mirror of
https://github.com/osm-search/Nominatim.git
synced 2024-12-18 10:32:08 +03:00
182 lines
5.2 KiB
Markdown
182 lines
5.2 KiB
Markdown
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*Note:* these installation instructions are also available in executable
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form for use with vagrant under `vagrant/Install-on-Centos-7.sh`.
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Installing the Required Software
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================================
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These instructions expect that you have a freshly installed CentOS version 7.
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Make sure all packages are up-to-date by running:
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sudo yum update -y
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The standard CentOS repositories don't contain all the required packages,
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you need to enable the EPEL repository as well. To enable it on CentOS,
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install the epel-release RPM by running:
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sudo yum install -y epel-release
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Now you can install all packages needed for Nominatim:
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sudo yum install -y postgresql-server postgresql-contrib postgresql-devel postgis postgis-utils \
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git cmake make gcc gcc-c++ libtool policycoreutils-python \
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php-pgsql php php-pear php-pear-DB php-intl libpqxx-devel proj-epsg \
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bzip2-devel proj-devel geos-devel libxml2-devel boost-devel expat-devel zlib-devel
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If you want to run the test suite, you need to install the following
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additional packages:
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sudo yum install -y python-pip python-Levenshtein python-psycopg2 \
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python-numpy php-phpunit-PHPUnit
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pip install --user --upgrade pip setuptools lettuce==0.2.18 six==1.9 \
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haversine Shapely pytidylib
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sudo pear install PHP_CodeSniffer
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System Configuration
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====================
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The following steps are meant to configure a fresh CentOS installation
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for use with Nominatim. You may skip some of the steps if you have your
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OS already configured.
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Creating Dedicated User Accounts
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--------------------------------
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Nominatim will run as a global service on your machine. It is therefore
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best to install it under its own separate user account. In the following
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we assume this user is called nominatim and the installation will be in
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/srv/nominatim. To create the user and directory run:
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sudo useradd -d /srv/nominatim -s /bin/bash -m nominatim
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You may find a more suitable location if you wish.
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To be able to copy and paste instructions from this manual, export
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user name and home directory now like this:
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export USERNAME=nominatim
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export USERHOME=/srv/nominatim
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**Never, ever run the installation as a root user.** You have been warned.
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Make sure that system servers can read from the home directory:
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chmod a+x $USERHOME
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Setting up PostgreSQL
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---------------------
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CentOS does not automatically create a database cluster. Therefore, start
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with initializing the database, then enable the server to start at boot:
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sudo postgresql-setup initdb
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sudo systemctl enable postgresql
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Next tune the postgresql configuration, which is located in
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`/var/lib/pgsql/data/postgresql.conf`. See section *Postgres Tuning* in
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[the installation page](Installation.md) for the parameters to change.
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Now start the postgresql service after updating this config file.
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sudo systemctl restart postgresql
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Finally, we need to add two postgres users: one for the user that does
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the import and another for the webserver which should access the database
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only for reading:
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sudo -u postgres createuser -s $USERNAME
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sudo -u postgres createuser apache
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Setting up the Apache Webserver
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-------------------------------
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You need to create an alias to the website directory in your apache
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configuration. Add a separate nominatim configuration to your webserver:
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```
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sudo tee /etc/httpd/conf.d/nominatim.conf << EOFAPACHECONF
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<Directory "$USERHOME/Nominatim/build/website">
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Options FollowSymLinks MultiViews
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AddType text/html .php
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DirectoryIndex search.php
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Require all granted
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</Directory>
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Alias /nominatim $USERHOME/Nominatim/build/website
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EOFAPACHECONF
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```
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Then reload apache
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sudo systemctl restart httpd
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Adding SELinux Security Settings
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--------------------------------
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It is a good idea to leave SELinux enabled and enforcing, particularly
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with a web server accessible from the Internet. At a minimum the
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following SELinux labeling should be done for Nominatim:
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sudo semanage fcontext -a -t httpd_sys_content_t "$USERHOME/Nominatim/(website|lib|settings)(/.*)?"
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sudo semanage fcontext -a -t lib_t "$USERHOME/Nominatim/module/nominatim.so"
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sudo restorecon -R -v $USERHOME/Nominatim
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Installing Nominatim
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====================
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Building and Configuration
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--------------------------
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Get the source code from Github and change into the source directory
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cd $USERHOME
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git clone --recursive git://github.com/openstreetmap/Nominatim.git
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cd Nominatim
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When installing the latest source from github, you also need to
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download the country grid:
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wget -O data/country_osm_grid.sql.gz http://www.nominatim.org/data/country_grid.sql.gz
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The code must be built in a separate directory. Create this directory,
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then configure and build Nominatim in there:
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mkdir build
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cd build
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cmake $USERHOME/Nominatim
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make
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You need to create a minimal configuration file that tells nominatim
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the name of your webserver user and the URL of the website:
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```
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tee settings/local.php << EOF
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<?php
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@define('CONST_Database_Web_User', 'apache');
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@define('CONST_Website_BaseURL', '/nominatim/');
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EOF
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```
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Nominatim is now ready to use. Continue with
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[importing a database from OSM data](Import-and-Update.md).
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