a Debian user's introduction to Redhat EL4?

[Peter Teunissen <lists@onemanifest.net>]

Hi All,


I've got a great opportunity to promote opensource at my job by  
working on a BI project for Oxfam. But, I'm forced to use Redhat EL4  
and need to get up and running in a short time. I've been looking for  
a Debian user's introduction to Redhat EL4, but only found intro's in  
the other direction :-)

I'm sure others on this list have had the same challenge, can someone  
give me some pointers to a quick online introduction? I'm looking for  
stuff like how yum and up2date compare to aptitude, how to safely  
install downloaded rpm's without interfering with yum's updates, if  
there are equivalents of repositories like backports etc..


Thx,


Peter