HarkTV

Owner	Space
Status	Working
Hostname	harktv.dhcp.nurd.space
Location	Zaal 2
Tool	No
Tool category

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What

Workstation in Zaal 2. It has a barcode scanner which can be used for Partkeepr.

Auto shutdown

We want this machine to shutdown when space is closed. We check MQTT for this in a simple python script. We use paho, so let's install that:

apt-get install python-paho-mqtt

Normally the script would ask for a password to execute the shutdown command. We can avoid this with following line in /etc/sudoers (use visudo for this):

hark harktv =NOPASSWD: /bin/systemctl poweroff

Now we just run a cronjob every 5 minutes:

*/5 * * * * ~/space_status_shutdown.py