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.. _using-main:
******************************
Using Reticulum on Your System
******************************
Reticulum is not installed as a driver or kernel module, as one might expect
of a networking stack. Instead, Reticulum is distributed as a Python module,
containing the networking core, and a set of utility and daemon programs.
This means that no special privileges are required to install or use it. It
is also very light-weight, and easy to transfer to, and install on new systems.
When you have Reticulum installed, any program or application that uses Reticulum
will automatically load and initialise Reticulum when it starts, if it is not
already running.
In many cases, this approach is sufficient. When any program needs to use
Reticulum, it is loaded, initialised, interfaces are brought up, and the
program can now communicate over any Reticulum networks available. If another
program starts up and also wants access to the same Reticulum network, the already
running instance is simply shared. This works for any number of programs running
concurrently, and is very easy to use, but depending on your use case, there
are other options.
Configuration & Data
--------------------
Reticulum stores all information that it needs to function in a single file-system
directory. When Reticulum is started, it will look for a valid configuration
directory in the following places:
- ``/etc/reticulum``
- ``~/.config/reticulum``
- ``~/.reticulum``
If no existing configuration directory is found, the directory ``~/.reticulum``
is created, and the default configuration will be automatically created here.
You can move it to one of the other locations if you wish.
It is also possible to use completely arbitrary configuration directories by
specifying the relevant command-line parameters when running Reticulum-based
programs. You can also run multiple separate Reticulum instances on the same
physical system, either in isolation from each other, or connected together.
In most cases, a single physical system will only need to run one Reticulum
instance. This can either be launched at boot, as a system service, or simply
be brought up when a program needs it. In either case, any number of programs
running on the same system will automatically share the same Reticulum instance,
if the configuration allows for it, which it does by default.
The entire configuration of Reticulum is found in the ``~/.reticulum/config``
file. When Reticulum is first started on a new system, a basic, but fully functional
configuration file is created. The default configuration looks like this:
.. code:: ini
# This is the default Reticulum config file.
# You should probably edit it to include any additional,
# interfaces and settings you might need.
# Only the most basic options are included in this default
# configuration. To see a more verbose, and much longer,
# configuration example, you can run the command:
# rnsd --exampleconfig
[reticulum]
# If you enable Transport, your system will route traffic
# for other peers, pass announces and serve path requests.
# This should be done for systems that are suited to act
# as transport nodes, ie. if they are stationary and
# always-on. This directive is optional and can be removed
# for brevity.
enable_transport = No
# By default, the first program to launch the Reticulum
# Network Stack will create a shared instance, that other
# programs can communicate with. Only the shared instance
# opens all the configured interfaces directly, and other
# local programs communicate with the shared instance over
# a local socket. This is completely transparent to the
# user, and should generally be turned on. This directive
# is optional and can be removed for brevity.
share_instance = Yes
# If you want to run multiple *different* shared instances
# on the same system, you will need to specify different
# instance names for each. On platforms supporting domain
# sockets, this can be done with the instance_name option:
instance_name = default
# Some platforms don't support domain sockets, and if that
# is the case, you can isolate different instances by
# specifying a unique set of ports for each:
# shared_instance_port = 37428
# instance_control_port = 37429
# If you want to explicitly use TCP for shared instance
# communication, instead of domain sockets, this is also
# possible, by using the following option:
# shared_instance_type = tcp
# On systems where running instances may not have access
# to the same shared Reticulum configuration directory,
# it is still possible to allow full interactivity for
# running instances, by manually specifying a shared RPC
# key. In almost all cases, this option is not needed, but
# it can be useful on operating systems such as Android.
# The key must be specified as bytes in hexadecimal.
# rpc_key = e5c032d3ec4e64a6aca9927ba8ab73336780f6d71790
# It is possible to allow remote management of Reticulum
# systems using the various built-in utilities, such as
# rnstatus and rnpath. You will need to specify one or
# more Reticulum Identity hashes for authenticating the
# queries from client programs. For this purpose, you can
# use existing identity files, or generate new ones with
# the rnid utility.
# enable_remote_management = yes
# remote_management_allowed = 9fb6d773498fb3feda407ed8ef2c3229, 2d882c5586e548d79b5af27bca1776dc
# You can configure Reticulum to panic and forcibly close
# if an unrecoverable interface error occurs, such as the
# hardware device for an interface disappearing. This is
# an optional directive, and can be left out for brevity.
# This behaviour is disabled by default.
# panic_on_interface_error = No
# When Transport is enabled, it is possible to allow the
# Transport Instance to respond to probe requests from
# the rnprobe utility. This can be a useful tool to test
# connectivity. When this option is enabled, the probe
# destination will be generated from the Identity of the
# Transport Instance, and printed to the log at startup.
# Optional, and disabled by default.
# respond_to_probes = No
[logging]
# Valid log levels are 0 through 7:
# 0: Log only critical information
# 1: Log errors and lower log levels
# 2: Log warnings and lower log levels
# 3: Log notices and lower log levels
# 4: Log info and lower (this is the default)
# 5: Verbose logging
# 6: Debug logging
# 7: Extreme logging
loglevel = 4
# The interfaces section defines the physical and virtual
# interfaces Reticulum will use to communicate on. This
# section will contain examples for a variety of interface
# types. You can modify these or use them as a basis for
# your own config, or simply remove the unused ones.
[interfaces]
# This interface enables communication with other
# link-local Reticulum nodes over UDP. It does not
# need any functional IP infrastructure like routers
# or DHCP servers, but will require that at least link-
# local IPv6 is enabled in your operating system, which
# should be enabled by default in almost any OS. See
# the Reticulum Manual for more configuration options.
[[Default Interface]]
type = AutoInterface
interface_enabled = True
If Reticulum infrastructure already exists locally, you probably don't need to
change anything, and you may already be connected to a wider network. If not,
you will probably need to add relevant *interfaces* to the configuration, in
order to communicate with other systems.
You can generate a much more verbose configuration example by running the command:
``rnsd --exampleconfig``
The output includes examples for most interface types supported
by Reticulum, along with additional options and configuration parameters.
It is a good idea to read the comments and explanations in the above default config.
It will teach you the basic concepts you need to understand to configure your network.
Once you have done that, take a look at the :ref:`Interfaces<interfaces-main>` chapter
of this manual.
Included Utility Programs
-------------------------
Reticulum includes a range of useful utilities, both for managing your Reticulum
networks, and for carrying out common tasks over Reticulum networks, such as
transferring files to remote systems, and executing commands and programs remotely.
If you often use Reticulum from several different programs, or simply want
Reticulum to stay available all the time, for example if you are hosting
a transport node, you might want to run Reticulum as a separate service that
other programs, applications and services can utilise.
The rnsd Utility
================
It is very easy to run Reticulum as a service. Simply run the included ``rnsd`` command.
When ``rnsd`` is running, it will keep all configured interfaces open, handle transport if
it is enabled, and allow any other programs to immediately utilise the
Reticulum network it is configured for.
