Re: 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. | `------------------------------------------------------------'