ts3serverARM

I managed to run some x86 applications like the Teamspeak (32 bit) server on my rpi 3B+ using a virtualized chroot environment (under the 64-bit version of Ubuntu Server for Rpi).

Tested on

• Raspberry Pi 3B+
• Raspberry Pi 3A+ (thanks to https://github.com/capsload2 !)

Requirements

• Be sure to use the 4.0.0 (or later) version of qemu, qemu-user and qemu-user-static

if the 4.0.0 version isn't available, on Raspbian you can use debian's sid repository && for ubuntu use eoan or newer repos [you can change the repos by editing your /etc/apt/sources.list file; anyway google is your best friend ]

• debootstrap
• binfmt-support
• binutils

Creation of the x86 enviroment

• Use debootstrap to download the base system in a folder called "./chroot-stretch" (folder's name is up to you - in this case we'll be downloading debian stretch, you can use others aswell): sudo debootstrap --arch i386 stretch ./chroot-stretch http://ftp.us.debian.org/debian

• Copy the qemu i386 static emulator to the x86 environment's bin directory: sudo cp /usr/bin/qemu-i386-static ./chroot-stretch/usr/bin/

• Mount the following directories to the x86 environment (REMEMBER that you need to do this on EVERY system restart):

sudo mount -t sysfs sys ./chroot-stretch/sys/
sudo mount -t proc proc ./chroot-stretch/proc/
sudo mount --bind /dev ./chroot-stretch/dev/
sudo mount --bind /dev/pts ./chroot-stretch/dev/pts/
sudo mount --bind /dev/shm ./chroot-stretch/dev/shm/

Entering in the x86 environment

You can use chroot to enter in the environment: sudo chroot ./chroot-stretch/ then cd ~ to return in the default root's directory.

Creation of the ts3 server

Be aware that this a completely detached environment from the host raspberry's system, so for example, if you need to use a certain program that you have installed on the host system, you need to reinstall it using apt (or whatever its installation method is) in the newly created environment.

• FROM NOW WE ARE INSIDE THE x86 ENVIRONMENT, the commands might take A LOT to run because we are using an emulator inside the raspberry which its specs aren't the best in the world -

!) if apt asks you to install a package without verification type YES.

• Install ca-certificates package (very long): apt install ca-certificates
• Install bzip2 package for the tar program (short): apt install bzip2
• Download the teamspeak3 (32bit version) server using wget (short - depends by your net speed): wget https://files.teamspeak-services.com/releases/server/3.11.0/teamspeak3-server_linux_x86-3.11.0.tar.bz2 (you can find the latest 32-bit version here)
• Untar the downloaded archive: tar -xvf teamspeak3-server_linux_x86-3.11.0.tar.bz2
• cd teamspeak3-server_linux_x86
• accept teamspeak's license by using the file method: touch .ts3server_license_accepted (the touch command creates a file named .ts3server_license_accepted)

First run of the server

• run ./ts3server_minimal_runscript.sh (every start of the ts3 server (on the rpi) will take A LOT because it will need to compute a puzzle, so have patience)
• Copy the created token and enter it when connecting to the server with the ts3client
• yay, Connected!

[well if you have problems open an issue xdd]

Running the server in background

from the base system use screen: apt install screen

sudo screen -dm sudo chroot ./chroot-stretch/ /root/teamspeak3-server_linux_x86/ts3server_minimal_runscript.sh

to kill a screen instance, this is its documentation.

Running the server automatically on boot

To accomplish this I created a systemd service in the following way:

Create a new service file: sudo nano /etc/systemd/system/teamspeak3.service.

Copy the following text in it:

[Unit]
Description=Teamspeak Qemu Server
After=syslog.target network.target

[Service]
Type=simple
User=root
Group=root
WorkingDirectory=/home/gabboxl/chroot-stretch/
ExecStartPre=-sudo mount -t sysfs sys ./sys/ ; -sudo mount -t proc proc ./proc/ ; -sudo mount --bind /dev ./dev/ ; -sudo mount --bind /dev/pts ./dev/pts/ ; -sudo mount --bind /dev/shm ./dev/shm/
ExecStart=chroot . /root/teamspeak3-server_linux_x86/ts3server_minimal_runscript.sh
ExecStop=chroot . /root/teamspeak3-server_linux_x86/ts3server_startscript.sh stop
ExecReload=chroot . /root/teamspeak3-server_linux_x86/ts3server_startscript.sh restart

[Install]
WantedBy=multi-user.target

Then modify WorkingDirectory's value so that it points to the folder where the chroot environment is located.

Run sudo systemctl enable teamspeak3 to enable the service, and sudo systemctl start teamspeak3 to start the server.

You're done!

Final considerations & known issues

• When someone connects to the server, most probably it will spam Unsupported ancillary data: 0/8 or similar text in the console. I didn't encounter any problem with server functionalities but at the time I didn't find a fix for that. [https://bugs.launchpad.net/qemu/+bug/1619896]
• When trying to stop the server, you may encounter a segmentation fault error.

TODO

• add images

Credits

Created by Gabboxl

If this guide helped you in any way I ask you to star this project! If you have encountered a problem open a new issue here on Github and I'll try to help you; do not hesitate!