Installing Sensu on OpenBSD

Sensu is an open-source monitoring tool that helps in monitoring infrastructure, applications, and services. In this tutorial, we will guide you through the step-by-step process of installing Sensu on OpenBSD.

Prerequisites

• A computer running OpenBSD
• Root access to the server
• A stable internet connection

Steps

1. Update your OpenBSD system by running the following command in your terminal:

   # syspatch
   

2. Run the following command to install the pkg_add utility:

   # pkg_add -Uuv
   

3. After installing the pkg_add utility, run the following command to update the package database:

   # pkg_info -U
   

4. Install RabbitMQ, which is a message broker that Sensu uses:

   # pkg_add rabbitmq-server
   

5. Start the RabbitMQ service:

   # rcctl enable rabbitmq
   # rcctl start rabbitmq
   

6. Install Sensu:

   # pkg_add sensu
   

7. Create the /etc/sensu/conf.d directory:

   # mkdir /etc/sensu/conf.d
   

8. Copy the default client configuration file to the /etc/sensu/conf.d directory:

   # cp /usr/local/share/examples/sensu/client.json /etc/sensu/conf.d/
   

9. Create the /var/log/sensu directory and change its ownership to the sensu user:

   # mkdir /var/log/sensu
   # chown sensu /var/log/sensu
   

10. Start the Sensu service:

    # rcctl enable sensu
    # rcctl start sensu
    

11. Verify that both the RabbitMQ and Sensu services are running:

    # rcctl check rabbitmq
    # rcctl check sensu
    

Congratulations! You have successfully installed Sensu on OpenBSD. You can now configure and use Sensu for monitoring your services and applications.

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