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The [application]*Anaconda* installation program offers two modes for VNC installation: _Direct mode_ and _Connect mode_. The modes differ in the way the connection between the server and viewer is established. After you successfully connect, the installation will progress the same way regardless of the mode you used.
Start the VNC viewer on the client system in listening mode. For example, on {PRODUCT} using [application]*TigerVNC*, execute the following command:
Start the installation using the edited options. The system will initialize the installation program and start the necessary services. When the system is ready, you will see a message on the screen similar to the following:
Start the installation. The system will initialize the installation program and start the necessary services. Once the initialization is finished, [application]*Anaconda* will attempt to connect to the IP address and port you provided in the previous step.
Starting VNC in Direct Mode
Starting VNC in Connect Mode
Set up a PXE server that will be used to start the installation. Information about installing and performing basic configurating of a PXE server can be found in xref:advanced/Network_based_Installations.adoc#chap-pxe-server-setup[Setting Up an Installation Server].
Replace _PORT_ with the port number you want to use for the connection.
Replace _package_ with the package name of the viewer you want to use (for example, [package]*tigervnc*).
Replace _HOST_ with the IP address of the system running the listening VNC viewer, and _PORT_ with the port number that the VNC viewer is listening on.
Procedures in this chapter assume you are using [application]*TigerVNC* as your VNC viewer. Specific instructions for other viewers may differ, but the general principles still apply.
Performing a VNC installation requires a VNC viewer running on your workstation or another terminal computer. VNC viewers are available in the repositories of most Linux distributions; free VNC viewers are also available for other operating systems such as Windows. On Linux systems, use your package manager to search for a viewer for your distribution.
Performing a VNC Installation
[option]#inst.vnc inst.vncconnect=pass:attributes[{blank}]_HOST_:pass:attributes[{blank}]_PORT_#
Optionally, if you want to restrict VNC access to the installation system, add the [option]#inst.vncpassword=pass:attributes[{blank}]_PASSWORD_pass:attributes[{blank}]# boot option as well. Replace _PASSWORD_ with the password you want to use for the installation. The VNC password must be between 6 and 8 characters long.
Open the VNC viewer (for example, [application]*TigerVNC*) on the workstation you will be using to connect to the system being installed. A window similar to xref:figu-vnc-installations-connection-details[TigerVNC Connection Details] will be displayed with an input field allowing you to specify an IP address.
On the system running the VNC Viewer, enter the IP address and port number obtained in the previous step into the `Connection Details` dialog in the same format as it was displayed on the screen by the installer. Then, click `Connect`. The VNC viewer will now connect to the installation system. If you set up a VNC password, enter it when prompted and press `OK`.
Note the IP address and port number (in the above example, `192.168.100.131:5901`).
Network Connection Rules and Firewalls
Kickstart Considerations