OT: Questions about UBUNTU - anyone here familiar with it?

I am trying to set up a PHP/MySQL server for my LAN, and have decided to use
UBUNTU Linux for this project.

I am a babe in the woods with this, having taken my last C-Shell class in
1987-ish. Can someone tell me the following, please -

1. Is Apache already installed with the UBUNTU desktop?
2. If not, how can I install it after downloading it? I keep getting a
permissions error when I try to untar the download into a new directory
(/usr/local/apache2)
3. I assume after doing this that I need to download and install PHP5, and
then MySQL5 - correct?

Thanks much!

--
Murray --- ICQ 71997575
Adobe Community Expert
(If you *MUST* email me, don't LAUGH when you do so!)
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