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+# Steps
+
+## Install, upgrade and start a modern Postgresql cluster
+
+```
+sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
+wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
+sudo apt-get update
+sudo apt install postgresql-14 postgresql-14-postgis-3 osm2pgsql
+sudo pg_createcluster 14 postgis
+sudo systemctl enable postgresql@14-postgis.service
+sudo systemctl start postgresql@14-postgis
+```
+After running the commands, you should get...
+
+```
+guillem@EURMP1519550L:~$ sudo systemctl status postgresql@14-postgis
+● postgresql@14-postgis.service - PostgreSQL Cluster 14-postgis
+   Loaded: loaded (/lib/systemd/system/postgresql@.service; indirect; vendor preset: enabled)
+   Active: active (running) since Tue 2022-09-13 08:51:15 UTC; 3min 24s ago
+  Process: 7453 ExecStart=/usr/bin/pg_ctlcluster --skip-systemctl-redirect 14-postgis start (code=exited, status=0/SUCCESS)
+ Main PID: 7461 (postgres)
+    Tasks: 7 (limit: 4915)
+   CGroup: /system.slice/system-postgresql.slice/postgresql@14-postgis.service
+           ├─7461 /usr/lib/postgresql/14/bin/postgres -D /var/lib/postgresql/14/postgis -c config_file=/etc/postgresql/14/postgis/postgresql.conf
+           ├─7466 postgres: 14/postgis: checkpointer
+           ├─7467 postgres: 14/postgis: background writer
+           ├─7468 postgres: 14/postgis: walwriter
+           ├─7469 postgres: 14/postgis: autovacuum launcher
+           ├─7470 postgres: 14/postgis: stats collector
+           └─7471 postgres: 14/postgis: logical replication launcher
+
+Sep 13 08:51:10 EURMP1519550L systemd[1]: Starting PostgreSQL Cluster 14-postgis...
+Sep 13 08:51:15 EURMP1519550L systemd[1]: Started PostgreSQL Cluster 14-postgis.
+```
+
+Check the port where Postgres is running by finding the socket 
+
+```
+guillem@EURMP1519550L:~$ ls /var/run/postgresql/
+10-main.pg_stat_tmp/    12-main.pg_stat_tmp/    14-main.pg_stat_tmp/    14-postgis.pg_stat_tmp/ 14-postgis.pid          .s.PGSQL.5435           .s.PGSQL.5435.lock
+```
+
+Enter the database with: 
+
+```
+guillem@EURMP1519550L:~$ sudo -u postgres psql -p 5435
+psql (14.5 (Ubuntu 14.5-1.pgdg18.04+1))
+Type "help" for help.
+
+postgres=#
+```
+
+## Install postgresql extensions
+
+```
+guillem@EURMP1519550L:~$ sudo -u postgres psql -p 5435
+psql (14.5 (Ubuntu 14.5-1.pgdg18.04+1))
+Type "help" for help.
+
+postgres=# create database pgsnapshot;
+CREATE DATABASE
+postgres=# \c pgsnapshot
+You are now connected to database "pgsnapshot" as user "postgres".
+pgsnapshot=# create extension postgis;
+CREATE EXTENSION
+pgsnapshot=# create extension hstore;
+CREATE EXTENSION
+pgsnapshot=# \dx
+                                List of installed extensions
+  Name   | Version |   Schema   |                        Description
+---------+---------+------------+------------------------------------------------------------
+ hstore  | 1.8     | public     | data type for storing sets of (key, value) pairs
+ plpgsql | 1.0     | pg_catalog | PL/pgSQL procedural language
+ postgis | 3.2.1   | public     | PostGIS geometry and geography spatial types and functions
+(3 rows)
+
+pgsnapshot=# \password postgres
+Enter new password for user "postgres":
+Enter it again:
+```
+
+## Download and load OSM data
+
+Download the data dump from https://download.openstreetmap.fr/
+
+```
+wget https://download.openstreetmap.fr/extracts/north-america/mexico-latest.osm.pbf
+```
+
+```
+sudo -u postgres osm2pgsql --create --database pgsnapshot --cache 20000 --number-processes 2 --slim -P 5435 --keep-coastlines --extra-attributes --hstore-all mexico-latest.osm.pbf
+```
+
+Then change the postgresql.conf and pg_hba.conf files to allow remote connections to the database.
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