You can even run multiple instances of ``rnsd`` with different configurations on
the same system.
**Usage Examples**
Run ``rnsd``:
.. code:: text
$ rnsd
[2023-08-18 17:59:56] [Notice] Started rnsd version 0.5.8
Run ``rnsd`` in service mode, ensuring all logging output is sent directly to file:
.. code:: text
$ rnsd -s
Generate a verbose and detailed configuration example, with explanations of all the
various configuration options, and interface configuration examples:
.. code:: text
$ rnsd --exampleconfig
**All Command-Line Options**
.. code:: text
usage: rnsd.py [-h] [--config CONFIG] [-v] [-q] [-s] [--exampleconfig] [--version]
Reticulum Network Stack Daemon
options:
-h, --help show this help message and exit
--config CONFIG path to alternative Reticulum config directory
-v, --verbose
-q, --quiet
-s, --service rnsd is running as a service and should log to file
-i, --interactive drop into interactive shell after initialisation
--exampleconfig print verbose configuration example to stdout and exit
--version show program's version number and exit
You can easily add ``rnsd`` as an always-on service by :ref:`configuring a service<using-systemd>`.
The rnstatus Utility
====================
Using the ``rnstatus`` utility, you can view the status of configured Reticulum
interfaces, similar to the ``ifconfig`` program.
**Usage Examples**
Run ``rnstatus``:
.. code:: text
$ rnstatus
Shared Instance[37428]
Status : Up
Serving : 1 program
Rate : 1.00 Gbps
Traffic : 83.13 KB↑
86.10 KB↓
AutoInterface[Local]
Status : Up
Mode : Full
Rate : 10.00 Mbps
Peers : 1 reachable
Traffic : 63.23 KB↑
80.17 KB↓
TCPInterface[RNS Testnet Dublin/dublin.connect.reticulum.network:4965]
Status : Up
Mode : Full
Rate : 10.00 Mbps
Traffic : 187.27 KB↑
74.17 KB↓
RNodeInterface[RNode UHF]
Status : Up
Mode : Access Point
Rate : 1.30 kbps
Access : 64-bit IFAC by <…e702c42ba8>
Traffic : 8.49 KB↑
9.23 KB↓
Reticulum Transport Instance <5245a8efe1788c6a1cd36144a270e13b> running
Filter output to only show some interfaces:
.. code:: text
$ rnstatus rnode
RNodeInterface[RNode UHF]
Status : Up
Mode : Access Point
Rate : 1.30 kbps
Access : 64-bit IFAC by <…e702c42ba8>
Traffic : 8.49 KB↑
9.23 KB↓
Reticulum Transport Instance <5245a8efe1788c6a1cd36144a270e13b> running
**All Command-Line Options**
.. code:: text
usage: rnstatus [-h] [--config CONFIG] [--version] [-a] [-A]
[-l] [-t] [-s SORT] [-r] [-j] [-R hash] [-i path]
[-w seconds] [-d] [-D] [-m] [-I seconds] [-v] [filter]
Reticulum Network Stack Status
positional arguments:
filter only display interfaces with names including filter
options:
-h, --help show this help message and exit
--config CONFIG path to alternative Reticulum config directory
--version show program's version number and exit
-a, --all show all interfaces
-A, --announce-stats show announce stats
-l, --link-stats show link stats
-t, --totals display traffic totals
-s, --sort SORT sort interfaces by [rate, traffic, rx, tx, rxs, txs,
announces, arx, atx, held]
-r, --reverse reverse sorting
-j, --json output in JSON format
-R hash transport identity hash of remote instance to get status from
-i path path to identity used for remote management
-w seconds timeout before giving up on remote queries
-d, --discovered list discovered interfaces
-D show details and config entries for discovered interfaces
-m, --monitor continuously monitor status
-I, --monitor-interval seconds
refresh interval for monitor mode (default: 1)
-v, --verbose
.. note::
When using ``-R`` to query a remote transport instance, you must also specify ``-i`` with the path to a management identity file that is authorized for remote management on the target system.
The rnid Utility
====================
With the ``rnid`` utility, you can generate, manage and view Reticulum Identities.
The program can also calculate Destination hashes, and perform encryption and
decryption of files.
Using ``rnid``, it is possible to asymmetrically encrypt files and information for
any Reticulum destination hash, and also to create and verify cryptographic signatures.
**Usage Examples**
Generate a new Identity:
.. code:: text
$ rnid -g ./new_identity
Display Identity key information:
.. code:: text
$ rnid -i ./new_identity -p
Loaded Identity <984b74a3f768bef236af4371e6f248cd> from new_id
Public Key : 0f4259fef4521ab75a3409e353fe9073eb10783b4912a6a9937c57bf44a62c1e
Private Key : Hidden
Encrypt a file for an LXMF user:
.. code:: text
$ rnid -i 8dd57a738226809646089335a6b03695 -e my_file.txt
Recalled Identity <bc7291552be7a58f361522990465165c> for destination <8dd57a738226809646089335a6b03695>
Encrypting my_file.txt
File my_file.txt encrypted for <bc7291552be7a58f361522990465165c> to my_file.txt.rfe
If the Identity for the destination is not already known, you can fetch it from the network by using the ``-R`` command-line option:
.. code:: text
$ rnid -R -i 30602def3b3506a28ed33db6f60cc6c9 -e my_file.txt
Requesting unknown Identity for <30602def3b3506a28ed33db6f60cc6c9>...
Received Identity <2b489d06eaf7c543808c76a5332a447d> for destination <30602def3b3506a28ed33db6f60cc6c9> from the network
Encrypting my_file.txt
File my_file.txt encrypted for <2b489d06eaf7c543808c76a5332a447d> to my_file.txt.rfe
Decrypt a file using the Reticulum Identity it was encrypted for:
.. code:: text
$ rnid -i ./my_identity -d my_file.txt.rfe
Loaded Identity <2225fdeecaf6e2db4556c3c2d7637294> from ./my_identity
Decrypting ./my_file.txt.rfe...
File ./my_file.txt.rfe decrypted with <2225fdeecaf6e2db4556c3c2d7637294> to ./my_file.txt
**All Command-Line Options**
.. code:: text
usage: rnid.py [-h] [--config path] [-i identity] [-g path] [-v] [-q] [-a aspects]
[-H aspects] [-e path] [-d path] [-s path] [-V path] [-r path] [-w path]
[-f] [-R] [-t seconds] [-p] [-P] [--version]
Reticulum Identity & Encryption Utility
options:
-h, --help show this help message and exit
--config path path to alternative Reticulum config directory
-i, --identity identity
hexadecimal Reticulum identity or destination hash, or path to Identity file
-g, --generate file generate a new Identity
-m, --import identity_data
import Reticulum identity in hex, base32 or base64 format
-x, --export export identity to hex, base32 or base64 format
-v, --verbose increase verbosity
-q, --quiet decrease verbosity
-a, --announce aspects
announce a destination based on this Identity
-H, --hash aspects show destination hashes for other aspects for this Identity
-e, --encrypt file encrypt file
-d, --decrypt file decrypt file
-s, --sign path sign file
-V, --validate path validate signature
-r, --read file input file path
-w, --write file output file path
-f, --force write output even if it overwrites existing files
-R, --request request unknown Identities from the network
-t seconds identity request timeout before giving up
-p, --print-identity print identity info and exit
-P, --print-private allow displaying private keys
-b, --base64 Use base64-encoded input and output
-B, --base32 Use base32-encoded input and output
--version show program's version number and exit
.. _utility-rnpath:
The rnpath Utility
====================
With the ``rnpath`` utility, you can look up and view paths for
destinations on the Reticulum network.
