no food- grow some
limited gasoline- biodiesel or wood gas
no services- learn to do it yourself
no doctors- don't get hurt
no communications- switch to CB, ham radio, analog landline, and dial-up modem & BBS.
no electricity- make some
no running water- make your own system
no gas (for heating)- use wood instead
security problems- build a very good stronghold
limited ammo- get into reloading
200yrs ago there was none of those things and we did alright. So many people get hung up on making technology work again when the technology isn't needed, it's a luxury. My mother grew up in a house that had neither power or running water, that was only 80yrs ago, we have gone soft.
"Doctors-don't get hurt" I think you should re-think that statement. People don't get hurt or ill by choice. Again,we can re-learn the old ways.It's amazing how quickly people have become dependent on luxury.
Medical- Learn basic understanding of medical care and basic emergency medical steps
No gas for heating - use Ancient china approach by using steam and or just make sure to isolate enough
Limited ammo - Improvised weaponry
Information flow - post pigions and or horse based postal between areas, also old fashioned Morse lines
Degrading knowledge- tap into old computers with power, make your own little hub and travel around looting hardrives etc.
Survival - learn Basic understanding of survival tactics and basic combat tactics.
i agree, we have truly become to accustomed to our technology us in the western region of this world.
I bet if someone tried to truly live as an African for a year they`d fail within a month.
To running water to sewers to even electricity, lets take Greece and Rome for the two firs examples .as how rudimentary technology can be adjusted to work very well.
Dig ditches and fill it with bricks/ rocks on the side and on top for both, the ancient aqueducts know about those?
as for the latter example just take the Baghdad battery, and the supposed Egyptian light bulb, all based on rudimentary technology but technically would work very well, like our own current light bulbs and batteries.
But in a Zombie out break we as mankind, if we can work together can adapt easily and take control of regions of towns to restore old infrastructure. thats another Note to this most infrastructure would be standing and not necessarily damaged.