wording, tags and typos in last article
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title: Running a Factorio server in a linux jail, on FreeBSD
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description: How to setup a linux jail on FreeBSD using vanilla tools
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date: 2022-11-13
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tags:
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- Factorio
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- FreeBSD
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- jail
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---
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## Introduction
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@ -14,7 +18,7 @@ I had been meaning to test linux jails for quite some time but never had a good
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### Linux subsystem
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Normally FreeBSD 13 has all you need from the get go, we just need to load a few kernel modules and prepare some mount points. All this as abstracted away with:
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Normally FreeBSD 13 has all you need from the get go, we just need to load a few kernel modules and prepare some mount points. All this is abstracted away with:
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```sh
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service linux enable
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service linux start
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service netif cloneup
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```
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Many jail tutorials will tell you to configure the jail ips in `/etc/rc.conf` too, this is not what I do. It is difficult to automate and I find that having those ips in the jails.conf file is a lot more useful, see bellow.
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Many jail tutorials will tell you to configure the jail ips in `/etc/rc.conf` too, this is not what I do. It is difficult to automate and I find that having those ips in the jails.conf file is a lot more flexible.
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### pf firewall
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@ -63,7 +67,7 @@ pass in on wg0 from <private> to <private>
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pass out on wg0 from <private> to <private>
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```
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The important lines are the one about the persistent `jails` table and the first two basic rules to `nat` and process the `rdr-anchor`.
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The important lines are the one about the persistent `jails` table and the first two basic rules to `nat` egress jail traffic and process the `rdr-anchor` that will allow the ingress traffic.
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## Bootstrapping the jail
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@ -100,10 +104,10 @@ pwd_mkdb -p -d /jails/factorio/etc /jails/factorio/etc/master.passwd
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## Installing factorio
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You will need to login to [factorio](https://www.factorio.com/) and download the headless serveur tar.gz. Scp it to the server and decompress it into `/jails/factorio/home/factorio`
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The following downloads the factorio headless server and decompress it into `/jails/factorio/home/factorio`
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```sh
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wget https://dl.factorio.com/releases/factorio_headless_x64_1.1.70.tar.xz?secure=NmmeJ2O-iFtRuVc6c3aPzw,1668383018
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(cd /jails/factorio/home/factorio/; tar xf /root/factorio_headless_x64_1.1.70.tar.xz*)
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wget https://dl.factorio.com/releases/factorio_headless_x64_1.1.70.tar.xz
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(cd /jails/factorio/home/factorio/; tar xf /root/factorio_headless_x64_1.1.70.tar.xz)
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mkdir /jails/factorio/home/factorio/factorio/saves/
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```
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@ -149,15 +153,16 @@ factorio {
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Make sure you substitute `mysave.zip` with the name of your save file!
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As you can see, I use the `prestart` and `poststop` steps to handle the network configuration using `ifconfig`, the jails' pf table and the rdr port forwarding. These are all setup when starting the jail and cleaned when stopping.
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## Final step
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Now if all went according to plan, the following should be enough to start your factorio server in the jail:
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```sh
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service jail enable
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service jail start factorio
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```
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Check that factorio is running using `top -j factorio`. If something goes wrong, you should be able to check `/jails/factorio/home/factorio/factorio/factorio-current.log` for clues.
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Check that factorio is running using `top -j factorio`. If something goes wrong, you should be able to check `/jails/factorio/home/factorio/factorio/factorio-current.log` for clues. If this file was not created check the permissions on the facorio folders.
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If everything is running, you should be able to connect your dedicated server using the hostname of your server!
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If everything is running, you should be able to connect to your dedicated server using the hostname of your server!
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