**Usage Examples**
Resolve path to a destination:
.. code:: text
$ rnpath c89b4da064bf66d280f0e4d8abfd9806
Path found, destination <c89b4da064bf66d280f0e4d8abfd9806> is 4 hops away via <f53a1c4278e0726bb73fcc623d6ce763> on TCPInterface[Testnet/dublin.connect.reticulum.network:4965]
**All Command-Line Options**
.. code:: text
usage: rnpath [-h] [--config CONFIG] [--version] [-t] [-m hops] [-r] [-d] [-D]
[-x] [-w seconds] [-R hash] [-i path] [-W seconds] [-b] [-B] [-U]
[--duration DURATION] [--reason REASON] [-p] [-j] [-v]
[destination] [list_filter]
Reticulum Path Management Utility
positional arguments:
destination hexadecimal hash of the destination
list_filter filter for remote blackhole list view
options:
-h, --help show this help message and exit
--config CONFIG path to alternative Reticulum config directory
--version show program's version number and exit
-t, --table show all known paths
-m, --max hops maximum hops to filter path table by
-r, --rates show announce rate info
-d, --drop remove the path to a destination
-D, --drop-announces drop all queued announces
-x, --drop-via drop all paths via specified transport instance
-w seconds timeout before giving up
-R hash transport identity hash of remote instance to manage
-i path path to identity used for remote management
-W seconds timeout before giving up on remote queries
-b, --blackholed list blackholed identities
-B, --blackhole blackhole identity
-U, --unblackhole unblackhole identity
--duration DURATION duration of blackhole enforcement in hours
--reason REASON reason for blackholing identity
-p, --blackholed-list
view published blackhole list for remote transport instance
-j, --json output in JSON format
-v, --verbose
The rnprobe Utility
====================
The ``rnprobe`` utility lets you probe a destination for connectivity, similar
to the ``ping`` program. Please note that probes will only be answered if the
specified destination is configured to send proofs for received packets. Many
destinations will not have this option enabled, so most destinations will not
be probable.
You can enable a probe-reply destination on Reticulum Transport Instances by
setting the ``respond_to_probes`` configuration directive. Reticulum will then
print the probe destination to the log on Transport Instance startup.
**Usage Examples**
Probe a destination:
.. code:: text
$ rnprobe rnstransport.probe 2d03725b327348980d570f739a3a5708
Sent 16 byte probe to <2d03725b327348980d570f739a3a5708>
Valid reply received from <2d03725b327348980d570f739a3a5708>
Round-trip time is 38.469 milliseconds over 2 hops
Send a larger probe:
.. code:: text
$ rnprobe rnstransport.probe 2d03725b327348980d570f739a3a5708 -s 256
Sent 16 byte probe to <2d03725b327348980d570f739a3a5708>
Valid reply received from <2d03725b327348980d570f739a3a5708>
Round-trip time is 38.781 milliseconds over 2 hops
If the interface that receives the probe replies supports reporting radio
parameters such as **RSSI** and **SNR**, the ``rnprobe`` utility will print
these as part of the result as well.
.. code:: text
$ rnprobe rnstransport.probe e7536ee90bd4a440e130490b87a25124
Sent 16 byte probe to <e7536ee90bd4a440e130490b87a25124>
Valid reply received from <e7536ee90bd4a440e130490b87a25124>
Round-trip time is 1.809 seconds over 1 hop [RSSI -73 dBm] [SNR 12.0 dB]
**All Command-Line Options**
.. code:: text
usage: rnprobe [-h] [--config CONFIG] [-s SIZE] [-n PROBES]
[-t seconds] [-w seconds] [--version] [-v]
[full_name] [destination_hash]
Reticulum Probe Utility
positional arguments:
full_name full destination name in dotted notation
destination_hash hexadecimal hash of the destination
options:
-h, --help show this help message and exit
--config CONFIG path to alternative Reticulum config directory
-s SIZE, --size SIZE size of probe packet payload in bytes
-n PROBES, --probes PROBES
number of probes to send
-t seconds, --timeout seconds
timeout before giving up
-w seconds, --wait seconds
time between each probe
--version show program's version number and exit
-v, --verbose
The rncp Utility
================
The ``rncp`` utility is a simple file transfer tool. Using it, you can transfer
files through Reticulum.
**Usage Examples**
Run rncp on the receiving system, specifying which identities are allowed to send files:
.. code:: text
$ rncp --listen -a 1726dbad538775b5bf9b0ea25a4079c8 -a c50cc4e4f7838b6c31f60ab9032cbc62
You can also specify allowed identity hashes (one per line) in the file ~/.rncp/allowed_identities
and simply running the program in listener mode:
.. code:: text
$ rncp --listen
From another system, copy a file to the receiving system:
.. code:: text
$ rncp ~/path/to/file.tgz 73cbd378bb0286ed11a707c13447bb1e
Or fetch a file from the remote system:
.. code:: text
$ rncp --fetch ~/path/to/file.tgz 73cbd378bb0286ed11a707c13447bb1e
The default identity file is stored in ``~/.reticulum/identities/rncp``, but you can use
another one, which will be created if it does not already exist
.. code:: text
$ rncp ~/path/to/file.tgz 73cbd378bb0286ed11a707c13447bb1e -i /path/to/identity
**All Command-Line Options**
.. code:: text
usage: rncp [-h] [--config path] [-v] [-q] [-S] [-l] [-F] [-f]
[-j path] [-b seconds] [-a allowed_hash] [-n] [-p]
[-i identity] [-w seconds] [--version] [file] [destination]
Reticulum File Transfer Utility
positional arguments:
file file to be transferred
destination hexadecimal hash of the receiver
options:
-h, --help show this help message and exit
--config path path to alternative Reticulum config directory
-v, --verbose increase verbosity
-q, --quiet decrease verbosity
-S, --silent disable transfer progress output
-l, --listen listen for incoming transfer requests
-C, --no-compress disable automatic compression
-F, --allow-fetch allow authenticated clients to fetch files
-f, --fetch fetch file from remote listener instead of sending
-j, --jail path restrict fetch requests to specified path
-s, --save path save received files in specified path
-O, --overwrite Allow overwriting received files, instead of adding postfix
-b seconds announce interval, 0 to only announce at startup
-a allowed_hash allow this identity (or add in ~/.rncp/allowed_identities)
-n, --no-auth accept requests from anyone
-p, --print-identity print identity and destination info and exit
-i identity path to identity to use
-w seconds sender timeout before giving up
-P, --phy-rates display physical layer transfer rates
--version show program's version number and exit
The rngit Utility
=================
The ``rngit`` utility provides full Git repository hosting and interaction over Reticulum. It allows you to host Git repositories on Reticulum nodes, and to interact with remote repositories using standard Git commands through the ``rns://`` URL scheme.
