esera automation 19200 Linux Manual - Halaman 4
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8.3
Autostart of VNC Server via systemd-Service
To start the TightVNCServer automatically at boot time, the systemd service is required. This variant of the VNC
start has the advantage that you can control it a bit more finely, if you dare to do so from the command line.
First we create a new file in the systemd system directory:
sudo nano /etc/systemd/system/[email protected]
The content of the file looks like this::
[Unit]
Description=VNC mit TightVNCServer
After=syslog.target network.target
[Service]
Type=forking
User=pi
PAMName=login
PIDFile=/home/pi/.vnc/%H:%i.pid
ExecStartPre=-/usr/bin/vncserver -kill :%i > /dev/null 2>&1
ExecStart=/usr/bin/vncserver -depth 24 -geometry 1280x800 :%i
ExecStop=/usr/bin/vncserver -kill :%i
[Install]
WantedBy=multi-user.target
In the line beginning with "ExecStart..." there are the VNC parameters "-depth" and "-geometry", which can be
adjusted as desired.
Then save and close the file: Ctrl + O, Return, Ctrl + X.
Then you have to tell systemd that there is a new service/daemon.
sudo systemctl daemon reload
The following commands explain how to control this VNC service on the command line
Start VNC-Service
sudo systemctl start [email protected]
Stop running VNC-Service
sudo systemctl stop [email protected]
Show Status VNC-Service
sudo systemctl status [email protected]
Enable automatic startup at boot-up
sudo systemctl enable [email protected]
Disable automatic startup on boot:
sudo systemctl disable [email protected]
Display whether the VNC service is started automatically at boot time:
sudo systemctl is-enabled [email protected]
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ESERA GmbH. Errors and technical modification subject to change. ESERA GmbH, ESERA-Automation 2020
www.esera.de
19200 V1.0 R1.0 Commissioning II
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