How I Would Learn GIS (If I Had To Start Over)

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Install PostreSQL 14 and PostGIS 3 on Ubuntu 22.04 LTS

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I always get frustrated when I update my version of Ubuntu to the next LTS and want to do some development work with the latest stable releases of PostgreSQL and PostGIS.  I usually trawl a few web sites to find out what has changed but each time there are slightly different ways of doing the upgrade depending on where you land and who it is doing it. So...to (hopefully) help other people out wasting half a day or so here is my solution.  Hope this works for you too... To completely remove all previous installed versions of Postgresql/PostGIS libraries and docs if there is a previous version:-  :$ sudo apt --purge remove postgresql postgresql-*  :$ sudo apt autoremove  Remove old folders:-  :$ sudo rm -rf /var/lib/postgresql/  :$ sudo rm -rf /var/log/postgresql/  :$ sudo rm -rf /etc/postgresql/   Remove the old 'postgres' user:- :$ sudo deluser postgres    Restart System:-  :$ sudo shutdown -r now then:-  Update System after restart:-  :$ sudo apt update && sudo apt upg
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Qgis-server...Installing the QGIS Lizmap Plugin & Lizmap Web Client

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This post follows on from my previous three (most recent first in list) linked below. There is no doubt that in just a short time from now we will probably see a 'one-click' installer to by-pass the next steps but a least this method allows you to change 'in/out' the individual libraries if there is are updates using the usual ' sudo apt update && sudo apt upgrade '. http://www.paulshapley.com/2016/08/qgis-server-bringing-map-into-browser.html http://www.paulshapley.com/2016/07/how-to-install-qgis-server-on-ubuntu.html http://www.paulshapley.com/2016/04/how-to-install-postgresql-95-and.html 1.  Firstly...Create a new QGIS project, add your layers from PostGIS, Shapefiles or raster (geotiff), style and symbolise those layers, set the projection and ensure you've set up your 'OWS Server' in 'Project Properties'. 2.  Let's install the 'Lizmap' Plugin first by going into the 'Plugins' menu then 'Manage
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Install QGIS 3.22 LTS with QGIS-SERVER-3.22 and Apache2 on Ubuntu 22.04 LTS

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Install QGIS-SERVER-3.22   (assuming 'qgis' and 'qgis-plugin-grass' already on Ubuntu 22.04 LTS) (if not) :~$ sudo apt install qgis qgis-plugin-grass (then) :~$ sudo apt install qgis-server [sudo] password for paul: Reading package lists... Done Building dependency tree... Done Reading state information... Done qgis-server is already the newest version (3.22.16+dfsg-1~jammy3). 0 to upgrade, 0 to newly install, 0 to remove and 19 not to upgrade. Check the version installed: :~$ /usr/lib/cgi-bin/qgis_mapserv.fcgi --version QGIS 3.22.16-Białowieża 'Białowieża' (exported) QGIS code branchRelease 3.22 Qt version 5.15.3 Python version 3.10.6 GDAL/OGR version 3.6.2 PROJ version 9.1.1 EPSG Registry database version v10.076 (2022-08-31) GEOS version 3.11.1-CAPI-1.17.1 SQLite version 3.37.2 OS Ubuntu 22.04.2 LTS Now Install Apache2 :~$ sudo apt install apache2 [sudo] password for paul:  Reading package lists... Done Building dependency tree... Done Reading state informati
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