Re: how to execute a command as another user in one command?
On Wed, Oct 29, 2008 at 9:25 AM, Chris Burkhardt <chris@mretc.net> wrote:
> Star Liu wrote:
>> currently i'm the root user, but I need to execute a command as
>> another user named postgres, I can do it in 2 commands, and it works
>> fine.
>> -----------
>> su postgres
>> postgres -D ~/data > ~/log/logfile 2>&1 &
>> -----------
>> but i hope I can do it in one command, so I tried this
>> ---------------
>> su -c "postgres -D ~/data > ~/log/logfile 2>&1 &" postgres
>
> What error does that give?
thank you, the error says cannot find postgres command, so i change it to this:
su -c "/usr/lib/postgresql/8.3/bin/postgres -D ~/data > ~/log/logfile
2>&1 &" postgres
and it works now!
>> ----------------
>> but it doesn't work. what's wrong with it? or any other command to
>> realize it? thanks
>
> The sudo command is an alternative that comes to mind.
>
> - Chris Burkhardt
>
>
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