The system consists of two parts: The ``rngit`` node that hosts repositories, and the ``git-remote-rns`` helper that enables Git to communicate with rngit nodes. As soon as you have RNS installed on your system, you can transparently use Git with Reticulum-hosted repositories just like any other type of remote. Git over Reticulum uses URLs in the following format: ``rns://DESTINATION_HASH/group/repo``.
If you set a branch to track a Reticulum remote as the default upstream, you can simply use `git` as you normally would; all commands work transparently and as expected.
.. warning::
**The rngit program is a new addition to RNS!** This functionality was introduced in RNS 1.2.0. While great care has been taken to design a secure, but highly configurable and flexible permission system for allowing many users to interact with many different repositories on a single node, ``rngit`` has not been tested extensively in the wild! Be careful when hosting repositories, especially if they are public or semi-public.
**Usage Examples**
Run ``rngit`` to start a repository node:
.. code:: text
$ rngit
[Notice] Starting Reticulum Git Node...
[Notice] Reticulum Git Node listening on <0d7334d411d00120cbad24edf355fdd2>
On the first run, ``rngit`` will create a default configuration file. You will then need to edit this, to point to your repository locations, configure access permissions, and perform any other necessary configuration.
View your identity and destination hashes:
.. code:: text
$ rngit --print-identity
Git Peer Identity : <959e10e5efc1bd9d97a4083babe51dea>
Repository Node Identity : <153cb870b4665b8c1c348896292b0bad>
Repositories Destination : <0d7334d411d00120cbad24edf355fdd2>
You can run ``rngit`` in service mode with logging to file:
.. code:: text
$ rngit -s
Clone a repository from a remote ``rngit`` node:
.. code:: text
$ git clone rns://50824b711717f97c2fb1166ceddd5ea9/public/myrepo
Add a Reticulum remote to an existing repository:
.. code:: text
$ git remote add some_remote rns://50824b711717f97c2fb1166ceddd5ea9/public/myrepo
Push changes to the Reticulum remote:
.. code:: text
$ git push some_remote master
Get changes from a remote repository:
.. code:: text
$ git pull rns_remote master
**Repository Structure**
The ``rngit`` node organizes repositories into groups. Each group is a directory containing bare Git repositories. The repository path format is ``group_name/repo_name``. For example, a repository at ``/var/git/public/myrepo`` would be accessible as ``public/myrepo`` via the URL ``rns://DESTINATION_HASH/public/myrepo``.
**Configuration**
The ``rngit`` node configuration file is located at ``~/.rngit/config`` (or ``/etc/rngit/config`` for system-wide installations). The default configuration includes:
- Repository group paths defining where to find bare repositories
- Access permissions for groups and individual repositories
- Announce intervals for network visibility
Access permissions can be configured at the group level in the config file, or per-repository using ``.allowed`` files. Permissions use the format ``permission:target`` where permission is ``r`` (read), ``w`` (write), or ``rw`` (read/write), and target is ``all``, ``none``, or a specific identity hash.
Repository-specific ``.allowed`` files can be static text files or executable scripts that output permission rules to stdout. A ``group.allowed`` file in a repository group directory applies to all repositories within that group.
**All Command-Line Options (rngit)**
.. code:: text
usage: rngit.py [-h] [--config CONFIG] [--rnsconfig RNSCONFIG] [-s] [-i] [-v]
[-q] [--version]
Reticulum Git Repository Node
options:
-h, --help show this help message and exit
--config CONFIG path to alternative config directory
--rnsconfig RNSCONFIG
path to alternative Reticulum config directory
-p, --print-identity print identity and destination info and exit
-s, --service rngit is running as a service and should log to file
-i, --interactive drop into interactive shell after initialisation
-v, --verbose increase verbosity
-q, --quiet decrease verbosity
--version show program's version number and exit
**All Command-Line Options (git-remote-rns)**
The ``git-remote-rns`` helper is automatically invoked by Git when interacting with ``rns://`` URLs. It is not typically run directly by users, but accepts the following environment variables for configuration:
- ``RNGIT_CONFIG`` - Path to alternative client configuration directory
- ``RNS_CONFIG`` - Path to alternative Reticulum configuration directory
The client configuration file is located at ``~/.rngit/client_config`` and allows adjusting parameters such as the reference batch size for transfers.
The rnx Utility
================
The ``rnx`` utility is a basic remote command execution program. It allows you to
execute commands on remote systems over Reticulum, and to view returned command
output. For a fully interactive remote shell solution, be sure to also take a look
at the `rnsh <https://github.com/acehoss/rnsh>`_ program.
**Usage Examples**
Run rnx on the listening system, specifying which identities are allowed to execute commands:
.. code:: text
$ rnx --listen -a 941bed5e228775e5a8079fc38b1ccf3f -a 1b03013c25f1c2ca068a4f080b844a10
From another system, run a command on the remote:
.. code:: text
$ rnx 7a55144adf826958a9529a3bcf08b149 "cat /proc/cpuinfo"
Or enter the interactive mode pseudo-shell:
.. code:: text
$ rnx 7a55144adf826958a9529a3bcf08b149 -x
The default identity file is stored in ``~/.reticulum/identities/rnx``, but you can use
another one, which will be created if it does not already exist
.. code:: text
$ rnx 7a55144adf826958a9529a3bcf08b149 -i /path/to/identity -x
**All Command-Line Options**
.. code:: text
usage: rnx [-h] [--config path] [-v] [-q] [-p] [-l] [-i identity] [-x] [-b] [-n] [-N]
[-d] [-m] [-a allowed_hash] [-w seconds] [-W seconds] [--stdin STDIN]
[--stdout STDOUT] [--stderr STDERR] [--version] [destination] [command]
Reticulum Remote Execution Utility
positional arguments:
destination hexadecimal hash of the listener
command command to be execute
optional arguments:
-h, --help show this help message and exit
--config path path to alternative Reticulum config directory
-v, --verbose increase verbosity
-q, --quiet decrease verbosity
-p, --print-identity print identity and destination info and exit
-l, --listen listen for incoming commands
-i identity path to identity to use
-x, --interactive enter interactive mode
-b, --no-announce don't announce at program start
-a allowed_hash accept from this identity
-n, --noauth accept files from anyone
-N, --noid don't identify to listener
-d, --detailed show detailed result output
-m mirror exit code of remote command
-w seconds connect and request timeout before giving up
-W seconds max result download time
--stdin STDIN pass input to stdin
--stdout STDOUT max size in bytes of returned stdout
--stderr STDERR max size in bytes of returned stderr
--version show program's version number and exit
The rnsh Utility
================
The ``rnsh`` utility provides a fully interactive remote shell over Reticulum.
