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120 lines
4.5 KiB
ReStructuredText
.. syncthing_ark_os
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.. for symbols like left/right arrow
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.. include:: <isonum.txt>
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Setup Syncthing on arkos
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========================
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.. post:: 09, July 2023
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:tags: emulation, infrastructure, guide
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:category: Hobbies
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:author: len0rd
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`Syncthing <https://syncthing.net/>`_ is a handy tool for syncronizing files between multiple machines. I currently use 2 devices for playing retro games: a Steam Deck and a `Anbernic RG353m <https://anbernic.com/products/rg353m>`_ running `arkos <https://github.com/christianhaitian/arkos>`_ My goal here is to syncronize save states and games between the devices. Here's my goal for a final setup:
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.. image:: ../assets/diagrams/syncthing_setup.drawio.svg
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For now, this writeup only covers RetroArch savestate syncing. There are also plenty of guides and advice online for setting up syncthing on the Steam Deck or a NAS, so the focus here will be ArkOS.
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In general, I've found the best way to setup this kind of sync system is to configure the sync folder on ArkOS, then on a NAS and finally on the Steam Deck
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Installing Syncthing on ArkOS
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-----------------------------
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#. Configure Retroarch save location
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- By default (at least on my ArkOS version), retroarch will place saves/savestate files in the roms folder of the system they belong to. This can work, but I prefer having all these files in a single location. Using single folders simplifies the syncthing configuration a little, and makes sense for how I store ROMs vs saves on my NAS. To adjust these settings, head to: Retroarch |rarr| Settings |rarr| Saving |rarr| Disable any "Sort save..." options
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#. Identify retroarch savestate location. For my install they were here
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- ``/home/ark/.config/retroarch/saves/``
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- ``/home/ark/.config/retroarch/states/``
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#. Install Syncthing
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- "Enable Remote Services" in ArkOS by navigating to: Options |rarr| "Enable Remote Services". The window that appears during this will briefly show your local ip address if you dont already know it
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- ssh into ark os
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i. ``ssh ark@<local_ip_addr>``
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ii. Password (default): ``ark``
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- Install Syncthing
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a. Since ArkOS is ubuntu based, you can follow `Syncthings guide <https://apt.syncthing.net/>`_
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b. Here's what I did
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.. code-block:: bash
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sudo curl -o /usr/share/keyrings/syncthing-archive-keyring.gpg https://syncthing.net/release-key.gpg
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echo "deb [signed-by=/usr/share/keyrings/syncthing-archive-keyring.gpg] https://apt.syncthing.net/ syncthing stable" | sudo tee /etc/apt/sources.list.d/syncthing.list
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sudo apt update
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sudo apt install syncthing
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Syncthing configuration
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-----------------------
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#. Make syncthing gui accessible
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- To make configuration easy, I suggest making the Syncthing GUI accessible from a local machine other than the 353M. To do this edit syncthings config while ssh'ed into arkos
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- Open ``~/.config/syncthing/config.xml``
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- Update gui/address. ``<address>127.0.0.1:8384</address>`` -> ``<address>LOCAL_IP_ADDRESS:8384</address>`` then save.
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- Now startup syncthing from your ssh session with ``$ syncthing``
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- On your host machine, you should now be able to access the syncthing web UI at ``<ARKOS_LOCAL_IP_ADDR>:8384``
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#. From the syncthing gui
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- Remove the default folder sync and create a new one
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a. name: whatever you want
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b. folder path: ``/home/ark/.config/retroarch``
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c. In ``Ignore Patterns`` check the enable box
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d. everything else on default. Hit save
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e. Now enter the Ignore Patterns
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.. code-block::
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// DO NOT IGNORE
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!/states
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!/saves
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// IGNORE (everything else)
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*
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#. Now you can add a remote device. in this case i have a NAS that acts as the primary remote device. all other devices sync to it
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.. note::
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As you share across devices make SURE you add the ignore pattern everywhere!
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Syncthing auto start
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--------------------
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See `syncthings guide here <https://docs.syncthing.net/users/autostart.html?highlight=windows#using-systemd>`_
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#. ``systemctl --user enable syncthing.service``
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#. ``systemctl --user start syncthing.service``
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Resource optimization
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---------------------
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Syncthing has `a nice page <https://docs.syncthing.net/users/tuning.html#tuning-for-low-resources>`_ detailing what configuration changes you can make to minimize resource utilization
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#. These changes will be made in ``~/.config/syncthing/config.xml``
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#. For example one thing you can do is disable the web gui with: ``<gui enabled="false" tls="false" debugging="false">``
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