Easy way to run docker in an unprivileged LXC on ZFS I recently migrated my containers to a new proxmox installation with ZFS instead of LVM as the backbone, where I encountered the issue starting docker in containers with ZFS. I had previously been able to get docker running in unprivileged LXC containers on LVM by turning on nesting and keyctl.
13.05.2021 · Create a new LXC Container In Proxmox VE create a unprivileged LXC container with fuse=1,keyctl=1,mknod=1,nesting=1 (I’m not sure if all are needed). In this case I use a Ubuntu 18.04 container. Installation of fuse-overlayfs fuse-overlayfs is a similar to overlayfs runs in userspace and can be used without root permissions1.
Use docker save to save containers, and push existing images to Docker Hub or a private repository, so that you do not need to re-create them later. Note. There is no need to use MountFlags=slave with Docker Engine 18.09 or later because dockerd and containerd are in different mount namespaces. Configure Docker with the zfs storage driver. Stop ...
Yes, Docker in LXC is not officially supported. You can also read this. 3. level 1. [deleted] · 1y. Docker runs in LXC on proxmox with ZFS (2 hosts cluster running) 1. 37.
Docker in unprivileged LXC container with ZFS · Optional (Native Overlay Diff) · Create a unprivileged container · Enable keyctl and nesting · Steps to make it work ...
Docker in unprivileged LXC container with ZFS Optional (Native Overlay Diff) It's not required but if you want Native Overlay Diff to be true you need to edit /etc/modules and add overlay and aufs and then reboot. Adding it should speed up images rebuild Create a unprivileged container Set it up the usual way. Nothing special
Mar 25, 2021 · Under ZFS, the r/w performance of Docker inside LXC may be significantly reduced. Since I am using a Raid 1 storage directly mounted from the host, this issue does not apply to me. There is a promising post that describes a possible workaround.
Create an unprivileged LXC container and turn on nesting. Install docker and move or delete the contents of /var/lib/docker. Using the GUI under container resources, add a mount point with path /var/lib/docker. For me this created an 8gb .raw disk file in my ZFS pool. After this I was able to reboot the container and restart docker successfully ...
23.08.2016 · To have LXD load the aufs driver for you, you can do: lxc profile edit docker And then add the aufs module to the linux.kernel_modules line next to the overlay one. Other than that, there's very little LXD itself can do about it. We can't list out of tree drivers like aufs in a profile as that'd break on all distros that don't ship it.
29.10.2020 · If you want to use Docker with Proxmox you have 3 options: run Docker in VM, run Docker in LXC, or run Docker directly on the PVE node. Here it small tutorial for the 3rd option. Note: Everything to be run as root. Enable firewall in PVE GUI (on at …
19.06.2020 · Run Docker in Proxmox. Note: This method should not be used in a production environment. Like the LXC method, there is very little segmentation between the containers and the Proxmox host. Additionally, the docker daemon runs as the Proxmox root user which is a universally bad idea. This method is the least secure of the 3 listed here.
Jul 28, 2018 · Setup Docker on Proxmox VE Using ZFS Storage. If you install Docker CE as normal, and Proxmox VE was setup with the installation on a ZFS rpool, then the system will fail to boot if you make a container using default settings. After installing Docker, we will see that it automatically selects the ZFS storage driver: # docker info | grep Storage.
28.07.2018 · Setup Docker on Proxmox VE Using ZFS Storage If you install Docker CE as normal, and Proxmox VE was setup with the installation on a ZFS rpool, then the system will fail to boot if you make a container using default settings. After installing Docker, we will see that it automatically selects the ZFS storage driver: # docker info | grep Storage
25.03.2021 · Motivation Docker containers can be useful, even though Proxmox LXC containers offer the same set of functions.. For example, I prefer Docker over LXC, where official pre-defined docker-compose.ymls exist and are suggested in documentations.. However, there is some confusion about running Docker inside Proxmox.
The ZFS on Linux (ZoL) port is healthy and maturing. However, at this point in time it is not recommended to use the zfs Docker storage driver for production ...