ubuntu repository question

[bob 295]

I have recently setup a Linode to help expand the reach of my online Linux 
programming course.

I chose to install the Ubuntu Lucid on my Linode partition.   The Linode 
Ubuntu image is very basic and doesn't include a lot of the build tools I'll 
need for my course.    Unfortunately,  I'm an Ubuntu novice,  even though I'm 
an experienced Linux developer.

The Ubuntu repository online search capability isn't all that helpful.   It is 
more a catalog of available stuff,  but doesn't put that stuff in context.   

Is there an easy way to "discover" what packages I would need to get tools 
like GCC,  make,  Tcl/Tk etc?  or does one have to go by trial and error?

Thanks in advance for your response.

bob
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