MicroCloud creates a lightweight cluster of machines that operates as an open source private cloud. It combines LXD for virtualisation, MicroCeph for distributed storage, and MicroOVN for networking—all automatically configured by the MicroCloud snap for reproducible, reliable deployments.
With MicroCloud, you can eliminate the complexity of manual setup and quickly benefit from high availability, automatic security updates, and the advanced features of its components such as self-healing clusters and fine-grained access control. Cluster members can run full virtual machines or lightweight system containers with bare-metal performance.
MicroCloud is designed for small-scale private clouds and hybrid cloud extensions. Its efficiency and simplicity also make it an excellent choice for edge computing, test labs, and other resource-constrained use cases.
MicroCloud supports single-node deployments, but at least 3 nodes are recommended for high availability.
Once the simple bootstrapping is completed, users can launch, run and manage their workloads using system containers or VMs, and otherwise utilize regular LXD functionalities.
To get started, LXD, MicroCeph, MicroOVN and MicroCloud snaps are needed. Users can install them at once with the command:
snap install lxd microceph microcloud microovn
The bootstrapping process starts with running
microcloud init on the initiating member
and microcloud join on the joining members if you're using more than one system
Following the simple CLI prompts, a working MicroCloud will be ready within minutes.
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Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Snap is available for Red Hat Enterprise Linux (RHEL) 8 and RHEL 7, from the 7.6 release onward.
The packages for RHEL 7, RHEL 8, and RHEL 9 are in each distribution’s respective Extra Packages for Enterprise Linux (EPEL) repository. The instructions for adding this repository diverge slightly between RHEL 7, RHEL 8 and RHEL 9, which is why they’re listed separately below.
The EPEL repository can be added to RHEL 9 with the following command:
sudo dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm
sudo dnf upgrade
The EPEL repository can be added to RHEL 8 with the following command:
sudo dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm
sudo dnf upgrade
The EPEL repository can be added to RHEL 7 with the following command:
sudo rpm -ivh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
Adding the optional and extras repositories is also recommended:
sudo subscription-manager repos --enable "rhel-*-optional-rpms" --enable "rhel-*-extras-rpms"
sudo yum update
Snap can now be installed as follows:
sudo yum install snapd
Once installed, the systemd unit that manages the main snap communication socket needs to be enabled:
sudo systemctl enable --now snapd.socket
To enable classic snap support, enter the following to create a symbolic link between /var/lib/snapd/snap and /snap:
sudo ln -s /var/lib/snapd/snap /snap
Either log out and back in again or restart your system to ensure snap’s paths are updated correctly.
To install MicroCloud, simply use the following command:
sudo snap install microcloud
Browse and find snaps from the convenience of your desktop using the snap store snap.
Interested to find out more about snaps? Want to publish your own application? Visit snapcraft.io now.