### Install yggdrasil-go with emerge

Source: https://yggdrasil-network.github.io/installation-linux-gentoo.html

Installs the net-p2p/yggdrasil-go package using emerge with the --ask flag.

```bash
sudo emerge --ask net-p2p/yggdrasil-go

```

--------------------------------

### Install dirmngr

Source: https://yggdrasil-network.github.io/installation-linux-deb.html

Install dirmngr if it is not already available on some platforms, e.g. Raspberry Pi, before importing the repository key.

```bash
sudo apt-get install dirmngr

```

--------------------------------

### Install Yggdrasil from S3 repository

Source: https://yggdrasil-network.github.io/installation-linux-deb.html

Install Yggdrasil from the S3 repository.

```bash
sudo apt-get install yggdrasil

```

--------------------------------

### Start Yggdrasil launchd service (sudo launchctl load)

Source: https://yggdrasil-network.github.io/installation-macos-pkg.html

Loads the Yggdrasil launchd service to start it again after it has been unloaded. Requires sudo. The service will run automatically at startup and restart if killed.

```bash
sudo launchctl load /Library/LaunchDaemons/yggdrasil.plist

```

--------------------------------

### Enable and start Yggdrasil systemd service

Source: https://yggdrasil-network.github.io/installation-linux-other.html

Enables the yggdrasil service to start on boot and starts it immediately.

```bash
sudo systemctl enable yggdrasil
sudo systemctl start yggdrasil

```

--------------------------------

### Enable and start Yggdrasil launchd service

Source: https://yggdrasil-network.github.io/installation-macos-other.html

Loads and starts the Yggdrasil launchd service. These commands must be run with sudo.

```bash
sudo launchctl load /Library/LaunchDaemons/yggdrasil.plist
sudo launchctl start /Library/LaunchDaemons/yggdrasil.plist

```

--------------------------------

### Query peers with yggdrasilctl

Source: https://yggdrasil-network.github.io/installation-windows.html

Use this command to query Yggdrasil's runtime state, for example to list peers. The utility is installed in the same location as the installer.

```text
"C:\Program Files\Yggdrasil\yggdrasilctl.exe" getPeers
```

--------------------------------

### Use configuration file via file path

Source: https://yggdrasil-network.github.io/configuration.html

Starts Yggdrasil using a configuration file specified by a filesystem path.

```bash
yggdrasil -useconffile /etc/yggdrasil.conf
```

--------------------------------

### Use configuration file via stdin

Source: https://yggdrasil-network.github.io/configuration.html

Starts Yggdrasil using a configuration file provided through standard input.

```bash
yggdrasil -useconf < /etc/yggdrasil.conf
```

--------------------------------

### Install Yggdrasil .pkg via Terminal (sudo installer)

Source: https://yggdrasil-network.github.io/installation-macos-pkg.html

Use this command in Terminal.app to install the Yggdrasil macOS package. Replace /path/to/yggdrasil-xxx-macos.pkg with the actual path to the downloaded .pkg file. After installation, the configuration is generated automatically and the launchd service is installed and running.

```bash
sudo installer -pkg /path/to/yggdrasil-xxx-macos.pkg -target /

```

--------------------------------

### Install Yggdrasil on Fedora via COPR

Source: https://yggdrasil-network.github.io/installation-linux-rpm.html

Enable the COPR repository and install the Yggdrasil package using dnf.

```bash
dnf copr enable neilalexander/yggdrasil-go
dnf install yggdrasil

```

--------------------------------

### Add repository and update apt

Source: https://yggdrasil-network.github.io/installation-linux-deb.html

Add the Yggdrasil repository to apt sources and update the package list. The repository also works over HTTPS; you will need to install apt-transport-https and edit the URL to start with https://.

```bash
echo 'deb [signed-by=/usr/local/apt-keys/yggdrasil-keyring.gpg] http://neilalexander.s3.dualstack.eu-west-2.amazonaws.com/deb/ debian yggdrasil' | sudo tee /etc/apt/sources.list.d/yggdrasil.list
sudo apt-get update

