MCollective is a framework that allows system administrators to manage large computer networks. It uses a publish-subscribe messaging system to communicate between nodes, providing a powerful and scalable way to execute commands in parallel across multiple servers. This tutorial will guide you through the process of installing MCollective on Debian Latest.
Before proceeding with the installation, make sure that you have the following prerequisites:
To install MCollective on Debian Latest, you need to first install some prerequisite packages. Open a terminal window on your Debian Latest server and run the following command:
sudo apt-get update
sudo apt-get install ruby ruby-dev libruby libssl-dev build-essential
MCollective packages are not available in the default Debian Latest package repositories. So you need to add the MCollective repository to your system using the following commands:
wget -O - http://apt.puppetlabs.com/pubkey.gpg | sudo apt-key add -
echo "deb http://apt.puppetlabs.com/ bionic main" | sudo tee /etc/apt/sources.list.d/puppetlabs.list
Once the new repository is added, update your package list by running the following:
sudo apt-get update
Then, install mcollective and its dependencies by running the following command:
sudo apt-get install mcollective mcollective-client libmcollective-client0 libmcollective-common0 libmcollective-plugins-json0
After the installation is completed, verify that the mcollective service is running by running the following command:
sudo systemctl status mcollective
If the service is not running, start it by running:
sudo systemctl start mcollective
By default, MCollective is configured to communicate with other servers over the local network. However, you may need to modify the configuration file to suit your needs. The configuration file is located at /etc/mcollective/client.cfg.
Open the configuration file in your favorite text editor and review the default settings. Modify the file as needed to reflect your specific environment.
To test MCollective, you can run the following command to request a list of all nodes that are currently connected to the network:
sudo mco ping
If MCollective is working properly, you will see a list of nodes that are currently online and available to be controlled with MCollective.
In this tutorial, you have learned how to install MCollective on Debian Latest. MCollective is a powerful tool that can help system administrators manage large computer networks more efficiently. With it, you can execute commands in parallel across multiple servers, and take control of your infrastructure with ease.
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