Fedora / RHE compatibility
tom.horsley at att.net
Tue Jul 8 16:29:53 UTC 2008
> Thanks a lot,
> I'm probably asking a lot :-)
> But is there a documented list of possible issues differences and
> expected incompatibilities ?
I doubt anyone knows all of 'em, but most of the time, things are
very similar at a low level. At higher levels like versions of
gnome or KDE people may notice radical differences in the way
the interface looks or acts.
If running old programs, you are likely to encounter missing
shared libs because newer releases have moved on to newer versions,
but for most of these, there are "compat" rpms available to install
older glibc and other runtimes and get older programs to run.
Sometimes when directions change completely, the compat libs
are no longer available in convenient rpms, but if you really need
them you can usually manually copy them over and run ldconfig
On the other hand, if you are dealing with very subtle kernel
behaviors you may have loads of fun discovering obscure differences.
I work on a debugger, and have a 3000+ line long program that
exists only to poke ptrace() and related things to tell me about the
quirks of the current system so I can adapt the debugger at runtime :-).
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