OpenStreetMap
I’ve added a new page to the switch2osm guide: “Updating your database as people edit OpenStreetMap”.
It’s a bit overdue (it’s based on something I wrote about 4 years ago, and the software it uses predates that by a long way), but I think it is worth making available on the main site.
I’ve tested it both on Debian 11 and on Ubuntu 20.04 LTS, and have tried to make clear what you need to do differently in each case.
For completeness see also Ircama’s excellent guide which is well worth reading as it actually provides a lot more detail about the process, and also suggests how “osmium” may be used instead of “osmosis” to process OSM files.
Discussion
Comment from Rovastar on 24 November 2020 at 18:14
As a non-techinal thing it might be worth noting why this is important.
e.g. maybe say something like: “Every day there are millions of new map updates so to get the most complete map you should refresh your date regularly.”
Comment from SomeoneElse on 25 November 2020 at 08:32
I’ve added a sentence along those lines at https://github.com/switch2osm/switch2osm.github.io/pull/145 . To be honest, there are lots of places where guides such as this just need “a few more words” to explain why you’d do something (and not just switch2osm - some of the OSM Carto notes would benefit from updates too). As you see more, I’d suggest making pull requests directly - I’m sure the effort would be appreciated.