```

--------------------------------

### Install vyatta-yggdrasil package with dpkg

Source: https://yggdrasil-network.github.io/installation-linux-edgeos.html

Install the vyatta-yggdrasil package on the EdgeRouter using dpkg. Requires SSH access as the ubnt user or another admin-level user. The package does not survive firmware upgrades; you must re-add the GPG key and reinstall after a system upgrade.

```bash
sudo dpkg -i vyatta-yggdrasil-x.x.xxx-mipsel.deb

```

--------------------------------

### Example NodeInfo JSON provided by default

Source: https://yggdrasil-network.github.io/installation-linux-openwrt.html

This JSON shows the basic NodeInfo that the Yggdrasil daemon provides to the mesh by default. It can be disabled in /etc/config/yggdrasil or LuCI admin.

```json
"NodeInfo": {
  "kernel": "4.14.123",
  "hostname": "OpenWrt",
  "model": "Globalscale Marvell ESPRESSOBin Board",
  "board_name": "globalscale,espressobin"
}

```

--------------------------------

### Configuration file path

Source: https://yggdrasil-network.github.io/installation-windows.html

The Yggdrasil installer automatically generates a configuration file at this path if one does not exist.

```text
%ALLUSERSPROFILE%\Yggdrasil\yggdrasil.conf
```

--------------------------------

### yggdrasilctl getDHT and getPeers examples

Source: https://yggdrasil-network.github.io/admin.html

Basic usage of the yggdrasilctl utility to query the DHT and peer information. Each command is specified in field=value format.

```bash
yggdrasilctl getDHT
yggdrasilctl getPeers

```

--------------------------------

### Configure Yggdrasil listener for TLS

Source: https://yggdrasil-network.github.io/faq.html

Example of a listener entry in the Listen section of the Yggdrasil configuration file to accept incoming peering connections over TLS.

```text
tls://[::]:54321
```

--------------------------------

### Configure Yggdrasil listener for plain TCP

Source: https://yggdrasil-network.github.io/faq.html

Example of a listener entry in the Listen section of the Yggdrasil configuration file to accept incoming peering connections over plain TCP.

```text
tcp://[::]:12345
```

--------------------------------

### Generate Yggdrasil configuration with tun0 interface

Source: https://yggdrasil-network.github.io/installation-linux-edgeos.html

Create the Yggdrasil interface (e.g., tun0) and generate the configuration automatically. After commit and save, Yggdrasil starts with default configuration including multicast peer discovery.

```bash
configure
set interfaces yggdrasil tun0
commit
save

```

--------------------------------

### Admin socket response JSON example

Source: https://yggdrasil-network.github.io/admin.html

Structure of a typical admin socket response. Always includes "request" and "status" fields, optionally includes "response" and "error".

```json
{
  "request":
  {
    "request": "XXX",
    "foo": "bar",
    "baz": "qux"
  },

  "response":
  {
  },

  "status": "success"
}

```

--------------------------------

### Admin socket request JSON example

Source: https://yggdrasil-network.github.io/admin.html

Structure of a typical admin socket request. Must include a "request" field and can include optional fields like "keepalive".

```json
{
  "request": "XXX",
  "foo": "bar",
  "baz": "qux"
}

```

--------------------------------

### Sync repositories with emerge

Source: https://yggdrasil-network.github.io/installation-linux-gentoo.html

Synchronizes the package repositories using emerge. Run after enabling the GURU repository.

```bash
sudo emerge --sync

```

--------------------------------

### Show Yggdrasil configuration with uci show

Source: https://yggdrasil-network.github.io/installation-linux-openwrt.html

Run this command to display currently configured Yggdrasil options on OpenWrt.

```bash
uci show yggdrasil

```

--------------------------------

### Enable GURU repository with eselect repository

Source: https://yggdrasil-network.github.io/installation-linux-gentoo.html

Enables the GURU repository using eselect repository. Requires sudo privileges.

```bash
sudo eselect repository enable guru

