Introduction

The db4e softare monitors the P2Pool log and queries the API to gather event and metrics data. Therefore, it’s important that db4e is always running when P2Pool is running so that all events (e.g. a share found event) are captured.

The db4e service does not require root access, therefore it’s configured to use a different account (sally in the example below).

This page documents the setup of db4e as a systemd service.

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Pre-Requisites

• I am running Debian, but these instructions apply to basically any machine running Linux that uses systemd.
• root user access.

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Setup the Service

New Service File

Create a systemd service file in the /etc/systemd/system directory. Name this file db4e.service and create it as the root user. A complete listing of this file is shown below:

[Unit]
Description=DB4E Monitor P2Pool Log Service

[Service]
User=sally
WorkingDirectory=/opt/prod/db4e
ExecStart=/opt/prod/db4e/bin/db4e.sh -m
Restart=always
RestartSec=3
KillMode=process

[Install]
WantedBy=multi-user.target

IMPORTANT NOTE: The line User=sally tells the OS to run the db4e service using the sally account. You will need to change this to whatever account you’ve used to install the db4e softare.

Refresh systemd

You need to tell systemd that you’ve changed the configuration of the system.

sudo system daemon-reload

Start when Booting

Use the command below to start the db4e service automatically when the system boots.

sudo systemctl enable db4e

Manual Start

Use the command below to start the service manually:

sudo systemctl start db4e

Manual Stop

sudo systemctl stop monerod

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Checking the Status

sudo systemctl status monerod