[TriLUG] new - old linux help

[Hank Montgomery via TriLUG]

Hello TriLuggers,

Back in 1990, with an MVS background,  I took a series of Unix classes 
up to and including Unix admin with BellSouth because I had just moved 
into the data center in Nashville TN and was going to be doing local 
support for a system that had a number of Unix boxes attached - however 
within a month of finishing the classes and moving into that job they 
developed a way to do 99% of the support remotely from Birmingham AL.  
Hence my only function at that time was to apply updates from tape and 
boot the systems when required by the centralized support group.  My 
primary job migrated back to MVS mainframe support and I mostly said 
goodby to Unix.

Fast forward to the end of 1999 and I was now retired from Ma Bell after 
a 35 year career, and had moved to Raleigh as an IT mainframe support 
contractor just in time for an uneventful Y2K.  In 2001 I started 
supporting some web pages at http://rars.org and had to get the old Unix 
books to learn enough to get by with SSH and FTP access.  By early 2005 
I had purchased a virtual server in California and was supporting a few 
other sites as well so I again got out the old books and relearned just 
Unix (translating to Linux) to struggle through setting up a LAMP box at 
home as a text box for developing web pages - and I joined TriLug on 
June 11th of 2005 as Member ID : 1118497228 - and still have that card 
in my wallet and follow the email threads.  I attended about half the 
TriLUG meetings over the next couple of years but never learned much 
more Linux, then I retired from contract work and started RVing.  For a 
few years I still had the LAMP box at the house and accessed it via 
remote FTP and SSH from the RV.  Then we sold the house and became Full 
Time RVers and while I still support several websites,  I no longer have 
a test box for development.

Now I have an admittedly somewhat ambitious interest in setting up one 
or more Raspberry PI boxes running something like LAMP to provide:
1) a LAN for several laptops, tablets,  smartphones, and a WiFi / USB 
printer
2)  a web development host with PHP and MySql,
3) several networked storage devices,
4) Ability to dynamically connect the LAN to any of several WAN 
connections including air cards from 2 cell carriers and local 
campground WiFi hotspot when available.

I know NOTHING about Raspberry Pi so I am looking for answers:
A) Is if feasible to do all this on a single Raspberry Pis - or how many 
should I plan on building.
B) What flavor(s) of O/S should I use (simple I hope).
C) Once configured can ALL maintenance and use be done over WiFi.

NOTE that  power and space, are all  limited when living in an RV - to 
say nothing of money, also factor.

Any advice will be greatly appreciated,
Hank Montomery
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HANK   and   SELENE     MONTGOMERY
K4HM   &     KG4RMT   (Ham Radio)
Hank at k4hm.net        919-818-7455
Selene at k4hm.net     919-818-2808
Blog: Little House on the Road 
<http://littlehouseontheroad-smdrm.blogspot.com/>
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