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The LinuxServer.io team brings you another container release featuring :-

  • regular and timely application updates
  • easy user mappings (PGID, PUID)
  • custom base image with s6 overlay
  • weekly base OS updates with common layers across the entire LinuxServer.io ecosystem to minimise space usage, down time and bandwidth
  • regular security updates

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linuxserver/netbootxyz

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Netbootxyz is a way to PXE boot various operating system installers or utilities from one place within the BIOS without the need of having to go retrieve the media to run the tool. iPXE is used to provide a user friendly menu from within the BIOS that lets you easily choose the operating system you want along with any specific types of versions or bootable flags.

netbootxyz

Supported Architectures

Our images support multiple architectures such as x86-64, arm64 and armhf. We utilise the docker manifest for multi-platform awareness. More information is available from docker here and our announcement here.

Simply pulling linuxserver/netbootxyz should retrieve the correct image for your arch, but you can also pull specific arch images via tags.

The architectures supported by this image are:

Architecture Tag
x86-64 amd64-latest
arm64 arm64v8-latest
armhf arm32v7-latest

Version Tags

This image provides various versions that are available via tags. latest tag usually provides the latest stable version. Others are considered under development and caution must be exercised when using them.

Tag Description
latest Web application for full self hosting
tftp TFTP server only with NETBOOT.XYZ boot files

Usage

Here are some example snippets to help you get started creating a container.

docker

docker create \
  --name=netbootxyz \
  -e PUID=1000 \
  -e PGID=1000 \
  -e MENU_VERSION=1.9.9 `#optional` \
  -p 3000:3000 \
  -p 69:69/udp \
  -p 8080:80 `#optional` \
  -v /path/to/config:/config \
  -v /path/to/assets:/assets `#optional` \
  --restart unless-stopped \
  linuxserver/netbootxyz

docker-compose

Compatible with docker-compose v2 schemas.

---
version: "2"
services:
  netbootxyz:
    image: linuxserver/netbootxyz
    container_name: netbootxyz
    environment:
      - PUID=1000
      - PGID=1000
      - MENU_VERSION=1.9.9 #optional
    volumes:
      - /path/to/config:/config
      - /path/to/assets:/assets #optional
    ports:
      - 3000:3000
      - 69:69/udp
      - 8080:80 #optional
    restart: unless-stopped

Parameters

Container images are configured using parameters passed at runtime (such as those above). These parameters are separated by a colon and indicate <external>:<internal> respectively. For example, -p 8080:80 would expose port 80 from inside the container to be accessible from the host's IP on port 8080 outside the container.

Parameter Function
-p 3000 Web configuration interface.
-p 69/udp TFTP Port.
-p 80 NGINX server for hosting assets.
-e PUID=1000 for UserID - see below for explanation
-e PGID=1000 for GroupID - see below for explanation
-e MENU_VERSION=1.9.9 Specify a specific version of boot files you want to use from NETBOOT.XYZ (unset pulls latest)
-v /config Storage for boot menu files and web application config
-v /assets Storage for NETBOOT.XYZ bootable assets (live CDs and other files)

Environment variables from files (Docker secrets)

You can set any environment variable from a file by using a special prepend FILE__.

As an example:

-e FILE__PASSWORD=/run/secrets/mysecretpassword

Will set the environment variable PASSWORD based on the contents of the /run/secrets/mysecretpassword file.

User / Group Identifiers

When using volumes (-v flags) permissions issues can arise between the host OS and the container, we avoid this issue by allowing you to specify the user PUID and group PGID.

Ensure any volume directories on the host are owned by the same user you specify and any permissions issues will vanish like magic.

In this instance PUID=1000 and PGID=1000, to find yours use id user as below:

  $ id username
    uid=1000(dockeruser) gid=1000(dockergroup) groups=1000(dockergroup)

 

Application Setup

To use this image you need an existing DHCP server where you can set this TFTP server as your DHCP boot destination. This image does not contain a DHCP server nor do we aim to support one in the future. This is simply a TFTP server hosting the latest IPXE kernel builds from netboot.xyz. If you are interested in their project and lack the ability to setup a DHCP server to boot this payload they also have USB stick images you can use available on their downloads page.

