prerequisites. There are also step-by-step instructions available for
the following operating systems:
+ * [Ubuntu 22.04](../appendix/Install-on-Ubuntu-22.md)
* [Ubuntu 20.04](../appendix/Install-on-Ubuntu-20.md)
* [Ubuntu 18.04](../appendix/Install-on-Ubuntu-18.md)
- * [CentOS 8](../appendix/Install-on-Centos-8.md)
These OS-specific instructions can also be found in executable form
in the `vagrant/` directory.
### Software
!!! Warning
- For larger installations you **must have** PostgreSQL 11+ and Postgis 3+
+ For larger installations you **must have** PostgreSQL 11+ and PostGIS 3+
otherwise import and queries will be slow to the point of being unusable.
- Query performance has marked improvements with PostgrSQL 13+ and Postgis 3.2+.
+ Query performance has marked improvements with PostgreSQL 13+ and PostGIS 3.2+.
For compiling:
fsync = off
full_page_writes = off
-Don't forget to reenable them after the initial import or you risk database
+Don't forget to re-enable them after the initial import or you risk database
corruption.