Express service node setup guide

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Thinking of running an Oxen Service Node? Awesome! The guide below will help you configure a device with the necessary Service Node software packages, and stake $OXEN to register the node on the Oxen network.
Note: This guide assumes some familiarity with the command line and running a Linux server. For a more detailed walkthrough, check out our full Service Node set-up guide.
Operating system requirements
One of:
Debian 10 ("buster")
Debian unstable ("sid")
Ubuntu 18.04 ("bionic")
Ubuntu 20.04 ("focal")
Ubuntu 20.10 ("groovy")
Note: There are strict uptime requirements for Service Nodes (see Service Node deregistration). It is strongly discouraged to run a Service Node on a device that will not be continuously on-line. We recommend running your Service Node on a VPS with a reputable provider.
Firewall Configuration
If you are using a firewall then you should ensure that the following ports are open and reachable:
Port 22020 (storage server to storage server)
Port 22021 (client to storage server)
Port 22022 (blockchain syncing)
Port 22025 (Service Node to Service Node)
Port 1090 (UDP, not TCP, unlike all of the above; Lokinet router data)
Ultra-express guide
Configuring a new Oxen Service Node is as simple as running the following 4 commands on the Linux server you want to become a node (these commands will work on Debian and Ubuntu; modifications may be necessary for other Linux distributions):
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sudo curl -so /etc/apt/trusted.gpg.d/oxen.gpg https://deb.oxen.io/pub.gpg
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echo "deb https://deb.oxen.io $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/oxen.list
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sudo apt update
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sudo apt install oxen-service-node
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The services will run via systemd as oxen-node.service, oxen-storage-server.service, and lokinet-router.service.
Once the blockchain has synced to the server (which can take several hours), your Service Node will be ready to be staked. You can use the oxend status command to check the sync progress.
Alternatively, the blockchain can typically be downloaded in a fraction of the time required to sync it via the Service Node network, using the following command:
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sudo oxend-download-lmdb https://public.loki.foundation/loki/data.mdb
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Express guide
Step 1: Initial repository set-up
To add the Oxen repository, run the following commands.
Note: You only need to follow this step once, to set up the repository. The repository will subsequently be automatically updated whenever you fetch new system updates.
This first command installs the public key used to sign the Oxen Service Node packages:
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sudo curl -so /etc/apt/trusted.gpg.d/oxen.gpg https://deb.oxen.io/pub.gpg
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The second command tells apt where to find the packages. Note: Replace <DISTRO>with the appropriate value to match your operating system.
To find your <DISTRO> run the following command: lsb_release -sc
Alternatively, <DISTRO> can be found in the following list:
sid (Debian testing/unstable)
buster (Debian 10)
bionic (Ubuntu 18.04)
focal (Ubuntu 20.04)
groovy (Ubuntu 20.10)
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echo "deb https://deb.oxen.io <DISTRO> main" | sudo tee /etc/apt/sources.list.d/oxen.list
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Then resync your package repositories with:
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sudo apt update
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Step 2: Oxen Service Node configuration
To configure your Service Node, simply install the oxen-service-node package:
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sudo apt install oxen-service-node
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This will detect your public IP (or allow you to enter it yourself) and automatically update the /etc/oxen/oxen.conf configuration file with the necessary additional settings to run a Service Node.
Congratulations! Your Service Node is now ready to be registered and staked.
Staking your Service Node
Preparing your Service Node for registration
To prepare your Service Node for registration, run the following command:
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oxend prepare_registration
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This will prompt you for some registration details, then output a registration command. Copy the output from this command in preparation for the next step.
Note: You can safely run this command multiple times if you change your mind about some of the registration questions before you submit the registration.
Staking and registering your Service Node
To stake and register your Service Node, open the Oxen GUI wallet. Make sure your wallet has a balance of at least 15,000 $OXEN to meet the Service Node staking requirement (less if you're configuring a shared Service Node). Navigate to the Service Nodestab > Registration section, and paste the output from the above command, then click Register Service Node.
Done! Your staking transaction will now be submitted to the network. After a short delay, your Service Node will be registered and start contributing to the network (and receiving rewards!).
Checking registration status
You can easily check if your Service Node is registered on the network. First, connect to the VPS where the Service Node is running and run the following command to retrieve your Service Node's public key:
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oxend status
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This will output a bunch of information about your Service Node, but there's one part we're interested in at this stage: The long string of random letters and numbers after the characters SN: . This string is your Service Node's public key, used to identify your Service Node on the list of registered and operational Service Nodes. Select and copy the public key (do not copy any of the surrounding information).
You can now jump onto oxen.observer, open the full list of active Service Nodes, and use Cmd+F/Ctrl+F to check if your Service Node's public key appears in the list.
Monitoring
We highly recommend setting up monitoring for your Service Node. This is as simple as calling on the services of our Telegram or Discord bot. Contact @LokiSNBot on Telegram or OxenSNBot#5812 on Discord and type /start or $help respectively to get started.
Another helpful tool is Konstantin Ullrich's Oxen Service Node Operator app for Android.
Upgrading
When a new release is available, upgrading is as simple as syncing your repositories:
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sudo apt update
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Then installing any updates using:
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sudo apt upgrade
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Note that this will install both updated Oxen packages and any available system updates (this is generally a good thing!)
During the upgrade, the running instance of oxend will be restarted to ensure that the updated oxend is now active.
If, for some reason, you want to install only updated Oxen package upgrades, but not other system packages, then instead of sudo apt upgrade you can use:
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sudo apt install oxen-storage-server oxend lokinet-router
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Back-ups
Backing up your Service Node's secret key. Will allow you to easily recover or migrate your Service Node
Reveal SN secret key:
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oxen-sn-keys show /var/lib/oxen/key_ed25519
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Restore from SN secret key:
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oxen-sn-keys restore /var/lib/oxen/key_ed25519
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Having trouble? Just head to our Support section.
Using the Oxen Blockchain - Previous
Service Node guides
Full service node setup guide
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Contents
Operating system requirements
Firewall Configuration
Ultra-express guide
Express guide
Staking your Service Node
Back-ups