How to Install Barman on OpenBSD

Barman is an open-source administration tool for disaster recovery of PostgreSQL servers written in Python. It provides several utilities to easily backup and restore PostgreSQL databases, and supports parallel backup and recovery for multiple servers. In this tutorial, we will be installing Barman on OpenBSD.

Prerequisites

Before installing Barman, make sure you have the following:

• An OpenBSD system with root access or sudo privileges
• PostgreSQL server installed and running on the system.

Installation

Follow the steps below to install Barman on OpenBSD:

1. Open a terminal window, and update the system package manager:

   $ sudo pkg_add -Uuv
   

2. Install the required packages for Barman:

   $ sudo pkg_add python py-psycopg2 py-paramiko
   

3. Download the latest version of Barman from the official website:

   $ sudo curl -o barman.tar.gz -L http://sourceforge.net/projects/pgbarman/files/latest/download
   

4. Extract the downloaded file:

   $ sudo tar -zxvf barman.tar.gz
   

5. Change the directory to the extracted folder:

   $ cd pgbarman-2.X.X/
   

6. Install the Barman package using the setup.py script:

   $ sudo python setup.py install
   

Configuration

After installing Barman, you need to configure it to backup your PostgreSQL databases.

1. Create a Barman configuration file:

   $ sudo touch /usr/local/etc/barman.conf
   

2. Open the configuration file using your preferred text editor:

   $ sudo vi /usr/local/etc/barman.conf
   

3. Add the following lines to the configuration file to specify the PostgreSQL server to backup:

   [postgresql]
   conninfo = host=<IP address or hostname> user=<username> dbname=<database name>
   

4. Save and close the file.

Usage

To backup a PostgreSQL database using Barman, follow the steps below:

1. Initialize Barman for the specified PostgreSQL server:

   $ sudo barman init --pg-version=<version> <server>
   

2. Backup the database using the barman backup command:

   $ sudo barman backup <server>
   

You can also monitor the backup process using the barman check command:

$ sudo barman check <server>

Conclusion

In this tutorial, you have learned how to install and configure Barman on OpenBSD, which provides an easy and efficient way to backup and restore PostgreSQL databases. You can now use Barman to backup and restore your PostgreSQL databases with ease.

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