[time-nuts] lightweight webserver for, e.g., NTP widget

David Armstrong d.b.armstrong at sasktel.net
Mon Feb 11 17:13:14 EST 2013


There are numberous web servers that are small and light weight, some
examples are boa ( www.boa.org ) and HTTPd
http://www.nongnu.org/mini-httpd/


On Mon, 2013-02-11 at 14:01 -0800, Jim Lux wrote:
> I'm intrigued by the possibility of using a lightweight web server to 
> provide a management/user interface to test equipment or appliances 
> (e.g. like the NTP server recently discussed, or a box with mixers and 
> counters).
> 
> I've built some web interfaces to very small things using Arduinos and 
> Rabbits, and it works ok for simple stuff (turning on and off switches), 
> but as soon as you start looking at a bit more complexity (e.g. you want 
> to move files around), a bit more sophistication on your server seems 
> useful.  Or, for instance, if you have a DDS you want to program to 
> follow a particular sequence of frequencies (e.g. to match a particular 
> Doppler profile, in my case). Or a data acquisition application.
> 
> The appeal that the "user client" is that any old web-browser is pretty 
> generic.
> 
> I've done this "sort of" by exposing a directory as a public share (SMB) 
> and then "browsing" to that file, using the file:// mechanism, but it 
> seems that actually having a real server might be useful (for things 
> like POST from a form, for instance)
> 
> But, on the other hand, it seems that something like Apache is a bit 
> much to manage.
> 
> Is there something that runs under Linux on a lightweight single board 
> PC (Raspberry pi or Intel Mini-ITX Atom mobos) that isn't too much of a 
> pain, and doesn't require you to be a full time web server administrator 
> to make it work?
> 
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