On 24/01/2019 09:45, The Natural Philosopher wrote:
> Questions:
> ==========
> 1/. Is 512MB RAM enough to run the most minimal of web servers headless? 

Yes, as long as we aren't talking more than a few dozen simultaneous 
clients.

> I did run apache on 384M on *86, but I sometimes went into swap...
> 2/. Should I use apache or run on something smaller?

I prefer nginx, it's better on the single core machines as it doesn't 
create threads for each clients.

> 3/. Is a Pi Zero/W man enough to stream audio without stuttering (it 
> surely must be?).

Well my Pi-0W is up to streaming Pi Camera video from an nginx web 
server, so audio should be OK.

> 4/. In order to bootstrap the install without a monitor or keyboard (I
> COULD use Ethernet, for initial booting), I would like feedback on 
> whether the following method would work to get 'up and running'?
>      (a) format and install raspian on an SD card using
>      SD USB adapter on host computer
>      (b) Whilst still attached to the host computer, edit the
>      config files to set up ssh access, wirless networking
>          and a fixed IP address.
>      That is, enough to get an accessible bootable headless pi
>       on the network in a 'well known' place?

That's what I do.

> 5/. Apart from logging issues, I see no real reson why the SD card
>      ever will need to be written to in use, unless I need swap.

If all the pages are static, there shouldn't be any writes, but if they 
are generated by scripts, their will be.

>      Has anyone ever tried running a Pi with what amounts to a read only
>      mounted root partition? Can one disable logging?

It has been done, but I've always kept a minimal amount of logging, to 
be able to diagnose any problems.

---druck

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