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nspawn

A collection of 11 posts

Migrating BTRFS Subvolumes locally

Migrating BTRFS Subvolumes locally

This post will focus on moving a BTRFS file system from loopback file to a mounted BTRFS subvolume on a local file system. The Scenario A server has BTRFS as it's root file system and is being used with systemd-nspawn. While this server has been online for several

Migrating a BTRFS Volume Between Devices

Migrating a BTRFS Volume Between Devices

When using BTRFS volumes it's sometimes necessary to move things around. BTRFS has some great tools to assist operators to move volumes and this post will cover one available method. What is this post about While the reasons to move a device from one place to another are

Mounting a BTRFS Subvolume

Mounting a BTRFS Subvolume

Porque Podemos Let's say there's a BTRFS filesystem happily running things in one location and it becomes desirable to use the same BTRFS filesystem in a different location. Traditionally would require the administrator to create a new partition or logical volume, format it, and mount it

OpenStack-Ansible machinectl image management

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OpenStack-Ansible machinectl image management

With recent changes in OpenStack-Ansible we're now able to import and export container images for using the built-in systemd tooling via machinectl. This gives us the ability to rapidly provision or replace containers as needed from a pre-seeded source. In this post, I'll cover how an

OpenStack-Ansible Machinectl Storage setup

OpenStack-Ansible Machinectl Storage setup

When using the machinctl container storage backend you've got choices on how to setup your host machines. This article will cover the three very common deployment situations. 1. Simply let systemd back the /var/lib/machines directory using a loop device file which has been formatted BTRFS; this

Growing BTRFS in a Logical Volume

Growing BTRFS in a Logical Volume

As you may know, I run quite a few nspawn containers which are responsible for running my entire home network, entertainment system, home automation, and a few other applications here & there. What you may not be aware of is the fact that I'm running everything on top

PXE from an nspawn container

PXE from an nspawn container

This post will cover the provisioning of a nspawn container and the installation of a tftp-hpa serving pxelinux.0. While this sounds simple enough, and there are millions of other posts just like this one, I will be covering how I set everything up in nspawn using my Edge Router

Networkd for nspawn with OpenStack-Ansible

Networkd for nspawn with OpenStack-Ansible

Within this post, I will cover the systemd-networkd aspect of the PR to create a systemd-nspawn driver within OSA. This post will be working with systemd-networkd and systemd-resolved to integrate nspawn containers within the existing topology of a typical OpenStack-Ansible deployment. Getting systemd-networkd working for you One of the container

Nspawn OpenStack with OpenStack-Ansible

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Nspawn OpenStack with OpenStack-Ansible

The OpenStack-Ansible project has been around for a few years now but if you're unfamiliar with it, the TL;DR is it's an OpenStack deployment project running OpenStack services within containers and uses Ansible. The original project came from the Rackspace Private Cloud, and when it

Running the UniFi controller in an nspawn container

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Running the UniFi controller in an nspawn container

The UniFi controller is an essential part of the Ubiquiti Networks UniFi platform. Getting this controller installed allows you access to metrics, analytics, and features you'd not have otherwise. I've been on a Ubiquiti Networks tear recently and have been replacing my home gear with theirs

Rocket past the white whale and spawn a container

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Rocket past the white whale and spawn a container

As I'm sure you're aware, Docker is all folks in the IT world can talk about and while Moby(Docker) may be everyone's obsession, there are quite a few of us looking to break away from the oppressive registries and wannabe bash scripts found

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