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Fixing ZFS DKMS Build Failures on Debian 12 VPS with Limited RAM

ByPieter Bakker

If you’re running ZFS on a small VPS and have encountered compilation failures during system updates, you’re not alone. This tutorial covers a common issue that affects many system administrators managing ZFS on memory-constrained virtual private servers. The Problem During a routine system update on a Hetzner Cloud CAX11 VPS (2 vCPU, 4GB RAM) running…

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Fixing LXD Image Repository Issues After Canonical’s Migration

ByPieter Bakker

If you’re a system administrator still managing LXD servers alongside newer Incus deployments, you may have recently encountered a frustrating error when trying to create new containers. This post will help you resolve the image repository access issue that emerged following Canonical’s reorganization of LXD resources. The Problem When attempting to launch a new container…

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How to Backup LXD Containers to a Remote Host with Rsync.

ByPieter Bakker

In this tutorial, you will learn how to use Rsync to backup your LXD containers running on a ZFS storage pool to a remote host. Backing up your containers is an essential step in protecting your data and ensuring business continuity in case of any disaster. With Rsync, you can easily transfer the snapshot of…

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Copy files and directories between host and a LXD container?

ByPieter Bakker

In this tutorial, we will show you how to use the “push” and “pull” command to easily copy files and directories between a host server and a LXC container and visa versa. In this example, on the host server, we will first create a file “myfile.txt” in the “tmp” directory. # touch /tmp/myfile.txt Now copy…

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How to convert a LXC container to a LXD container.

ByPieter Bakker

Until recently, we were still running a number of legacy LXC containers, which for years performed important mission-critical tasks very stably and with no significant problems. However, we decided to convert them to LXD containers to create a more homogeneous server environment and to simplify management. Switching to LXD also means more functionality and the…