[ic] Re: Setting up catalogs on multiple domains SOLVED

Ed LaFrance edl at newmediaems.com
Wed Dec 10 18:01:36 EST 2003

At 01:39 PM 12/10/2003 -0800, you wrote:
> >> >Rick,
> >> >
> >> >You might want to make sure you have a tmp directory under the catalog
> >> >and that you have a directory for your session cache for the second
> >> >
> >> >Also make sure that the permisions on your interchange socket allow the
> >> >second catalog to write to the socket. On some systems with plesk I've
> >> >had to set the permissions to 0666 using the following in the
> >> >interchange.cfg
> >> >
> >> >SocketPerms 0666
> >> >
> >> >Shawn Mathews
> >> >shawn at stuckinrealtime.us
> >>
> >>Shawn,
> >>
> >>Thanks again for the tips. I do in fact have a tmp directory and a session
> >>cache directory both under the catalog I'm trying to get going (as well as
> >>the one I have running successfully). I did add the socket permissions line
> >>to interchange.cfg, but that didn't seem to make any difference.
> >>
> >>Other information that I've uncovered in looking around that may be useful:
> >>
> >>I am in fact running plesk on my system - I found detailed instructions on
> >>Interchangeville for running IC on a plesk system:
> >>http://interchangeville.com/forum/viewtopic.php?t=952
> >>
> >>The main thing that is different is I wasn't running in INET mode - I was
> >>running in UNIX mode. I tried running makecat as described in the message
> >>using INET mode, but that doesn't make any difference (I still get an
> >>internal server error when I try to go to the catalog). However, here is
> >>where it gets interesting - I have been running IC in UNIX mode for
> >>catalog1 on domain1 and I can run as many catalogs on domain1 as I want
> >>(while using UNIX mode). If I switch to INET mode then try to go to the
> >>catalogs the message I get for all domain1 catalogs is that the IC server
> >>is unavailable, but for catalog2 on domain2 I continue to get an internal
> >>server error.
> >>
> >>The other difference that I see is that the user interchange is running as
> >>isn't "interch" but rather the user for domain1. Since the user for domain1
> >>and domain2 are both a member of the "psacln" group I didn't think it
> >>necessary to run as "interch". However, the one difference I can think of
> >>is that "interch", as described in the Interchangeville post, would be a
> >>full shell account, but the account for domain1 is a plesk virtual host
> >>account - could this cause the problems I'm seeing? It seems unlikely to me
> >>since I did go ahead and create an "interch" user account and followed the
> >>directions there to a "t" and I continue to get the same behavior from IC
> >>(internal server error for catalog2 running on domain2).
> >>
> >>I appreciate your help so far, Shawn, but do you, or anybody else, have any
> >>other suggestions?
> >>
> >>-Rick
> >
> >Dear Rick -
> >
> >I run interchange on Plesk-managed systems. Try disabling suexec, which is
> >by default used by Plesk. Just located the binary 'suexec' (depending on
> >which Plesk dist you use, location can vary), and rename it to
> >suexec.disabled. Then restart apache, and check your catalog again. If you
> >still get a 500 error, try toggling the suid bit on the vlink file for the
> >catalog.
> >
> >- Ed L.
>Ed & Shawn,
>Thanks for your help. I disabled suexec as Ed suggested and everything is
>working beautifully. I'm curious though, everything I've read about Plesk
>and IC states/implies that suexec is required - why the misconception?
>Thanks again, I'll be launching this afternoon.

You can get it working with suexec enabled, but it takes quite a bit of 
fiddling with vlink ownerships, group affiliations and socket perms to get 
it right. Disabling suexec is just another (possibly less desireable) way 
to get there.

- Ed L.

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