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Choosing a VNC Installation Mode
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Visual and Interactive access to the system
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If visual and interactive access to the system being installed is not available, then you should use Connect Mode.
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Network Connection Rules and Firewalls
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If the system being installed is not allowed inbound connections by a firewall, then you must use Connect Mode or disable the firewall. Disabling a firewall may have security implications.
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If the remote system running the VNC viewer is not allowed incoming connections by a firewall, then you must use Direct Mode, or disable the firewall. Disabling a firewall may have security implications.
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Installing in VNC Direct Mode
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VNC Direct Mode is when the VNC viewer initiates a connection to the system being installed. [application]*Anaconda* will tell you when to initiate this connection.
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Starting VNC in Direct Mode
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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.
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TigerVNC Connection Details
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TigerVNC after startup
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vnc/connection-details.png
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Boot the installation system and wait for the boot menu to appear. In the menu, edit boot options (see xref:install/Booting_the_Installation.adoc#sect-boot-menu[The Boot Menu]) and append the [option]#inst.vnc# option to the end of the command line.
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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.
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Use a temporary password for the [option]#inst.vncpassword=# option. It should not be a real or root password you use on any system.
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Adding VNC Boot Options
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Editing boot options to activate VNC
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boot/vnc-options.png
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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:
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