X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/fe250d3ee8a0c9863f42f4db9bc6427a39690142..dd301cf5ac6e7fed7786cbfb433317d265ab9948:/docs/admin/Installation.md

diff --git a/docs/admin/Installation.md b/docs/admin/Installation.md
index b9705eb5..6f9538fe 100644
--- a/docs/admin/Installation.md
+++ b/docs/admin/Installation.md
@@ -37,16 +37,19 @@ For compiling:
 For running Nominatim:
 
   * [PostgreSQL](https://www.postgresql.org) (9.3+)
-  * [PostGIS](https://postgis.org) (2.2+)
-  * [Python 3](https://www.python.org/)
-  * [Psycopg2](https://initd.org/psycopg)
+  * [PostGIS](https://postgis.net) (2.2+)
+  * [Python 3](https://www.python.org/) (3.5+)
+  * [Psycopg2](https://www.psycopg.org) (2.7+)
+  * [Python Dotenv](https://github.com/theskumar/python-dotenv)
+  * [psutil](https://github.com/giampaolo/psutil)
   * [PHP](https://php.net) (7.0 or later)
   * PHP-pgsql
   * PHP-intl (bundled with PHP)
+  * PHP-cgi (for running queries from the command line)
 
 For running continuous updates:
 
-  * [pyosmium](https://osmcode.org/pyosmium/) (with Python 3)
+  * [pyosmium](https://osmcode.org/pyosmium/)
 
 For dependencies for running tests and building documentation, see
 the [Development section](../develop/Development-Environment.md).
@@ -57,12 +60,12 @@ A minimum of 2GB of RAM is required or installation will fail. For a full
 planet import 64GB of RAM or more are strongly recommended. Do not report
 out of memory problems if you have less than 64GB RAM.
 
-For a full planet install you will need at least 800GB of hard disk space
-(take into account that the OSM database is growing fast). SSD disks
-will help considerably to speed up import and queries.
+For a full planet install you will need at least 900GB of hard disk space.
+Take into account that the OSM database is growing fast.
+Fast disks are essential. Using NVME disks is recommended.
 
 Even on a well configured machine the import of a full planet takes
-at least 2 days. Without SSDs 7-8 days are more realistic.
+around 2 days. On traditional spinning disks, 7-8 days are more realistic.
 
 ## Tuning the PostgreSQL database
 
@@ -142,6 +145,16 @@ build at the same level as the Nominatim source directory run:
 ```
 cmake ../Nominatim
 make
+sudo make install
+```
+
+Nominatim installs itself into `/usr/local` per default. To choose a different
+installation directory add `-DCMAKE_INSTALL_PREFIX=<install root>` to the
+cmake command. Make sure that the `bin` directory is available in your path
+in that case, e.g.
+
+```
+export PATH=<install root>/bin:$PATH
 ```
 
 Now continue with [importing the database](Import.md).