 58
>> /pgdatabase/data
>> 1783830699
>> 5432
>> /var/run/postgresql
>> localhost
>> 24381256 0
>> ready
>> postgres(at)sql:~$ ps 58
>> PID TTY STAT TIME COMMAND
>> 58 ? Ss 0:00 /usr/lib/postgresql/18/bin/postgres -D /pgdatabase/data -c config_file=/etc/postgresql/18/main/postgresql.conf
>>
>> Show me process postmaster?
>
> You found it!
>
> "Postmaster" is not the name of the executable or the process title (any more),
> it is just what we call that process. It is a technical term.
>
> Yours,
> Laurenz Albe