```

--------------------------------

### Connect to Xonotic server

Source: https://yggdrasil-network.github.io/services.html

In Xonotic, press the backtick key (`) to open the console and type or paste the connect command with the server's IPv6 address and port.

```text
connect [201:ac2f:89eb:2afe:5f3d:9db9:a7e9:2f75]:26000
```

--------------------------------

### View Yggdrasil logs with journalctl

Source: https://yggdrasil-network.github.io/faq.html

Retrieve logs from the Yggdrasil service managed by systemd, as installed by the Debian package.

```bash
journalctl -u yggdrasil
```

--------------------------------

### Build Yggdrasil from source

Source: https://yggdrasil-network.github.io/installation-linux-other.html

Builds the Yggdrasil binaries from the cloned repository. The build produces 'yggdrasil' and 'yggdrasilctl' binaries.

```bash
cd /path/to/yggdrasil-go
./build

```

--------------------------------

### yggdrasilctl -endpoint examples

Source: https://yggdrasil-network.github.io/admin.html

Specifies the -endpoint parameter to connect to a remote Yggdrasil node via TCP or Unix socket.

```bash
yggdrasilctl -endpoint=tcp://10.0.0.1:9001 getPeers
yggdrasilctl -endpoint=unix:///var/run/yggdrasil.sock getDHT

```

--------------------------------

### Copy Yggdrasil binaries to /usr/local/bin

Source: https://yggdrasil-network.github.io/installation-linux-other.html

Copies the built 'yggdrasil' and 'yggdrasilctl' binaries to /usr/local/bin using sudo.

```bash
sudo cp {yggdrasil,yggdrasilctl} /usr/local/bin

```

--------------------------------

### Peer URI schemes

Source: https://yggdrasil-network.github.io/configuration.html

Examples of peering URIs for connecting to Yggdrasil peers: direct TCP, TCP+TLS, QUIC, and via SOCKS proxy.

```text
tcp://hostname:port
```

```text
tls://hostname:port
```

```text
quic://hostname:port
```

```text
socks://proxyhostname:proxyport/hostname:port
```

--------------------------------

### Unmask yggdrasil-go when accept_keywords is a file

Source: https://yggdrasil-network.github.io/installation-linux-gentoo.html

Adds the ~amd64 keyword for net-p2p/yggdrasil-go when /etc/portage/package.accept_keywords is a file. Uses tee -a to append.

```bash
echo "net-p2p/yggdrasil-go ~amd64" | sudo tee -a /etc/portage/package.accept_keywords

```

--------------------------------

### Import and export repository key

Source: https://yggdrasil-network.github.io/installation-linux-deb.html

Create the apt-keys directory, fetch the repository key, and export it to the apt keyring. The key ID is 1C5162E133015D81A811239D1840CDAC6011C5EA.

```bash
sudo mkdir -p /usr/local/apt-keys
gpg --fetch-keys https://neilalexander.s3.dualstack.eu-west-2.amazonaws.com/deb/key.txt
gpg --export 1C5162E133015D81A811239D1840CDAC6011C5EA | sudo tee /usr/local/apt-keys/yggdrasil-keyring.gpg > /dev/null

```

--------------------------------

### Check Yggdrasil service status with systemctl

Source: https://yggdrasil-network.github.io/faq.html

Query systemd for the status of the Yggdrasil service, useful when logs are not directly visible after installing the Debian package.

```bash
systemctl status yggdrasil
```

