Headless modeWhile working with the raspberry pi, you will sometimes across the term “headless”. This means that the device has been modified to work without a monitor ( also known as head) and accessories.
VNCVNC is the abbreviation for Virtual Network Computing. You can remotely control another computer through this desktop sharing application. Your commands are interpreted and carried out on the remote computer. This independent platform is compatible with all operating systems. 
While using VNC with raspberry Pi projects, one must note that by default this remote connection is not allowed, you need to install the required VNC server. Download the RealVNC viewer on your host machine as well and sign into it.

Step 1: Open the terminal

In the terminal, enter sudo raspi-config. A configuration app opens that displays 9 options for you to select from.

Step 2: Select the option- Interfacing

Then the raspi config utility nine options, out of which the interfacing option allows us to configure connections to peripherals.

Step 3: Select P3, VNC

When you select “interfacing options”, the screen will display a new set of options with numbering from P1 to P8. Here you can enable and disable different options as per your choice. For now, go to option P5- I2C and enable it.

Step 4: Select Yes

When you select P5 I2C, another screen opens that asks for confirmation. Here, select – yes

Step 5: Click on <ok>

To enable VNC server, click on the option <ok> and then select <finish>

Step 6: Open the vnc installed on the host device (example computer, smartphone, tablet, etc)

You can download it using this link. Once you launch the software on the host device, navigate to the Connect address bar and type the name of the Raspberry Pi server. You will then be prompted to enter your Raspberry Pi username and password. Once that’s complete, you will be connected to your Raspberry Pi desktop through VNC. 

You can also check out the article on ‘DIY How to Setup Raspberry Pi in Headless mode.’

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