It allows you to establish encrypted, authenticated shell sessions on remote
systems, complete with terminal emulation, pipe support, and window resizing.
While the ``rnx`` utility is useful for simple remote command execution and
retrieving output, ``rnsh`` provides a complete interactive terminal experience,
making it ideal for remote administration and management tasks that require
real-time interaction, just like SSH does for IP networks.
``rnsh`` operates in two modes: a *listener* mode that accepts incoming
connections, and an *initiator* mode that connects to a remote listener. Both
sides authenticate using Reticulum Identities, ensuring that only authorised
peers can establish sessions.
.. note::
``rnsh`` provides a genuine interactive terminal over Reticulum. It supports
full terminal emulation including escape sequences, window resizing, signal
forwarding, and piping of standard input, output and error streams. This
makes it suitable for running text editors, terminal multiplexers, and any
other interactive programs on remote systems.
**Usage Examples**
Start ``rnsh`` in listener mode, accepting connections from specific identities:
.. code:: text
$ rnsh -l -a 941bed5e228775e5a8079fc38b1ccf3f -a 1b03013c25f1c2ca068a4f080b844a10
You can also specify allowed identity hashes (one per line) in the file
``~/.rnsh/allowed_identities`` or ``~/.config/rnsh/allowed_identities``, and
simply run the program in listener mode:
.. code:: text
$ rnsh -l
Connect to a remote listener from another system:
.. code:: text
$ rnsh 7a55144adf826958a9529a3bcf08b149
Specify a command to run on the remote system, separating ``rnsh`` options from
the remote command with ``--``:
.. code:: text
$ rnsh 7a55144adf826958a9529a3bcf08b149 -- top
Set a default command for the listener, in case the initiator does not supply
one, or when remote command execution is disabled:
.. code:: text
$ rnsh -l -- /bin/bash --login
Use the ``-m`` flag to mirror the exit code of the remote process:
.. code:: text
$ rnsh -m 7a55144adf826958a9529a3bcf08b149 -- /usr/local/bin/check-status
Use the ``-p`` flag to display the identity and destination hash for a listener:
.. code:: text
$ rnsh -l -p
Identity : <984b74a3f768bef236af4371e6f248cd>
Listening on : 7a55144adf826958a9529a3bcf08b149
Use a specific identity file rather than the default:
.. code:: text
$ rnsh -l -i /path/to/identity
Announce the listener destination on startup, and periodically:
.. code:: text
$ rnsh -l -b 900
The ``-b`` option specifies the announce period in seconds. Use ``0`` to
announce only once at startup.
**Authentication & Authorisation**
By default, ``rnsh`` requires that connecting initiators identify themselves
with a Reticulum Identity whose hash is present in the list of allowed
identities. Allowed identities can be specified on the command line with the
``-a`` option, and can be used multiple times:
.. code:: text
$ rnsh -l -a 941bed5e228775e5a8079fc38b1ccf3f -a 1b03013c25f1c2ca068a4f080b844a10
You can also maintain a list of allowed identity hashes in the file
``~/.rnsh/allowed_identities`` or ``~/.config/rnsh/allowed_identities``,
with one hex hash per line. This file is reloaded every time a new connection
is received, so changes take effect immediately without restarting ``rnsh``.
If you want to accept connections from any identity (for testing or in fully
trusted environments), you can disable authentication with the ``-n`` option:
.. code:: text
$ rnsh -l -n
.. warning::
Disabling authentication with ``-n`` means that **any** Reticulum peer that
can reach your listener will be able to execute commands on your system. Only
use this option if you *really* know what you're doing.
**Remote Command Control**
When running in listener mode, ``rnsh`` allows you to control how remote
commands are handled:
- By default, the listener accepts the command sent by the initiator. If the
initiator does not supply a command, the listener's default shell is used.
- Use ``-C`` (``--no-remote-command``) to disable execution of commands received
from the initiator. Only the listener's default command (or the command
specified after ``--``) will be executed:
.. code:: text
$ rnsh -l -C -- /usr/local/bin/safe-script
- Use ``-A`` (``--remote-command-as-args``) to append the initiator's command
to the listener's default command instead of replacing it. This can be useful
for restricting the remote to a specific program while still allowing the
initiator to pass arguments:
.. code:: text
$ rnsh -l -A -- /usr/bin/top
**Service Names**
When running in listener mode, ``rnsh`` uses a service name to differentiate
between multiple listener instances that may share the same identity. By
default, the service name is ``default``. You can specify a different service
name with the ``-s`` option:
.. code:: text
$ rnsh -l -s monitoring
This allows you to run multiple listeners on the same node, each with a
different service name and purpose.
**Initiator Options**
When connecting to a remote listener, several options are available:
- Use ``-N`` (``--no-id``) to disable sending your identity to the remote
listener. Note that the listener must have authentication disabled (``-n``)
for the connection to succeed in this case.
- Use ``-m`` (``--mirror``) to make the initiator return with the exit code of
the remote process, rather than always returning ``0``.
- Use ``-w`` (``--timeout``) to specify the connection and request timeout in
seconds. By default, the timeout matches the Reticulum path request timeout.
**Identity & Destination**
The default identity file for ``rnsh`` is stored at
``~/.reticulum/identities/rnsh``, but you can specify a different one with the
``-i`` option, which will be created if it does not already exist:
.. code:: text
$ rnsh -l -i /path/to/identity
To display the identity and destination information for a listener, use the
``-p`` option. When combined with ``-l``, both the identity and the listening
destination hash are displayed:
.. code:: text
$ rnsh -p
Identity : <984b74a3f768bef236af4371e6f248cd>
$ rnsh -l -p
Identity : <984b74a3f768bef236af4371e6f248cd>
Listening on : 7a55144adf826958a9529a3bcf08b149
**Verbosity**
Like other Reticulum utilities, ``rnsh`` supports the ``-v`` and ``-q`` flags
to increase or decrease logging verbosity. Multiple flags can be specified to
further adjust the log level. The default log level is ``INFO`` for listeners
and ``ERROR`` for initiators.
.. code:: text
$ rnsh -l -vv # Listener with debug-level output
$ rnsh -q 7a55144adf826958a9529a3bcf08b149 # Quiet initiator
By default, all log output is routed to ``~/.rnsh/logfile`` for initiators.
