Service Magic

README.md

Service file: put in /etc/systemd/system/[name].service

[Unit]
Description=Run foo

# You can sepcify dependencies
#After=network.target

[Service]
# Service that is not actually a service
# Process is spawned (state=active) then exits (state=inactive)
Type=simple

# The actual program to run
ExecStart=/usr/local/bin/foo

[Install]
# You can make it so that you can run all
# processes you need with
#   systemctl start magic-process-group.target
WantedBy=magic-process-group.target

Checking script

Check if foo.service or bar.service are running, otherwise exit

systemctl is-active foo bar | grep '^active$' || systemctl poweroff