Re: [HACKERS] text patch -- sugg cmd when run as root

On Thu, 30 Apr 1998, The Hermit Hacker wrote:

>On Wed, 29 Apr 1998, David Gould wrote:
>
>> > When you run postgresql as root, the command it gives for putting in
>> > your startup script is a little weird.  The main issue is that 2>&1
>> > only works in bash, not tcsh.  >& works in both, so it seems
>> > preferable.  Another minor issue is that it echoes the command and
>> > pipes it through su.  Shouldn't this be "su - postgres -c 'cmd'"?  Do
>> > all versions of su have the '-c' argument?  piping it through seems
>> > weird, but maybe it isn't.
>> >
>> > this is a straight diff for src/backend/main/main.c
>> >
>> > --cut here--
>> > 38c38
>> > < echo \"postmaster -B 256 >/var/log/pglog 2>&1 &\" | su - postgres\n\n"
>> > ---
>> > > su - postgres -c 'postmaster -B 256 >& /var/log/pglog' &\n\n"
>> > --cut here--
>>
>> You have tcsh as the root shell???
>
>    As do I...so?  I just make sure I put a copy in /bin and you're
>fine...or, at least, I haven't been burnt yet.  I can't stand the other
>shells :(

IMHO, the startup script should be written for plain sh (best) or plain
csh, because those are the shells that are guaranteed to exist on any Un*x
system. And, it doesn't matter which shell you are using (bash, tcsh, ksh,
zsh or whatever), simply put "#!/bin/sh" or "#!/bin/csh" as the first line
on the script, and you're done.

As a side note: Marc, if you use tcsh as root's shell, you also must check
that tcsh is statically linked. Anyway, I keep /bin/sh as root's shell,
and the first command I execute when I log on as root is "bash ; exit". I
could even modify root's .profile to execute it automatically, but I'm too
lazy :-)

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