**Escape Sequences**
During an active ``rnsh`` session, the following escape sequences are
available. These are only recognised immediately after a newline character:
- ``~~`` - Send a literal tilde character
- ``~.`` - Terminate the session and exit immediately
- ``~L`` - Toggle line-interactive mode
- ``~?`` - Display the escape sequence quick reference
**All Command-Line Options**
.. code:: text
usage: rnsh [-h] [--config CONFIG] [--identity IDENTITY] [-v] [-q] [-p]
[--version] [-l] [-s SERVICE] [-b PERIOD] [-a HASH] [-n] [-A] [-C]
[-N] [-m] [-w SECONDS]
[destination]
Reticulum Remote Shell Utility
positional arguments:
destination hexadecimal hash of the destination to connect to
options:
-h, --help show this help message and exit
--config, -c CONFIG path to alternative Reticulum config directory
--identity, -i IDENTITY
path to identity file to use
-v, --verbose increase verbosity
-q, --quiet decrease verbosity
-p, --print-identity print identity and destination info and exit
--version show program's version number and exit
-l, --listen listen (server) mode; any command specified after --
will be used as the default command when the initiator
does not provide one or when remote command execution
is disabled; if no command is specified, the default
shell of the user running rnsh will be used
-s, --service SERVICE
service name for identity file if not the default
-b, --announce PERIOD
announce on startup and every PERIOD seconds; specify
0 to announce on startup only
-a, --allowed HASH allow this identity to connect (may be specified
multiple times); allowed identities can also be
specified in ~/.rnsh/allowed_identities or
~/.config/rnsh/allowed_identities, one hash per line
-n, --no-auth disable authentication (allow any identity to connect)
-A, --remote-command-as-args
concatenate remote command to the argument list of the
default program or shell
-C, --no-remote-command
disable executing command lines received from the
remote initiator
-N, --no-id disable identity announcement on connect
-m, --mirror return with the exit code of the remote process
-w, --timeout SECONDS
connect and request timeout in seconds
When specifying a command to execute, separate rnsh options from the command
and its arguments with --. For example:
rnsh -l -- /bin/bash --login
rnsh <destination> -- ls -la /tmp
The rnodeconf Utility
=====================
The ``rnodeconf`` utility allows you to inspect and configure existing :ref:`RNodes<rnode-main>`, and
to create and provision new :ref:`RNodes<rnode-main>` from any supported hardware devices.
**All Command-Line Options**
.. code:: text
usage: rnodeconf [-h] [-i] [-a] [-u] [-U] [--fw-version version]
[--fw-url url] [--nocheck] [-e] [-E] [-C]
[--baud-flash baud_flash] [-N] [-T] [-b] [-B] [-p] [-D i]
[--display-addr byte] [--freq Hz] [--bw Hz] [--txp dBm]
[--sf factor] [--cr rate] [--eeprom-backup] [--eeprom-dump]
[--eeprom-wipe] [-P] [--trust-key hexbytes] [--version] [-f]
[-r] [-k] [-S] [-H FIRMWARE_HASH] [--platform platform]
[--product product] [--model model] [--hwrev revision]
[port]
RNode Configuration and firmware utility. This program allows you to change
various settings and startup modes of RNode. It can also install, flash and
update the firmware on supported devices.
positional arguments:
port serial port where RNode is attached
options:
-h, --help show this help message and exit
-i, --info Show device info
-a, --autoinstall Automatic installation on various supported devices
-u, --update Update firmware to the latest version
-U, --force-update Update to specified firmware even if version matches or is older than installed version
--fw-version version Use a specific firmware version for update or autoinstall
--fw-url url Use an alternate firmware download URL
--nocheck Don't check for firmware updates online
-e, --extract Extract firmware from connected RNode for later use
-E, --use-extracted Use the extracted firmware for autoinstallation or update
-C, --clear-cache Clear locally cached firmware files
--baud-flash baud_flash
Set specific baud rate when flashing device. Default is 921600
-N, --normal Switch device to normal mode
-T, --tnc Switch device to TNC mode
-b, --bluetooth-on Turn device bluetooth on
-B, --bluetooth-off Turn device bluetooth off
-p, --bluetooth-pair Put device into bluetooth pairing mode
-D, --display i Set display intensity (0-255)
-t, --timeout s Set display timeout in seconds, 0 to disable
-R, --rotation rotation
Set display rotation, valid values are 0 through 3
--display-addr byte Set display address as hex byte (00 - FF)
--recondition-display
Start display reconditioning
--np i Set NeoPixel intensity (0-255)
--freq Hz Frequency in Hz for TNC mode
--bw Hz Bandwidth in Hz for TNC mode
--txp dBm TX power in dBm for TNC mode
--sf factor Spreading factor for TNC mode (7 - 12)
--cr rate Coding rate for TNC mode (5 - 8)
-x, --ia-enable Enable interference avoidance
-X, --ia-disable Disable interference avoidance
-c, --config Print device configuration
--eeprom-backup Backup EEPROM to file
--eeprom-dump Dump EEPROM to console
--eeprom-wipe Unlock and wipe EEPROM
-P, --public Display public part of signing key
--trust-key hexbytes Public key to trust for device verification
--version Print program version and exit
-f, --flash Flash firmware and bootstrap EEPROM
-r, --rom Bootstrap EEPROM without flashing firmware
-k, --key Generate a new signing key and exit
-S, --sign Display public part of signing key
-H, --firmware-hash FIRMWARE_HASH
Set installed firmware hash
--platform platform Platform specification for device bootstrap
--product product Product specification for device bootstrap
--model model Model code for device bootstrap
--hwrev revision Hardware revision for device bootstrap
For more information on how to create your own RNodes, please read the :ref:`Creating RNodes<rnode-creating>`
section of this manual.
.. _using-interface_discovery:
Discovering Interfaces
----------------------
Reticulum includes built-in functionality for discovering connectable interfaces over Reticulum itself. This is particularly useful in situations where you want to do one or more of the following:
* Discover connectable entrypoints available on the Internet
* Find connectable radio access points in the physical world
* Maintain connectivity to RNS instances with unknown or changing IP addresses
Discovered interfaces can be **auto-connected** by Reticulum, which makes it possible to create setups where an arbitrary interface can act simply as a bootstrap connection, that can be torn down again once more suitable interfaces have been discovered and connected.
The interface discovery mechanism uses announces sent over Reticulum itself, and supports both publicly readable interfaces and private, encrypted discovery, that can only be decoded by specified *network identities*. It is also possible to specify which network identities should be considered valid sources for discovered interfaces, so that interfaces published by unknown entities are ignored.
.. note::
A *network identity* is a normal Reticulum identity keyset that can be used by
one or more transport nodes to identify them as belonging to the same overall
network. In the context of interface discovery, this makes it easy to manage
connecting to only the particular networks you care about, even if those networks
utilize many individual physical transport node.
This also makes it convenient to auto-connect discovered interfaces only for networks you have some level of trust in.
For information on how to make your interfaces discoverable, see the :ref:`Discoverable Interfaces<interfaces-discoverable>` chapter of this manual. The current section will focus on how to actually *discover and connect to* interfaces available on the network.
