[NTLUG:Discuss] Installing Informix on Linux

[quikdraw@metronet.com]

I'm trying to install the eval version of Informix on Mandrake 6.0
(a variant of Red Hat 6.0). The Informix site says that I need GlibC
2.1.1, and I have that in /lib. There are 2 files to install:

iif2k920uc1_linux.rpm - The database server.
connect230uc1_linux.rpm - From what I understand, the IPC piece
                                            for network connections.

I've created an Informix group and user, and have moved the two
files into the informix home directory. Here's the problem:

When I try:    rpm -i iif2k920uc1_linux.rpm

I get "error: installing package IIF-9.20.UC1-1 needs 83 MB on the /
filesystem."

Here's what "df -k" shows:
Filesystem        1k-blocks        Used        Available    Use%    Mounted on

/dev/hda11        155517         54017        93470        37%      /
/dev/hda1            23300           3803        18294        17%      /boot
/dev/hda10        2144309       62468        1970995      3%      /download
/dev/hd8            1150379       73045        1017896      7%      /home
/dev/hda5           2299308    987526        1192903     45%     /usr
/dev/hda6           2299308          358        2180071       0%
/usr/local
/dev/hda7           1158149      19508        1078801       2%     /var

I have 93 MB on / but that's not enough for the install. I presume this is
because
/tmp is usually in the / filesystem, but in my case, I've created /home/tmp
and made
a symbolic link from there to /tmp. /home has 1GB free, and that's also where
I'm
trying to install from. So how do I reallocate space from another partition
without
reinstalling the OS? Or is there another way (possibly a flag) to install this
RPM?

When I try:    rpm -i connect230uc1_linux.rpm

I get "error: failed dependencies:"
            "libifgls.so is needed by iconn-2.30.UC1-1"
            "libifglx.so is needed by iconn-2.30.UC1-1"

I'm presuming these would have been installed by the first RPM, and I won't
get this error once that is done.

I'm making a mini-howto doc on what I'm doing. It's far from professional,
but f there's interest I'd be glad to make it available on the website or via
Email - whatever's useful.

Any help is appreciated.
Thanks