Syncthing
Setting up a Syncthing Relay on Ubuntu Linux
Introduction
What is syncthing-relaysrv
syncthing-relaysrv is:
Syncthing is an application that lets you synchronize your files across multiple devices. This means the creation, modification or deletion of files on one machine will automatically be replicated to your other devices. Syncthing does not upload your data to the cloud but exchanges your data across your machines as soon as they are online at the same time.
Syncthing relies on a network of community-contributed relay servers. Anyone can run a relay server, and it will automatically join the relay pool and be available to Syncthing users.
This package contains the relay server binary: strelaysrv.
Installing syncthing-relaysrv
sudo curl -o /usr/share/keyrings/syncthing-archive-keyring.gpg https://syncthing.net/release-key.gpg
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
sudo apt-get update
apt install syncthing-relaysrv
Create directory for certificates
sudo mkdir /etc/strelaysrv
sudo chown syncthing-relaysrv:syncthing /etc/strelaysrv
Create systemd script
vi /etc/systemd/system/strelaysrv.service
[Unit]
Description=Syncthing Relay Daemon
After=syslog.target network.target remote-fs.target nss-lookup.target
[Service]
Type=simple
User=syncthing-relaysrv
Group=syncthing
ExecStart=/usr/bin/strelaysrv -keys=/etc/strelaysrv -provided-by='blaataaps syncthing server'
PrivateTmp=true
#ProtectSystem=full
ProtectHome=true
NoNewPrivileges=true
[Install]
WantedBy=multi-user.target
Enable and start strelaysrv
systemctl daemon-reload
systemctl enable strelaysrv.service
systemctl start strelaysrv.service
systemctl status strelaysrv.service
You should then see your syncthing relay pop up on here after a short time:
https://relays.syncthing.net/