In its most basic form, enabling interface discovery is as simple as setting ``discover_interfaces`` to ``true`` in your Reticulum config:
.. code:: text
[reticulum]
...
discover_interfaces = yes
...
Once this option is enabled, your RNS instance will start listening for interface discovery announces, and store them for later use or inspection. You can list discovered interfaces with the ``rnstatus`` utility:
.. code:: text
$ rnstatus -d
Name Type Status Last Heard Value Location
-------------------------------------------------------------------------
Sideband Hub Backbone ✓ Available 1h ago 16 46.2316, 6.0536
RNS Amsterdam Backbone ✓ Available 32m ago 16 52.3865, 4.9037
You can view more detailed information about discovered interfaces, including configuration snippets for pasting directly into your ``[interfaces]`` config, by using the ``rnstatus -D`` option:
.. code:: text
$ rnstatus -D sideband
Transport ID : 521c87a83afb8f29e4455e77930b973b
Name : Sideband Hub
Type : BackboneInterface
Status : Available
Transport : Enabled
Distance : 2 hops
Discovered : 9h and 40m ago
Last Heard : 1h and 15m ago
Location : 46.2316, 6.0536
Address : sideband.connect.reticulum.network:7822
Stamp Value : 16
Configuration Entry:
[[Sideband Hub]]
type = BackboneInterface
enabled = yes
remote = sideband.connect.reticulum.network
target_port = 7822
transport_identity = 521c87a83afb8f29e4455e77930b973b
In addition to providing local interface discovery information and control, the ``rnstatus`` utility can export discovered interface data in machine-readable JSON format using the ``rnstatus -d --json`` option. This can be useful for exporting the data to external applications such as status pages, access point maps and similar.
To control what sources are considered valid for discovered sources, additional
configuration options can be specified for the interface discovery system.
* The ``interface_discovery_sources`` option is a list of the network or transport identities from which interfaces will be accepted. If this option is set, all others will be ignored. If this option is not set, discovered interfaces will be accepted from any source, but are still subject to stamp value requirements.
* The ``required_discovery_value`` options specifies the minimum stamp value required for the interface announce to be considered valid. To make it computationally difficult to spam the network with a large number of defunct or malicious interfaces, each announced interface requires a valid cryptographical stamp, of configurable difficulty value.
* The ``autoconnect_discovered_interfaces`` value defaults to ``0``, and specifies the maximum number of discovered interfaces that should be auto-connected at any given time. If set to a number greater than ``0``, Reticulum automatically manages discovered interface connections, and will bring discovered interfaces up and down based on availability. You can at any time add discovered interfaces to your configuration manually, to persistently keep them available.
* The ``network_identity`` option specifies the *network identity* for this RNS instance. This identity is used both to sign (and potentially encrypt) *outgoing* interface discovery announces, and to decrypt incoming discovery information.
The configuration snippet below contains an example of setting these additional configuration options:
.. code:: text
[reticulum]
...
discover_interfaces = yes
interface_discovery_sources = 521c87a83afb8f29e4455e77930b973b
required_discovery_value = 16
autoconnect_discovered_interfaces = 3
network_identity = ~/.reticulum/storage/identities/my_network
...
Remote Management
-----------------
It is possible to allow remote management of Reticulum
systems using the various built-in utilities, such as
``rnstatus`` and ``rnpath``. To do so, you will need to set
the ``enable_remote_management`` directive in the ``[reticulum]``
section of the configuration file. You will also need to specify
one or more Reticulum Identity hashes for authenticating the
queries from client programs. For this purpose, you can use
existing identity files, or generate new ones with the rnid utility.
The following is a truncated example of enabling remote management
in the Reticulum configuration file:
.. code:: text
[reticulum]
...
enable_remote_management = yes
remote_management_allowed = 9fb6d773498fb3feda407ed8ef2c3229, 2d882c5586e548d79b5af27bca1776dc
...
For a complete example configuration, you can run ``rnsd --exampleconfig``.
.. _using-blackhole_management:
Blackhole Management
--------------------
Reticulum networks are fundamentally permissionless and open, allowing anyone with a compatible interface to participate. While this openness is essential for a resilient and decentralized network, it also exposes the network to potential abuse, such as peers flooding the network with excessive announce broadcasts or other forms of resource exhaustion.
The **Blackhole** system provides tools to help manage this problem. It allows operators and individual users to block specific identities at the Transport layer, preventing them from propagating announces through your node, and for other nodes to reach them through your network.
.. important::
There is fundamentally **no way** to *globally* block or censor any identity or destination in Reticulum networks. The blackhole functionality will prevent announces from (and traffic to) all destinations associated with the blackholed identity *on your own network segments only*.
This provides users and operators with control over what they want to allow *on their own network segments*, but there is no way to globally censor or remove an identity, as long as *someone* is willing to provide transport for it.
This functionality serves a dual purpose:
* **For Individual Users:** It offers a simple way to maintain a quiet and efficient local network by manually blocking spammy or unwanted peers.
* **For Network Operators:** It enables the creation of federated, community-wide security standards. By publishing and sharing blackhole lists, operators can protect large infrastructures and distribute spam filtering rules across the mesh without manual intervention.
Local Blackhole Management
==========================
The most immediate way to manage unwanted identities is through manual configuration using the ``rnpath`` utility. This allows you to instantly block or unblock specific identities on your local Transport Instance.
**Blackholing an Identity**
To block an identity, use the ``-B`` (or ``--blackhole``) flag followed by the identity hash. You can optionally specify a duration and a reason, which are useful for logging and future reference.
.. code:: text
$ rnpath -B 3a4f8b9c1d2e3f4g5h6i7j8k9l0m1n2o
You can also add a duration (in hours) and a reason:
.. code:: text
$ rnpath -B 3a4f8b9c1d2e3f4g5h6i7j8k9l0m1n2o --duration 24 --reason "Excessive announces"
**Lifting Blackholes**
To remove an identity from the blackhole, use the ``-U`` (or ``--unblackhole``) flag:
.. code:: text
$ rnpath -U 3a4f8b9c1d2e3f4g5h6i7j8k9l0m1n2o
**Viewing the Blackhole List**
To see all identities currently blackholed on your local instance, use the ``-b`` (or ``--blackholed``) flag:
.. code:: text
$ rnpath -b
<3a4f8b9c1d2e3f4g5h6i7j8k9l0m1n2o> blackholed for 23h, 56m (Excessive announces)
<399ea050ce0eed1816c300bcb0840938> blackholed indefinitely (Announce spam)
<d56a4fa02c0a77b3575935aedd90bdb2> blackholed indefinitely (Announce spam)
<2b9ec651326d9bc274119054c70fb75e> blackholed indefinitely (Announce spam)
<1178a8f1fad405bf2ad153bf5036bdfd> blackholed indefinitely (Announce spam)
Automated List Sourcing
=======================
Manually blocking identities is effective for immediate threats, but maintaining an up-to-date blocklist for a large network is impractical. Reticulum supports **automated list sourcing**, allowing your node to subscribe to blackhole lists maintained by trusted peers, or a central authority you manage yourself.
