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Running as a daemon

How to use Specter as a service - launch on boot, start and stop in the background. This guide is for Linux-Users only.

Specter as a Service

  1. Create a file /lib/systemd/system/specter.service with the following content (replace User=myusername to your username):
[Unit]
Description=Specter Desktop Service
After=multi-user.target
[email protected]

[Service]
User=myusername
Type=simple
ExecStart=/usr/bin/python3 -m cryptoadvance.specter server
StandardInput=tty-force

[Install]
WantedBy=multi-user.target
  1. Reload systemd with sudo systemctl daemon-reload
  2. Enable service to run on boot with sudo systemctl enable specter.service (optional)
  3. Start service with sudo systemctl start specter.service

To stop run sudo systemctl stop specter.service, to restart sudo systemctl restart specter.service

Specter as a Service using the linux tarball (tar.gz) release

Users may want to run the linux tarball release as a system service. This has the added benefits over the python release of being easily verifiable using the release signing keys. Unfortunately, there are some legacy locale issues that make running the tarball service difficult, so we will need to set local variables in a startup script that will then be called by the systemd service file.

  1. Create a file where you normally add manually installed apps and scripts: e.g. /usr/local/bin/start_specterd
  2. Add the following to the file:
#!/bin/bash

#script to set correct system local before starting specterd

export LC_ALL=C.UTF-8
export LANG=C.UTF-8

/usr/bin/specterd server --host localhost --port 25441 \
# & ssh -nN -R 25441:localhost:25441 [email protected] \
# && fg
  1. Make the script executable sudo chmod +x /ust/local/bin/start_specterd
  2. Incorporate the script into your specter.service file:
[Unit]
Description=Specter Desktop Service
After=multi-user.target
[email protected]

[Service]
User=myusername
Type=simple
ExecStart=/usr/local/bin/start_specterd
StandardInput=tty-force

[Install]
WantedBy=multi-user.target
  1. To start the specter service run sudo systemctl daemon-reload && sudo systemctl enable --now specter.service

You can check the status of specter.service by running systemctl status specter.service or for debugging, you can get more information by running sudo journalctl -fu specter.service

The commented section of the service file above refers to an optional reverse proxy setup which is covered in the reverse_proxy.md document.

bitcoind as a Service

You can do the same for bitcoind if you want to, then both Specter and bitcoind will start on system boot. To make bitcoind service follow the same steps, just name the service bitcoind.service and set ExecStart=bitcoind there.

Specter with virtual environment

If you don't want to have Specter in your global python modules, you can use a virtual environment instead.

First create the virtual environment and install Specter there. Let's say the path is /home/myusername/.venv_specter.

Then you need to change the specter.service to the following:

[Unit]
Description=Specter Desktop Service
After=multi-user.target
[email protected]

[Service]
User=myusername
Type=simple
ExecStart=/home/myusername/.venv_specter/bin/python -m cryptoadvance.specter server
Environment="PATH=/home/myusername/.venv_specter/bin"
StandardInput=tty-force

[Install]
WantedBy=multi-user.target