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i2pd_docs_en/docs/user-guide/run.md

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Running i2pd

Starting, stopping and reloading configuration

This chapter explains how to start and manage the i2pd daemon under Unix-like operation systems.

After you have built i2pd from source, just run the binary:

./i2pd

To display all available options:

./i2pd --help

i2pd can be controlled with signals. The process ID by is written to the file ~/.i2pd/i2pd.pid or /var/run/i2pd/i2pd.pid by default. You can use kill utility to send signals like this:

kill -INT $( cat /var/run/i2pd/i2pd.pid )

i2pd supports the following signals:

  • INT - Graceful shutdown. i2pd will wait for up to 10 minutes and stop. Send a second INT signal to shutdown i2pd immediately.
  • HUP - Reload configuration files.

systemd unit

Some i2pd packages come with a systemd control unit, and for those that use systemd, it is possible to manage i2pd with it.

To start/stop i2pd:

sudo systemctl start i2pd.service
sudo systemctl stop i2pd.service --no-block

The stop command initiates a graceful shutdown process, i2pd stops after finishing to route transit tunnels (maximum 10 minutes).

To enable/disable autostart of i2pd upon bootup:

sudo systemctl enable i2pd.service
sudo systemctl disable i2pd.service

Recommended way to run i2pd built from source

The following commands display the recommended way to run i2pd built from source, without a package manager. Installing i2pd this way will ensure all i2pd-related files are stored at $HOME/dist.

mkdir $HOME/dist
cp i2pd $HOME/dist
cp -R contrib/certificates $HOME/dist
cp contrib/i2pd.conf $HOME/dist
cd $HOME/dist
ulimit -n 4096  # only on Linux, increasing open file limit

Then, to run i2pd, simply travel to the installation directory and type:

./i2pd --datadir .

Overriding systemd service parameters

For overriding systemd service defaults create /etc/systemd/system/i2pd.service.d/override.conf file and place overriden options. Don't forget use option section.

mkdir -p /etc/systemd/system/i2pd.service.d/
touch /etc/systemd/system/i2pd.service.d/override.conf

Example content with enabled coredump and increased nofile limit

[Service]
LimitNOFILE=16386
LimitCORE=infinity