Installing Shield on OpenBSD

Shield is a tool for backing up and restoring PostgreSQL databases. This tutorial will guide you through installing Shield on OpenBSD.

Prerequisites

Before starting the installation process, you should ensure that the following dependencies are installed on your OpenBSD system:

• PostgreSQL
• Ruby

Installation Process

1. Install Git and Ruby:

$ doas pkg_add git ruby

2. Clone the Shield repository:

$ git clone https://github.com/starkandwayne/shield.git

3. Change into the Shield directory:

$ cd shield

4. Install the Shield gem:

$ gem install shield

5. Copy the example configuration file:

$ cp config/shield.yml.example config/shield.yml

6. Edit the Shield configuration file:

$ vi config/shield.yml

In this file, you should replace the backup_targets section with information about your PostgreSQL databases. Here is an example configuration for a PostgreSQL database named mydb.

backup_targets:
  mydb:
    adapter: postgresql
    database: mydb
    username: myuser
    password: mypassword

7. Test the Shield installation:

$ shield -h

This command should output a list of Shield commands.

Running Shield

To run Shield, you should use the shield command. Here are a few examples of how to use Shield:

• Backup all databases:

$ shield backup

• Backup a specific database:

$ shield backup mydb

• Restore a specific database:

$ shield restore mydb 2021-10-01-123456

This command will restore the mydb database to the backup created at 2021-10-01-123456.

Conclusion

Shield is now installed and ready to use on your OpenBSD system. With this tool, you can easily backup and restore your PostgreSQL databases.

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