Re: Postgres superuser & password on Red Hat; upgrade?

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От Oliver Elphick
Тема Re: Postgres superuser & password on Red Hat; upgrade?
Дата
Msg-id 200101172114.f0HLE0t05873@linda.lfix.co.uk
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Ответ на Postgres superuser & password on Red Hat; upgrade?  (Laurel Williams <tech@clearwater-inst.com>)
Список pgsql-novice
Laurel Williams wrote:
  >The only way I can become Postgres is to log in as myself (Laurel),
  >become substitute user--root by typing "su" and entering the root
  >password, then typing su - postgres--thus bypassing the postgres
  >password. But that makes Postgres also root, which I understand to be
  >very bad thing. I have used this technique to make Laurel a database

No, this is not the case.  su makes you become the user named, root by
default.  Your first su makes you root; the second one makes you
postgres.  This is perfectly OK and the right way to do it.

  >user, but how can I make Postgres a DBA login with full privileges who
  >is NOT root? What is the method to give Postgres a new password and/or
  >discover the old one?

ALTER USER postgres WITH PASSWORD newpassword;

You need createuser privileges to use CREATE USER or ALTER USER.

--
Oliver Elphick                                Oliver.Elphick@lfix.co.uk
Isle of Wight                              http://www.lfix.co.uk/oliver
PGP: 1024R/32B8FAA1: 97 EA 1D 47 72 3F 28 47  6B 7E 39 CC 56 E4 C1 47
GPG: 1024D/3E1D0C1C: CA12 09E0 E8D5 8870 5839  932A 614D 4C34 3E1D 0C1C
                 ========================================
     "And, behold, I come quickly; and my reward is with me,
      to give every man according as his work shall be."
                               Revelation 22:12



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