server installation

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Hello all,

I have downloaded RH8 off of ftp.redhat.com and placed it in CDRs (i
think it's the personal version?).  Most of my installations are for
dedicated closed servers (ie they don't contain shell accounts and
most services are "virtualized").  Anyway, up until RH7.3 I've always
performed CUSTOM install and selected package sets (ie DNS server for
a machine performing only DNS).  I've noticed that in 8.0, I can now
select package sets even if I specified SERVER install unlike before
where it installed pre-selected package sets.  Now, it just
pre-selects package sets but still allows me to change it.

Now my questions:

1. Which is a better option, to continue with CUSTOM or go with
SERVER?  I don't want to needlessly install packages which won't do
anything (example: notice that even if one selects DNS server and
nothing else, RH *insists* on installing and running sendmail -- what
for??).  What do you recommend I do when installing into a machine
which will only provide 1 type of service (DNS or WEB server or FTP
server)?

2. Is there a list somewhere with details of which RPMs are installed
when selecting a package set?  This should help in deciding which
sets to install.

3. My machines are dedicated servers providing at most 2 types of
services (in any combination).  It has no shell access except for the
sysadmin account.  Only 2 consoles are active.  Remote access is via
ssh only with rootlogin denied.  Can I compile the kernel on another
machine and just transfer it (together with System.map, vmlinuz, and
modules of course)?  This would aid in preventing me from having to
install kernel sources to all machines (we do compile/dev work on
another machine and just transfer binaries to the end server; we
prefer stripping anything unneeded from the machine -- talk about
extreme paranoia -- but we are waaaay too new to linux to go with
Linux from scratch).

4. Any suggestions or howto on setting up our own local RHN-type of
update service?  I want to download the updates (or mirror the
updates.redhat.com site) to a central server and have my servers
periodically update from that central server.

Thanks in advance for any info/help.


M. Yu

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