[Qgis-user] QGIS server in professional use?

[Mats Elfström]

Hi Richard!
I agree, those steps should do it.
I tried to carefully follow the instructions (as I have been told to do) on
this page.
https://docs.qgis.org/3.16/en/docs/server_manual/getting_started.html#installation-on-debian-based-systems
which differs considerably from your instructions. Are these steps
unneccesary?

1 You do not create a virtual host
2 You do not edit the .hosts file

Those two steps have caused me the most worry, because I did not see the
point of doing that, and the instructions are not very clear.
Have you read my quite detailed report on every step of the described
installation process, where everything went smoothly until the virtual host
was added?

I agree that this may seem as an HTTP server configuration problem more
than a QGIS Server problem.
But they are connected, QGIS Server is of no use without a HTPP server.
And I consider the documentation of any software an integral part of the
software. So that incomplete or false documentation can be considered a bug
if it prevents the software from running.

This machine is up on the net, has a PostgreSQL/PostGIS geodatabase with
lots of data and Geoserver 2.19 up and running. No problems there.
I am not too happy if I have to start over on a new machine.

Regards, Mats.E


Den mån 18 okt. 2021 kl 04:31 skrev Richard Greenwood <
richard.greenwood at gmail.com>:

> Posting again without screenshot, which apparently caused my previous
> email to await moderator approval.
>
> Mats,
>
> I fired up a new Ubuntu 20.04 instance on AWS and did the following 5
> steps which got me an XML capabilities document.
>
> # standard practice when starting a new instance
> sudo apt update && sudo apt upgrade -y
> # reboot if a new kernel was installed by apt upgrade
> sudo reboot
> # install qgis-server and apache web server
> sudo apt install qgis-server apache2 libapache2-mod-fcgid
> # enable apache fcgi and cgi
> sudo a2enmod fcgi cgi
> sudo systemctl restart apache2
> # in a web browser you should now get an XML document from the following
> request
> http://IP-ADDRESS-OR-HOST-NAME
> /cgi-bin/qgis_mapserv.fcgi?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetCapabilities
>
> And 3 more steps got me a map
>
> # load some test data
> wget https://github.com/qgis/QGIS-Training-Data/archive/v2.0.zip
> sudo apt install unzip
> unzip v2.0.zip
> # in a web browser you should get a map from the following request
> http://IP-ADDRESS-OR-HOST-NAME
> /cgi-bin/qgis_mapserv.fcgi?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetCapabilities&MAP=/home/ubuntu/QGIS-Training-Data-2.0/exercise_data/qgis-server-tutorial-data/world.qgs&LAYERS=countries&SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&CRS=EPSG:4326&WIDTH=400&HEIGHT=200&BBOX=-90,-180,90,180
>
> The tutorial tries to cover a lot of ground, maybe too much. And the 8
> steps above certainly don't cover enough for a production server. But it's
> quite unfair to say that "QGIS Server is not ready for production". As
> Donovan pointed out, there are a lot of moving parts and you have to have
> some proficiency with all of them if you are doing it on your own.
>
> The basic principle is that QGIS Server is serving WMS, WFS, WCS requests
> via CGI (or Fast-CGI). Apache, Ngix, IIS, Tomcat all can serve CGI and
> Fast-CGI. Pick whatever operating system and web server you're the most
> proficient with. Install QGIS Server, start with the simplest configuration
> that you can, as I did above. Then start tuning it to your needs. If you
> run into problems ask for help on the list or
> https://gis.stackexchange.com/ with specific details as to what the
> problem is.
>
> --
> Richard W. Greenwood
> www.greenwoodmap.com
>


-- 


*GisKraft*, Geodatakonsult

Mats Elfström, Marsvinsholms stationsväg 80, 271 93 Ystad, Sweden
tel: +46 70 595 39 35 / www.giskraft.se
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