[CentOS] Headless Centos 7 "File and Print Server" install - configure WIFI

Thu Nov 24 16:52:50 UTC 2016
Gary Stainburn <gary at ringways.co.uk>

After all that, it was simply a case of going into nmtui and adding a WIFI 

I had tried that before, but it must have been before I moved the WIFI dongle 
to a different USB port.

On Thursday 24 November 2016 15:19:43 Gary Stainburn wrote:
> Google has done it's usual job and returned lots of results but not led me
> to a solution.
> I've just build a Centos 7 "File and Print Server" config, i.e. no
> screen/keyboard/mouse and no GUI installed.
> The LAN connection has worked out of the box and I can SSH into the server
> without issue.
> However, I cannot find out how to configure the WIFI connection which I
> need in order to provide Air Print services.
> I'm using a USB dongle which the kernel has recognised and provides me with
> a device.  I can use that device to scan for available WIFI networks.  What
> I can't do is configure a connection so that the server can connect to the
> the WIFI network.
> Can anyone help with a link to suitable instructions?
> Cheers
> Gary