How to Install Ganeti on OpenBSD

Ganeti is a virtual machine management software tool that allows you to manage multiple virtual machines on a cluster of machines. In this tutorial, we will learn how to install Ganeti on OpenBSD.

Prerequisites

Before installing Ganeti on OpenBSD, make sure that you have the following:

Step 1: Update the System

The first step is to update the OpenBSD system to make sure that you have the latest packages and security patches. Run the following command to update the system:

sudo sysupgrade -r

Step 2: Install Dependencies

Ganeti requires several dependencies to be installed on your system. Use the following command to install the dependencies:

sudo pkg_add -i curl rsync sshfs qemu gnupg lzo

Step 3: Configure the Firewall

By default, OpenBSD has its firewall enabled. We need to allow incoming traffic on ports that are required by Ganeti. Add the following lines to /etc/pf.conf:

pass in proto tcp from any to any port { ssh, http, https, icmp, 5080 }
pass in proto udp from any to any port { 6789, 694, 6949 }

Reload the firewall configuration by running the following command:

sudo pfctl -f /etc/pf.conf

Step 4: Install Ganeti

We can now install Ganeti by running the following command:

sudo pkg_add -i ganeti

Step 5: Configure Ganeti

After installing Ganeti, we need to configure it by configuring the network settings, the master node, etc. The configuration file is located at /etc/ganeti-cluster.conf. Edit this file to configure Ganeti based on your requirements.

Example configuration:

# Set the network settings
network = 192.168.0.0/24
netmask = 255.255.255.0

# Configure the master node
master = myhost.example.com
secondary_ip = 192.168.0.2

Step 6: Start Ganeti

We can start Ganeti by running the following command:

sudo /etc/rc.d/ganeti start

Verify that Ganeti is running by running the following command:

sudo /etc/rc.d/ganeti status

Conclusion

In this tutorial, we have learned how to install Ganeti on OpenBSD. We also learned how to configure Ganeti and start the service. With Ganeti installed, you can easily manage virtual machines on a cluster of machines.

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