Router Setup Examples

PFSense

Services -> DHCP Server

Set both the option for "TFTP Server" and the options under the Advanced "Network Booting" section.

  • check enable
  • Next server- IP used for TFTP Server
  • Default BIOS file name- netboot.xyz.kpxe
  • UEFI 32 bit file name- netboot.xyz.efi
  • UEFI 64 bit file name- netboot.xyz.efi

OPNsense

Services -> DHCP Server

Under the Advanced "Network Booting" section.

  • check enable
  • Next server- IP of docker host
  • Default BIOS file name- netboot.xyz.kpxe
  • UEFI 32 bit file name- netboot.xyz.efi
  • UEFI 64 bit file name- netboot.xyz.efi

Unifi Security Gateway (with the controller)

Networks -> LAN (or the network you want to boot from) -> ADVANCED DHCP OPTIONS

  • tick Enable network boot
  • Server- YOURSERVERIP
  • Filename- netboot.xyz.kpxe

DD-WRT

Administration -> Services -> Additional DNSMasq Options Set the following lines:

dhcp-match=set:bios,60,PXEClient:Arch:00000
dhcp-boot=tag:bios,netboot.xyz.kpxe,,YOURSERVERIP
dhcp-match=set:efi32,60,PXEClient:Arch:00002
dhcp-boot=tag:efi32,netboot.xyz.efi,,YOURSERVERIP
dhcp-match=set:efi32-1,60,PXEClient:Arch:00006
dhcp-boot=tag:efi32-1,netboot.xyz.efi,,YOURSERVERIP
dhcp-match=set:efi64,60,PXEClient:Arch:00007
dhcp-boot=tag:efi64,netboot.xyz.efi,,YOURSERVERIP
dhcp-match=set:efi64-1,60,PXEClient:Arch:00008
dhcp-boot=tag:efi64-1,netboot.xyz.efi,,YOURSERVERIP
dhcp-match=set:efi64-2,60,PXEClient:Arch:00009
dhcp-boot=tag:efi64-2,netboot.xyz.efi,,YOURSERVERIP

Tomato

Advanced -> DHCP/DNS -> Dnsmasq Custom configuration Set the following lines:

dhcp-match=set:bios,60,PXEClient:Arch:00000
dhcp-boot=tag:bios,netboot.xyz.kpxe,,YOURSERVERIP
dhcp-match=set:efi32,60,PXEClient:Arch:00002
dhcp-boot=tag:efi32,netboot.xyz.efi,,YOURSERVERIP
dhcp-match=set:efi32-1,60,PXEClient:Arch:00006
dhcp-boot=tag:efi32-1,netboot.xyz.efi,,YOURSERVERIP
dhcp-match=set:efi64,60,PXEClient:Arch:00007
dhcp-boot=tag:efi64,netboot.xyz.efi,,YOURSERVERIP
dhcp-match=set:efi64-1,60,PXEClient:Arch:00008
dhcp-boot=tag:efi64-1,netboot.xyz.efi,,YOURSERVERIP
dhcp-match=set:efi64-2,60,PXEClient:Arch:00009
dhcp-boot=tag:efi64-2,netboot.xyz.efi,,YOURSERVERIP

