Upgrade Travis-CI from Ubuntu 18 to 20

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

diff --git a/docs/admin/Faq.md b/docs/admin/Faq.md
index 2bf0e6bee793fda6703bf1b45fd6c22fd8879b17..bca6b49ddd6c6fae26da3df26ce6611c7e179c62 100644 (file)
--- a/docs/admin/Faq.md
+++ b/docs/admin/Faq.md
@@ -53,7 +53,7 @@ by adding ";" at the beginning of the line. Don't forget to enable this setting
 again once you are done with the PHP command line operations.
 
 
 again once you are done with the PHP command line operations.
 
 

-### PHP timzeone warnings
+### PHP timezeone warnings

 
 The Apache log may contain lots of PHP warnings like this:
     `PHP Warning:  date_default_timezone_set() function.`
 
 The Apache log may contain lots of PHP warnings like this:
     `PHP Warning:  date_default_timezone_set() function.`


@@ -171,7 +171,8 @@ Example error message
 
 The PostgreSQL database, i.e. user `postgres`, needs to have access to that file.
 
 
 The PostgreSQL database, i.e. user `postgres`, needs to have access to that file.
 

-The permission need to be read & executable by everybody, e.g.
+The permission need to be read & executable by everybody, but not writeable
+by everybody, e.g.

 
 ```
    -rwxr-xr-x 1 nominatim nominatim 297984 build/module/nominatim.so
 
 ```
    -rwxr-xr-x 1 nominatim nominatim 297984 build/module/nominatim.so


@@ -182,6 +183,16 @@ Try `chmod a+r nominatim.so; chmod a+x nominatim.so`.
 When running SELinux, make sure that the
 [context is set up correctly](../appendix/Install-on-Centos-7/#adding-selinux-security-settings).
 
 When running SELinux, make sure that the
 [context is set up correctly](../appendix/Install-on-Centos-7/#adding-selinux-security-settings).
 

+When you recently updated your operating system, updated PostgreSQL to
+a new version or moved files (e.g. the build directory) you should
+recreate `nominatim.so`. Try
+
+```
+   cd build
+   rm -r module/
+   cmake $main_Nominatim_path && make
+```
+

 ### Setup.php fails with "DB Error: extension not found"
 
 Make sure you have the PostgreSQL extensions "hstore" and "postgis" installed.
 ### Setup.php fails with "DB Error: extension not found"
 
 Make sure you have the PostgreSQL extensions "hstore" and "postgis" installed.