.. warning::
**Verify Before Subscribing!** Subscribing to a blackhole source is a powerful action that grants that source the ability to dictate who you can communicate with. Before adding a source to your configuration, verify that the maintainer aligns with your usage policy and values. Blindly subscribing to untrusted lists could inadvertently block legitimate peers or essential services.
When enabled, your Transport Instance will periodically (approximately once per hour) connect to configured sources, retrieve their latest blackhole lists, and automatically merge them into your local blocklist. This provides "set-and-forget" protection for both individual users and large networks.
**Configuration**
To enable automated sourcing, add the ``blackhole_sources`` option to the ``[reticulum]`` section of your configuration file. This option accepts a comma-separated list of Transport Identity hashes that you trust to provide valid blackhole lists.
.. code:: ini
[reticulum]
...
# Automatically fetch blackhole lists from these trusted sources
blackhole_sources = 521c87a83afb8f29e4455e77930b973b, 68a4aa91ac350c4087564e8a69f84e86
...
**How It Works**
1. When enabled, the ``BlackholeUpdater`` service runs in the background.
2. For every identity hash listed in ``blackhole_sources``, it attempts to establish a temporary link to its associated``rnstransport.info.blackhole`` destination.
3. It requests the ``/list`` path, which returns a dictionary of blackholed identities and their associated metadata.
4. The received list is merged with your local ``blackholed_identities`` database.
5. The lists are persisted to disk, ensuring they survive restarts.
.. note::
You can verify the external lists you are subscribed to, and their contents, without importing them by using ``rnpath -p``. See the :ref:`rnpath utility documentation<utility-rnpath>` for details on querying remote blackhole lists.
Publishing Blackhole Lists
==========================
If you are operating a public gateway, a community hub, or simply wish to share your blackhole list with others, you can configure your instance to act as a blackhole list publisher. This allows other nodes to subscribe to *your* definitions of unwanted traffic.
**Enabling Publishing**
To publish your local blackhole list, enable the ``publish_blackhole`` option in the ``[reticulum]`` section:
.. code:: ini
[reticulum]
...
publish_blackhole = yes
...
When this is enabled, your Transport Instance will register a request handler at ``rnstransport.info.blackhole``. Any peer that connects to this destination and requests ``/list`` will receive the complete set of identities currently present in your local blackhole database.
**Federation and Trust**
The blackhole system relies on the trust relationship between the subscriber and the publisher. By subscribing to a source, you are implicitly trusting that source to only block identities that are genuinely detrimental to the network.
As the ecosystem matures, this system is designed to integrate with **Network Identities**. This allows communities to verify that a published blackhole list is actually provided by a specific network or organization with a certain level of reputation and trustworthiness, adding a layer of cryptographic trust to the federation process. This prevents malicious actors from publishing fake lists intended to censor legitimate traffic.
For operators, this creates a scalable model where maintaining a single high-quality blocklist can protect thousands of downstream peers, drastically reducing the administrative.
Improving System Configuration
------------------------------
If you are setting up a system for permanent use with Reticulum, there is a
few system configuration changes that can make this easier to administrate.
These changes will be detailed here.
Fixed Serial Port Names
=======================
On a Reticulum instance with several serial port based interfaces, it can be
beneficial to use the fixed device names for the serial ports, instead
of the dynamically allocated shorthands such as ``/dev/ttyUSB0``. Under most
Debian-based distributions, including Ubuntu and Raspberry Pi OS, these nodes
can be found under ``/dev/serial/by-id``.
You can use such a device path directly in place of the numbered shorthands.
Here is an example of a packet radio TNC configured as such:
.. code:: text
[[Packet Radio KISS Interface]]
type = KISSInterface
interface_enabled = True
outgoing = true
port = /dev/serial/by-id/usb-FTDI_FT230X_Basic_UART_43891CKM-if00-port0
speed = 115200
databits = 8
parity = none
stopbits = 1
preamble = 150
txtail = 10
persistence = 200
slottime = 20
Using this methodology avoids potential naming mix-ups where physical devices
might be plugged and unplugged in different orders, or when device name
assignment varies from one boot to another.
.. _using-systemd:
Reticulum as a System Service
=============================
Instead of starting Reticulum manually, you can install ``rnsd`` as a system
service and have it start automatically at boot.
Systemwide Service
^^^^^^^^^^^^^^^^^^
If you installed Reticulum with ``pip``, the ``rnsd`` program will most likely
be located in a user-local installation path only, which means ``systemd`` will not
be able to execute it. In this case, you can simply symlink the ``rnsd`` program
into a directory that is in systemd's path:
.. code:: text
sudo ln -s $(which rnsd) /usr/local/bin/
You can then create the service file ``/etc/systemd/system/rnsd.service`` with the
following content:
.. code:: text
[Unit]
Description=Reticulum Network Stack Daemon
After=multi-user.target
[Service]
# If you run Reticulum on WiFi devices,
# or other devices that need some extra
# time to initialise, you might want to
# add a short delay before Reticulum is
# started by systemd:
# ExecStartPre=/bin/sleep 10
Type=simple
Restart=always
RestartSec=3
User=USERNAMEHERE
ExecStart=rnsd --service
[Install]
WantedBy=multi-user.target
Be sure to replace ``USERNAMEHERE`` with the user you want to run ``rnsd`` as.
To manually start ``rnsd`` run:
.. code:: text
sudo systemctl start rnsd
If you want to automatically start ``rnsd`` at boot, run:
.. code:: text
sudo systemctl enable rnsd
Userspace Service
^^^^^^^^^^^^^^^^^
Alternatively you can use a user systemd service instead of a system wide one. This way the whole setup can be done as a regular user.
Create a user systemd service files ``~/.config/systemd/user/rnsd.service`` with the following content:
.. code:: text
[Unit]
Description=Reticulum Network Stack Daemon
After=default.target
[Service]
# If you run Reticulum on WiFi devices,
# or other devices that need some extra
# time to initialise, you might want to
# add a short delay before Reticulum is
# started by systemd:
# ExecStartPre=/bin/sleep 10
Type=simple
Restart=always
RestartSec=3
ExecStart=RNS_BIN_DIR/rnsd --service
[Install]
WantedBy=default.target
Replace ``RNS_BIN_DIR`` with the path to your Reticulum binary directory (eg. /home/USERNAMEHERE/rns/bin).
Start user service:
.. code:: text
systemctl --user daemon-reload
systemctl --user start rnsd.service
If you want to automatically start ``rnsd`` without having to log in as the USERNAMEHERE, do:
.. code:: text
sudo loginctl enable-linger USERNAMEHERE
systemctl --user enable rnsd.service
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