@Jopyth I figured it out myself but thanks for the help, i used MMM-ModuleScheduler and put this

                 {
        module: 'MMM-ModuleScheduler',
        config: {
            notification_schedule: {
                notification: 'UPDATE_SL',
                schedule: '*/5 * * * *',
                payload: {
                    type: "UPDATE_SL",
                    title: 'sl!',
                    action: "notification"
                }
            }
        }

to make it update every 5 minutes

@tomyboy96 said in PM2 do not start at bootup on my RPI 2? Works fine on my RPI 3.:

errors in crontab file, can’t install.

do you have the @reboot before pm2 start mm.sh if you dont try with that