Install flood with a service account

This example is given for ArchLinux or derivated, others distros may adjust some commands.

• Follow pre-requisites part of the README.
• Install nodejs and npm globally, don't do a per user installation:

# pacman -Syy
# pacman -S nodejs npm

• Follow configuring part of the README.
• Create a flood user:

# useradd -m flood

• Install flood in /srv/flood:

# cd /srv
# git clone https://github.com/jfurrow/flood.git flood
# chown -R flood:flood /srv/flood
# cd /srv/flood
# npm install --production

• Create the file /etc/systemd/system/flood.service:

[Unit]
Description=Flood rTorrent Web UI
After=network.target

[Service]
WorkingDirectory=/srv/flood
ExecStart=/usr/bin/npm start --production /srv/flood
User=flood

[Install]
WantedBy=multi-user.target

• Start flood:

# systemctl start flood.service

Compiled in the AUR, original author: noraj1337