= Installing NetBox on Ubuntu 20.04 =
NetBox requires PostgreSQL 10 or later. Please note that MySQL and other relational databases are not supported.

=== PostgreSQL Database Installation ===
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# sudo apt update
# sudo apt install -y postgresql
}}}

Once PostgreSQL has been installed, start the service and enable it to run at boot:
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# sudo systemctl start postgresql
# sudo systemctl enable postgresql
}}}

=== Database Creation ===
At a minimum, we need to create a database for NetBox and assign it a username and password for authentication. Start by invoking the PostgreSQL shell as the system Postgres user.
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# sudo -u postgres psql
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Within the shell, enter the following commands to create the database and user (role), substituting your own value for the password:
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CREATE DATABASE netbox;
CREATE USER netbox WITH PASSWORD 'netbox123';
GRANT ALL PRIVILEGES ON DATABASE netbox TO netbox;
}}}
Do not use the password from the example. Choose a strong, random password to ensure secure database authentication for your NetBox installation.

Once complete, enter ''' \q ''' to exit the PostgreSQL shell.

=== Redis Installation ===

Redis is an in-memory key-value store which NetBox employs for caching and queuing. This section entails the installation and configuration of a local Redis instance.
Redis v4.0 or later required.
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# sudo apt install -y redis-server
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Before continuing, verify that your installed version of Redis is at least v4.0:
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# redis-server -v
}}}
You may wish to modify the Redis configuration at ''' /etc/redis.conf ''' or ''' /etc/redis/redis.conf ''', however in most cases the default configuration is sufficient.

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# sudo systemctl start redis-server.service
}}}

Verify Service Status

Use the ''' redis-cli ''' utility to ensure the Redis service is functional:
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# redis-cli ping
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If successful, you should receive a ''' PONG ''' response from the server.