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Update 'Install_PostgreSQL_14_and_PostGIS_3'

Kaimbacher 2022-06-30 14:12:34 +00:00
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Install_PostgreSQL_14_and_PostGIS_3.md

@ -1,4 +1,4 @@
# Step 1: Install PostgreSQL 14 on Ubuntu 22.04 ## Step 1: Install PostgreSQL 14 on Ubuntu 22.04
``` ```
echo "deb http://apt.postgresql.org/pub/repos/apt/ `lsb_release -cs`-pgdg main" |sudo tee /etc/apt/sources.list.d/pgdg.list \ echo "deb http://apt.postgresql.org/pub/repos/apt/ `lsb_release -cs`-pgdg main" |sudo tee /etc/apt/sources.list.d/pgdg.list \
response: response:
@ -11,7 +11,44 @@ sudo apt install postgresql postgresql-contrib
sudo apt install postgresql-14-postgis-3 postgresql-14-postgis-3-scripts sudo apt install postgresql-14-postgis-3 postgresql-14-postgis-3-scripts
``` ```
# Step 2: Create Database Viewing the server version\
`/usr/lib/postgresql/12/bin/postgres -V` \
response:\
postgres (PostgreSQL) 14.4 (Ubuntu 14.4-1.pgdg22.04+1)
## Step2: Configure CONNECTIONS AND AUTHENTICATION
### postgresql.conf
Most global configuration settings are stored in postgresql.conf, which is created automatically when you install PostgreSQL. Open this file in your preferred text editor:\
`sudo nano /etc/postgresql/14/main/postgresql.conf`
By default, Postgres only listens on localhost. However, by editing the listen_addresses-section and replacing localhost with an IP, you can force Postgres to listen on another IP. Use '*' to listen on all IP addresses, restrict access via firewall.\
`listen_addresses= '*'`
### pg_hba.conf
It’s now time to open the (in)famous pg_hba.conf configuration file, located at /etc/postgresql/10/main/pg_hba.conf:
`sudo nano /etc/postgresql/10/main/pg_hba.conf`
HBA stands for host-based authentication. Basically, this file is used to control how PostgreSQL users are authenticated.\
`host all all 127.0.0.1/32 md5`\
This line allows "all" users to login using TCP/IP ("host") from the localhost "127.0.0.1/32" to "all" databases, if they succeed in password authentication using the "md5" method. There are more password authentication methods (md5, scram-sha-256, gss, ldap, …) than we can cover, so let’s just get back to simpler examples.
In most cases the access is restricted to localhost and the clients vlan e.g.:
```ini
# existing entry, allows connections from localhost
host all all 127.0.0.1/32 md5
# new entry to allow connections from 192.168.101.1/24 subnet,
host all all 192.168.1.1/24 md5
# ip of your webserver
host all all 172.16.4.48/32 md5
```
## Step 3: Create Database
While in terminal, log in to the psql console as postgres user: While in terminal, log in to the psql console as postgres user:
`sudo su -l postgres` `sudo su -l postgres`