X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/644a7f524cfba0ddcdf4d67c8e8ab7da091644fb..7d418da564484c3f2fffcd4801188d6ffc4f436a:/docs/admin/Faq.md

diff --git a/docs/admin/Faq.md b/docs/admin/Faq.md
index 126d7977..efcd5741 100644
--- a/docs/admin/Faq.md
+++ b/docs/admin/Faq.md
@@ -16,46 +16,27 @@ was killed. If it looks like this:
 then you can resume with the following command:
 
 ```sh
-./utils/setup.php --index --create-search-indices --create-country-names
+nominatim import --continue indexing
 ```
 
 If the reported rank is 26 or higher, you can also safely add `--index-noanalyse`.
 
 
-### PHP "open_basedir restriction in effect" warnings
+### PostgreSQL crashed "invalid page in block"
 
-    PHP Warning:  file_get_contents(): open_basedir restriction in effect.
+Usually serious problem, can be a hardware issue, not all data written to disc
+for example. Check PostgreSQL log file and search PostgreSQL issues/mailing
+list for hints.
 
-You need to adjust the
-[open_basedir](https://www.php.net/manual/en/ini.core.php#ini.open-basedir)
-setting in your PHP configuration (`php.ini` file). By default this setting may
-look like this:
+If it happened during index creation you can try rerunning the step with
 
-    open_basedir = /srv/http/:/home/:/tmp/:/usr/share/pear/
-
-Either add reported directories to the list or disable this setting temporarily
-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.
-
-
-### PHP timzeone warnings
-
-The Apache log may contain lots of PHP warnings like this:
-    `PHP Warning:  date_default_timezone_set() function.`
-
-You should set the default time zone as instructed in the warning in
-your `php.ini` file. Find the entry about timezone and set it to
-something like this:
+```sh
+nominatim import --continue indexing
+```
 
-    ; Defines the default timezone used by the date functions
-    ; https://php.net/date.timezone
-    date.timezone = 'America/Denver'
+Otherwise it's best to start the full setup from the beginning.
 
-Or
 
-```
-echo "date.timezone = 'America/Denver'" > /etc/php.d/timezone.ini
-```
 
 ### nominatim.so version mismatch
 
@@ -64,7 +45,7 @@ When running the import you may get a version mismatch:
 
 pg_config seems to use bad includes sometimes when multiple versions
 of PostgreSQL are available in the system. Make sure you remove the
-server development libraries (`postgresql-server-dev-9.5` on Ubuntu)
+server development libraries (`postgresql-server-dev-13` on Ubuntu)
 and recompile (`cmake .. && make`).
 
 
@@ -78,7 +59,7 @@ on a non-managed machine.
 
 ### I see the error: "function transliteration(text) does not exist"
 
-Reinstall the nominatim functions with `setup.php --create--functions`
+Reinstall the nominatim functions with `nominatim refresh --functions`
 and check for any errors, e.g. a missing `nominatim.so` file.
 
 ### I see the error: "ERROR: mmap (remap) failed"
@@ -91,14 +72,10 @@ If you are using a flatnode file, then it may also be that the underlying
 filesystem does not fully support 'mmap'. A notable candidate is virtualbox's
 vboxfs.
 
-### I see the error: "clang: Command not found" on CentOS
-
-On CentOS 7 users reported `/opt/rh/llvm-toolset-7/root/usr/bin/clang: Command not found`.
-Double-check clang is installed. Instead of `make` try running `make CLANG=true`.
-
 ### nominatim UPDATE failed: ERROR: buffer 179261 is not owned by resource owner Portal
 
-Several users [reported this](https://github.com/openstreetmap/Nominatim/issues/1168) during the initial import of the database. It's
+Several users [reported this](https://github.com/openstreetmap/Nominatim/issues/1168)
+during the initial import of the database. It's
 something PostgreSQL internal Nominatim doesn't control. And PostgreSQL forums
 suggest it's threading related but definitely some kind of crash of a process.
 Users reported either rebooting the server, different hardware or just trying
@@ -110,22 +87,6 @@ The server cannot access your database. Add `&debug=1` to your URL
 to get the full error message.
 
 
-### On CentOS the website shows "Could not connect to server"
-
-`could not connect to server: No such file or directory`
-
-On CentOS v7 the PostgreSQL server is started with `systemd`. Check if
-`/usr/lib/systemd/system/httpd.service` contains a line `PrivateTmp=true`. If
-so then Apache cannot see the `/tmp/.s.PGSQL.5432` file. It's a good security
-feature, so use the
-[preferred solution](../appendix/Install-on-Centos-7/#adding-selinux-security-settings).
-
-However, you can solve this the quick and dirty way by commenting out that line and then run
-
-    sudo systemctl daemon-reload
-    sudo systemctl restart httpd
-
-
 ### Website reports "DB Error: insufficient permissions"
 
 The user the webserver, e.g. Apache, runs under needs to have access to the
@@ -156,7 +117,8 @@ Example error message
 
 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
@@ -164,19 +126,45 @@ The permission need to be read & executable by everybody, e.g.
 
 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 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
 
-### Setup.php fails with "DB Error: extension not found"
+```
+   cd build
+   rm -r module/
+   cmake $main_Nominatim_path && make
+```
+
+### Setup fails with "DB Error: extension not found"
 
 Make sure you have the PostgreSQL extensions "hstore" and "postgis" installed.
 See the installation instructions for a full list of required packages.
 
 
+### UnicodeEncodeError: 'ascii' codec can't encode character
+
+Make sure that the operating system's locale is UTF-8. With some prebuilt
+images (e.g. LXC containers from Proxmox, see
+[discussion](https://github.com/osm-search/Nominatim/discussions/2343)) or
+images that optimize for size it might be missing.
+
+On Ubuntu you can check the locale is installed:
+
+```
+   grep UTF-8 /etc/default/locale
+```
+
+And install it using
+
+```
+   dpkg-reconfigure locales
+```
+
 ### I forgot to delete the flatnodes file before starting an import.
 
 That's fine. For each import the flatnodes file get overwritten.
-See [https://help.openstreetmap.org/questions/52419/nominatim-flatnode-storage]()
+See [https://help.openstreetmap.org/questions/52419/nominatim-flatnode-storage](https://help.openstreetmap.org/questions/52419/nominatim-flatnode-storage)
 for more information.
 
 
@@ -185,11 +173,3 @@ for more information.
 ### Can I import negative OSM ids into Nominatim?
 
 See [this question of Stackoverflow](https://help.openstreetmap.org/questions/64662/nominatim-flatnode-with-negative-id).
-
-### Missing XML or text declaration
-
-The website might show: `XML Parsing Error: XML or text declaration not at start of entity Location.`
-
-Make sure there are no spaces at the beginning of your `settings/local.php` file.
-
-