--------------------------------

### Default firewall configuration for Yggdrasil

Source: https://yggdrasil-network.github.io/installation-linux-edgeos.html

Example firewall configuration that allows outgoing connections and ICMPv6, but drops unexpected incoming connections. Applies to the tun0 interface.

```bash
configure

set firewall ipv6-name YGG_IN default-action drop
set firewall ipv6-name YGG_LOCAL default-action drop

set firewall ipv6-name YGG_IN rule 10 action accept
set firewall ipv6-name YGG_IN rule 10 state established enable
set firewall ipv6-name YGG_IN rule 10 state related enable

set firewall ipv6-name YGG_IN rule 20 action drop
set firewall ipv6-name YGG_IN rule 20 state invalid enable

set firewall ipv6-name YGG_IN rule 30 action accept
set firewall ipv6-name YGG_IN rule 30 protocol icmpv6

set firewall ipv6-name YGG_LOCAL rule 10 action accept
set firewall ipv6-name YGG_LOCAL rule 10 state established enable
set firewall ipv6-name YGG_LOCAL rule 10 state related enable

set firewall ipv6-name YGG_LOCAL rule 20 action drop
set firewall ipv6-name YGG_LOCAL rule 20 state invalid enable

set firewall ipv6-name YGG_LOCAL rule 30 action accept
set firewall ipv6-name YGG_LOCAL rule 30 protocol icmpv6

set interfaces yggdrasil tun0 firewall in ipv6-name YGG_IN
set interfaces yggdrasil tun0 firewall local ipv6-name YGG_LOCAL

commit
save

```

--------------------------------

### Unmask yggdrasil-go when accept_keywords is a directory

Source: https://yggdrasil-network.github.io/installation-linux-gentoo.html

Adds the ~amd64 keyword for net-p2p/yggdrasil-go when /etc/portage/package.accept_keywords is a directory. Uses tee to write the line.

```bash
echo "net-p2p/yggdrasil-go ~amd64" | sudo tee /etc/portage/package.accept_keywords/yggdrasil-go

```

--------------------------------

### Stop Yggdrasil launchd service (sudo launchctl unload)

Source: https://yggdrasil-network.github.io/installation-macos-pkg.html

Unloads the Yggdrasil launchd service to stop it and prevent it from starting automatically. Requires sudo. The service will not run until it is loaded again.

```bash
sudo launchctl unload /Library/LaunchDaemons/yggdrasil.plist

```

--------------------------------

### Export private key to external file

Source: https://yggdrasil-network.github.io/configuration.html

Exports the private key from an existing configuration file to a separate file.

```bash
yggdrasil -useconffile /etc/yggdrasil.conf -exportkey > yggdrasil.key
```

--------------------------------

### Generate Yggdrasil configuration file

Source: https://yggdrasil-network.github.io/installation-linux-other.html

Generates an initial Yggdrasil configuration file and writes it to /etc/yggdrasil.conf.

```bash
sudo yggdrasil -genconf > /etc/yggdrasil.conf

```

--------------------------------

### radvd configuration for advertising a prefix

Source: https://yggdrasil-network.github.io/configuration.html

Configuration for /etc/radvd.conf to advertise a /64 prefix and a route to 200::/7 on the eth0 interface. Replace the prefix with your routed subnet from yggdrasilctl getSelf.

```plaintext
interface eth0
{
        AdvSendAdvert on;
        prefix 300:1111:2222:3333::/64 {
            AdvOnLink on;
            AdvAutonomous on;
        };
        route 200::/7 {};
};

```

--------------------------------

### Convert configuration from JSON to HJSON

Source: https://yggdrasil-network.github.io/configuration.html

Normalizes and converts a configuration file from JSON to HJSON format.

```bash
yggdrasil -normaliseconf -useconffile /etc/yggdrasil.conf
```

--------------------------------

### Run iPerf3 speed test over clearnet

Source: https://yggdrasil-network.github.io/services.html

Use iPerf3 with IPv4 to test speed against the clearnet server.

```bash
iperf3 -4 -c ygg-uplink.thingylabs.io
```

--------------------------------

### Check Yggdrasil peers with yggdrasilctl getPeers

Source: https://yggdrasil-network.github.io/faq.html

Use this command to verify if you have any active peers. Peer on port 0 is your own node; ports 1 and above are your active peers.

```bash
yggdrasilctl getPeers
```