[K12OSN] Fl_TeacherTool 0.30 issue (long)

Eric Harrison eharrison at mail.mesd.k12.or.us
Fri Jan 20 18:28:18 UTC 2006

Trond Mæhlum wrote:
> Robert Arkiletian skrev:
>> However, Eric Harrison and I are concerned about libgcc_s.so.1 which is
>> being overwritten in /opt/ltsp/i382/lib with the one from /usr/lib in
>> K12LTSP. These two libraries are *not* the same size. Unfortunately,
>> vnc.so does not work with the client X server with the stock
>> libgcc library. One thing to note is that vnc.so gets loaded at boot
>> time or (ctrl-alt-bkspc) not runtime. The only way I can *think* of
>> solving this is to build the vnc.so module inside a chrooted ltsp
>> tree. So it gets built with the ltsp stock libgcc. But I don't know if
>> this is even possible or how to do it. Wondering if anyone has any
>> ideas how to solve this problem? I know that a sym link approach was
>> used to address this issue in the wiki but I don't think it's a real
>> solution (But I could be wrong).
> We have done this some weeks ago, we even took the liberty of coding it
> into Robert's TT. In the spirit of open source, we sent our work back to
> him. I see he has now implemented it into the official TT. We also did
> the tweaking on our installation. We have been running this for about
> four weeks on 500 terminals across nine schools. Since we have fibre to
> the schools, and all our servers are centrally placed at City Hall, I
> can now remote control students desktops and guide them without leaving
> my office. Very useful indeed!
> We also did replace libgcc_s.so.1, like the wiki said. We did not keep a
> backup of the old file. What kind of problems should this cause? The
> reason I ask, is that we have been running this for several weeks, with
> a TT version like the one Robert is releasing now. We have not noticed
> anything out of the ordinary.
> Regards
> Trond Maehlum

This is just like installing a package with "--nodeps" or "--force". You
can do it, and sometimes it may even work just fine, but it is generally
a bad idea.

We *WILL* *NOT* ship this as-is in K12LTSP. This violates one of the
commandments of packaging: thou shall not covet another package's file.

What we need to do is build this vnc.so module in the LTSP build
environment and package that up.

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