OK, i just find out that one damn program requiers MySQL on my RH71 server and that what is on now is progresql...
I have to remove that progresql and install mysql, i guess that for most of you it is a 'noproblem' but for me, it is quite a moment of stress...
How do i do that? without screwing up obviously!
Please...



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Everything i touch turn to shit...

well... if it's just a matter of installing mysql, then you can stop crying. it's just going to be an rpm install or, at worst, a tar.gz install, which is two whole commands longer than the rpm.

if, however, you need to transfer data from postgres to mysql... then it's a completely different question, and i'll be glad to hand you a few tissues.

Please isajera, throw in the commands... for both cases(rpm and .tar.gz)
I don't have to transfer the data, this application is still not up and working.
tks

Actually, i think know a little:
I believe i would need to do:
rpm -e (packtage) but what is the progresql package? How can i tell?
rpm -ivh mysql.ver for the installation
Is it right?

As for the tar.gz:
i suppose i have untar the package...
tar xvf mysql.something
What about this one?
and how about the dependency thing?

well.. i don't know much about rpm installs... i tend to try to avoid them in favor of the .tar.gz installs. i keep hoping someone else will post a word or two of rpm wisdom here...

anyway, i don't think there's any problem with installing postgres and mysql side by side...
with the .tar.gz, there's usually an INSTALL or README included, in which case you just do what it tells you to do. so, first :

tar -xzvf package.tar.gz

and it makes a directory out of the tar file. 9 times out of 10, the INSTALL says:

./configure
make
(su)make install

if there's any dependency problems, the configure script will tell you about it, and will usually specify what needs to be installed. i don't know how to get dependencies off of rpms...
anyone else?

Certainly using Mandrake's 'Package Manager' you can view the files within an RPM file, and actually extract it/them manually (I think you have to double click it). I can't remember if this installs into the appropriate, given directory or if it gives you a 'Save to...' dialog. I'm also not sure if it registers the 'installed' file with any of the 'installed file databases', or whatever.

Anyhow, if ./configure manually checks the files, rather than asking a file-database, the above should work for resolving dependancies without having to install a complete RPM.

you can do a

rpm -qa

which will list all rpm's insatalled on your box

or you can do a

rpm -qa |grep xxx

and try to narrow your list down a little