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# Jailmaker # Jailmaker
Persistent Linux 'jails' on TrueNAS SCALE to install software (docker-compose, portainer, podman, etc.) with full access to all files via bind mounts. Without modifying the host OS at all thanks to systemd-nspawn! Persistent Linux 'jails' on TrueNAS SCALE to install software (docker-compose, portainer, podman, etc.) with full access to all files via bind mounts.
## Disclaimer ## Disclaimer
**USING THIS SCRIPT IS AT YOUR OWN RISK! IT COMES WITHOUT WARRANTY AND IS NOT SUPPORTED BY IXSYSTEMS.** **USING THIS SCRIPT IS AT YOUR OWN RISK! IT COMES WITHOUT WARRANTY AND IS NOT SUPPORTED BY IXSYSTEMS.**
Update: 15-6-2023. Looks like the `systemd-container` package has been removed since 22.12.3...
The systemd-container package may be removed from a future release of TrueNAS SCALE without warning ([unless it gets integrated](https://ixsystems.atlassian.net/browse/NAS-119787)). If that happens, you may be unable to start jails create with `jlmkr.py`. The jail itself and the files within it will not be lost, but in order to start your jail you'd have to reinstall systemd-container, roll back to the previous release or migrate to LXC [if iXsystems includes that](https://ixsystems.atlassian.net/browse/NAS-114193?focusedCommentId=175214). Since systemd-container comes by default with Debian on which SCALE is built, I don't think it will be removed. But there's no guarantee! The systemd-container package may be removed from a future release of TrueNAS SCALE without warning ([unless it gets integrated](https://ixsystems.atlassian.net/browse/NAS-119787)). If that happens, you may be unable to start jails create with `jlmkr.py`. The jail itself and the files within it will not be lost, but in order to start your jail you'd have to reinstall systemd-container, roll back to the previous release or migrate to LXC [if iXsystems includes that](https://ixsystems.atlassian.net/browse/NAS-114193?focusedCommentId=175214). Since systemd-container comes by default with Debian on which SCALE is built, I don't think it will be removed. But there's no guarantee!
**THIS SCRIPT NEEDS MORE COMMUNITY TESTING BEFORE ITS FIRST 1.0.0 RELEASE.** **THIS SCRIPT NEEDS MORE COMMUNITY TESTING BEFORE ITS FIRST 1.0.0 RELEASE.**
@ -138,4 +140,4 @@ The rootfs image `jlmkr.py` downloads comes from the [Linux Containers Image ser
- [machinectl](https://manpages.debian.org/bullseye/systemd-container/machinectl.1.en.html) - [machinectl](https://manpages.debian.org/bullseye/systemd-container/machinectl.1.en.html)
- [systemd-run](https://manpages.debian.org/bullseye/systemd/systemd-run.1.en.html) - [systemd-run](https://manpages.debian.org/bullseye/systemd/systemd-run.1.en.html)
- [Run docker in systemd-nspawn](https://wiki.archlinux.org/title/systemd-nspawn#Run_docker_in_systemd-nspawn) - [Run docker in systemd-nspawn](https://wiki.archlinux.org/title/systemd-nspawn#Run_docker_in_systemd-nspawn)
- [The original Jailmaker gist](https://gist.github.com/Jip-Hop/4704ba4aa87c99f342b2846ed7885a5d) - [The original Jailmaker gist](https://gist.github.com/Jip-Hop/4704ba4aa87c99f342b2846ed7885a5d)