remove CentOS installation instructions

[nominatim.git] / docs / admin / Installation.md

diff --git a/docs/admin/Installation.md b/docs/admin/Installation.md
index 96546cf3de57dabd1f27b338220767216235f2d7..e77dccf480b4bd8c3bfb92cf2dacd81c1ab443e9 100644 (file)
--- a/docs/admin/Installation.md
+++ b/docs/admin/Installation.md
@@ -6,7 +6,6 @@ the following operating systems:
 
   * [Ubuntu 20.04](../appendix/Install-on-Ubuntu-20.md)
   * [Ubuntu 18.04](../appendix/Install-on-Ubuntu-18.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.
 
 These OS-specific instructions can also be found in executable form
 in the `vagrant/` directory.


@@ -24,9 +23,9 @@ and can't offer support.
 ### Software
 
 !!! Warning
 ### 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.
     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:
 
 
 For compiling:
 


@@ -67,10 +66,10 @@ the [Development section](../develop/Development-Environment.md).
 ### Hardware
 
 A minimum of 2GB of RAM is required or installation will fail. For a full
 ### Hardware
 
 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
+planet import 128GB of RAM or more are strongly recommended. Do not report

 out of memory problems if you have less than 64GB RAM.
 
 out of memory problems if you have less than 64GB RAM.
 

-For a full planet install you will need at least 900GB of hard disk space.
+For a full planet install you will need at least 1TB of hard disk space.

 Take into account that the OSM database is growing fast.
 Fast disks are essential. Using NVME disks is recommended.
 
 Take into account that the OSM database is growing fast.
 Fast disks are essential. Using NVME disks is recommended.
 


@@ -112,7 +111,7 @@ For the initial import, you should also set:
     fsync = off
     full_page_writes = off
 
     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.
 
 
 corruption.