Re: Running system commands

Thanks for your help, I'v configured ssh, though it's running fine, I'm not able to connect to my server, it says- connect: connection to <host> on port 22 refused. i think this is due to, some firewall. I'll check it out. in the mean time can you clearify what are verbatim commands!!! Thnaks for your help anyway Nitin ----- Original Message ----- From: "Robert Cummings" <robert@interjinn.com> To: "Mike Migurski" <mike@saturn5.com> Cc: "Nitin" <nitinmehta@kappa.net.in>; "PHP-General" <php-general@lists.php.net> Sent: Wednesday, September 24, 2003 2:16 AM Subject: Re: [PHP] Running system commands > On Tue, 2003-09-23 at 16:34, Mike Migurski wrote: > > >I was wondering, if anyone can help me with running system commands from > > >within php. Actually I have a script which deletes users from my database > > >(which is of course MySQL), now I want to delete those users from system > > >level also, as they are authenticated users of my OS also. > > > > > >Now, the problem is, that I'm running my MySQL server and web server on > > >different machines. I can do whatever on remote DB server but how to run > > >a system command on another machine. I know, it's possible to run system > > >commands on local server by system(), but what about remote server? > > > > This is partially dependent on the user your php scripts are running as. > > One approach might be to use SSH to talk to the remote machine, and set up > > a limited-privilege account there. You can run a copy of ssh-agent[1] as > > the apache user, which stores an open copy of a private SSH key in memory, > > add the public half of that key to the remote machine's authorized_keys > > file[2], and use SSH to access that machine. > > Alternatively you could have a simple little PHP daemon on the webserver > and it could check a table in the remote DB every minute or so for > verbatim commands to execute. Depends really on whether these commands > need to occur real time or not. > > Cheers, > Rob. > -- > .------------------------------------------------------------. > | InterJinn Application Framework - http://www.interjinn.com | > :------------------------------------------------------------: > | An application and templating framework for PHP. Boasting | > | a powerful, scalable system for accessing system services | > | such as forms, properties, sessions, and caches. InterJinn | > | also provides an extremely flexible architecture for | > | creating re-usable components quickly and easily. | > `------------------------------------------------------------' >