I used rpm -e to remove snort supposedly, but when i type rpm -qi snort it says it's installed. How do I delete it?

well, if you use Mandrake 9.1, you can go to the Control Center, Software, Remove RPM's and I THINK it should completely remove the software.

However, it's weird since rpm -e should remove everything?

After you install/remove an rpm, the rpm database may not be updated to show the installation/removal. To make certain that the database of installed rpm's is up to date, after installing/removing a package, run rpm --rebuilddb, then try the rpm -qi command.

I'm using red hat 9 and I did what bigrig said and I got error: db4 error(16) from dbenv->remove: Device or resource busy then I checked and it was still installed.

Is it still running ?
If yes, stop it and then try to remove it.

I looked in the system monitor and did not see it listed.

I had used RedHat 7.2 and used to use gnorpm to manage rpms.
You need to be logged in as root in order to use this.
Another approach to take may be to login as root at the console
and type:
find / -iname *snort*
and manually remove all files returned.
Hope this helps.
~cicisbeo

I typed that in and nothing came back.

I would assume then that `snort' has been removed from
your machine. If you're seeing it on user menus in your
window manager, then those entries may have to be re-
moved from the menu files manually. If you use gnome
then your menus should be somewhere in the directory
~/.gnome or perhaps ~/.gconf. I can't really remember
for sure and it may have changed by now, but look around
your home directory for anything like it.
I seem to remember tthat gnome menu filenames ended in the
extension `.menu' so perhaps doing a
find ~/ -iname *menu* would be useful
of even
grep -irn "snort" ~/
~cicisbeo

I typed in grep -irn "snort" ~/ and it showed me a lot of files and i was wondering the command for deleting then all?

you can uninstall something by -

find / -name "*snort*"

then

rm -rf /what/ever/fileyouwant

~BEWARE~
this command is powerful!

Just be aware that `grep -irn "string" location' returns the names of files found in the directory and sub-directories of location in which
"string" was found. You may not necessarily want to delete these
entire files, but edit them and remove the lines containing the
entries in which "string" was found. As mossy cautioned, be careful
what you are removing!
~cicisbeo

What is string? I am such a newb. So I need like specific things to do. thanks for all you help

I meant newb. And I guess I'm stupid for not using spellcheck