How to make a service in Ubuntu Linux
Save the following at /lib/systemd/system/you_service_name.service:
[Unit]
Description=My First Service
After=network-online.target
[Service]
Restart=on-failure
# do chdir before running the service
WorkingDirectory=/path/to/your/app
ExecStart=/usr/bin/node /path/to/your/app/app.js
# limit CPU and RAM quota for our service
CPUAccounting=true
CPUQuota=10%
MemoryAccounting=true
MemoryLimit=50M
[Install]
WantedBy=multi-user.target
Let the system know about our service:
systemctl daemon-reload
Load this service on boot:
systemctl enable you_service_name
Run:
systemctl restart you_service_name
Watch:
journalctl -lf -u you_service_name
Stop:
systemctl stop you_service_name
Disable:
systemctl disable you_service_name
Status:
systemctl status you_service_name