OpenWRT

uci set dhcp.@dnsmasq[0].dhcp_match=set:bios,60,PXEClient:Arch:00000
uci set dhcp.@dnsmasq[0].dhcp_boot=tag:bios,netboot.xyz.kpxe,,YOURSERVERIP
uci set dhcp.@dnsmasq[0].dhcp_match=set:efi32,60,PXEClient:Arch:00002
uci set dhcp.@dnsmasq[0].dhcp_boot=tag:efi32,netboot.xyz.efi,,YOURSERVERIP
uci set dhcp.@dnsmasq[0].dhcp_match=set:efi32-1,60,PXEClient:Arch:00006
uci set dhcp.@dnsmasq[0].dhcp_boot=tag:efi32-1,netboot.xyz.efi,,YOURSERVERIP
uci set dhcp.@dnsmasq[0].dhcp_match=set:efi64,60,PXEClient:Arch:00007
uci set dhcp.@dnsmasq[0].dhcp_boot=tag:efi64,netboot.xyz.efi,,YOURSERVERIP
uci set dhcp.@dnsmasq[0].dhcp_match=set:efi64-1,60,PXEClient:Arch:00008
uci set dhcp.@dnsmasq[0].dhcp_boot=tag:efi64-1,netboot.xyz.efi,,YOURSERVERIP
uci set dhcp.@dnsmasq[0].dhcp_match=set:efi64-2,60,PXEClient:Arch:00009
uci set dhcp.@dnsmasq[0].dhcp_boot=tag:efi64-2,netboot.xyz.efi,,YOURSERVERIP
uci commit
/etc/init.d/dnsmasq restart

Anything else from a router standpoint is a crapshoot for supporting Dnsmasq options or proprietary PXE boot options, check Google for support (try your exact router model number with 'pxe boot') or look into setting up your own DHCP server in Linux.

This image also contains netboot.xyz.efi which can be used to boot using UEFI network boot. The UEFI boot and menu will have limited functionality if you choose to use it.

Support Info

  • Shell access whilst the container is running: docker exec -it netbootxyz /bin/bash
  • To monitor the logs of the container in realtime: docker logs -f netbootxyz
  • container version number
    • docker inspect -f '{{ index .Config.Labels "build_version" }}' netbootxyz
  • image version number
    • docker inspect -f '{{ index .Config.Labels "build_version" }}' linuxserver/netbootxyz

Updating Info

Most of our images are static, versioned, and require an image update and container recreation to update the app inside. With some exceptions (ie. nextcloud, plex), we do not recommend or support updating apps inside the container. Please consult the Application Setup section above to see if it is recommended for the image.

Below are the instructions for updating containers:

Via Docker Run/Create

  • Update the image: docker pull linuxserver/netbootxyz
  • Stop the running container: docker stop netbootxyz
  • Delete the container: docker rm netbootxyz
  • Recreate a new container with the same docker create parameters as instructed above (if mapped correctly to a host folder, your /config folder and settings will be preserved)
  • Start the new container: docker start netbootxyz
  • You can also remove the old dangling images: docker image prune

Via Docker Compose

  • Update all images: docker-compose pull
    • or update a single image: docker-compose pull netbootxyz
  • Let compose update all containers as necessary: docker-compose up -d
    • or update a single container: docker-compose up -d netbootxyz
  • You can also remove the old dangling images: docker image prune

Via Watchtower auto-updater (especially useful if you don't remember the original parameters)

  • Pull the latest image at its tag and replace it with the same env variables in one run: 
    docker run --rm \
-v /var/run/docker.sock:/var/run/docker.sock \
containrrr/watchtower \
--run-once netbootxyz

Note: We do not endorse the use of Watchtower as a solution to automated updates of existing Docker containers. In fact we generally discourage automated updates. However, this is a useful tool for one-time manual updates of containers where you have forgotten the original parameters. In the long term, we highly recommend using Docker Compose.

  • You can also remove the old dangling images: docker image prune

Building locally

If you want to make local modifications to these images for development purposes or just to customize the logic:

git clone https://github.com/linuxserver/docker-netbootxyz.git
cd docker-netbootxyz
docker build \
  --no-cache \
  --pull \
  -t linuxserver/netbootxyz:latest .

The ARM variants can be built on x86_64 hardware using multiarch/qemu-user-static

docker run --rm --privileged multiarch/qemu-user-static:register --reset

Once registered you can define the dockerfile to use with -f Dockerfile.aarch64.

Versions

  • 19.12.19: - Rebasing to alpine 3.11.
  • 13.12.19: - Swapping latest tag over to webapp stack for management.
  • 10.12.19: - Adding tftp branch to provide tftp only option to latest users.
  • 22.10.19: - Initial release.

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