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Installing and removing VNC Connect¶
These instructions explain how to install VNC Connect (version 6+) on supported Red Hat-compatible computers.
VNC Connect consists of a VNC Server app for the remote computer you want to control, and a VNC Viewer app for the local device you want to control from.
You can perform all the operations on this page at the command line. Check out our example script.
Upgrading to VNC Connect from legacy versions¶
If you are upgrading from VNC 5.x and have a valid Personal or Enterprise license key, installation should be seamless. You do not need to stop VNC Server, and any configuration changes you have made will be preserved. If you wish to enable cloud connectivity, perform this post-install step.
If you have an out-of-date Personal or Enterprise license key for VNC 5.x, you must purchase a subscription as a new customer.
If you have a Free license key for VNC 5.x, you can migrate to a new, free Home subscription providing you install VNC Server desk-side. You cannot migrate over a remote control session.
If you wish to upgrade from VNC Enterprise Edition or VNC Personal Edition 4.x, we recommend you first contact Support.
Downloading VNC Server¶
Download the appropriate VNC Server RPM installer for the architecture of the remote computer you want to control.
If you do not have administrative privileges, or want to specify non-default installation locations, download the appropriate generic installer instead, and run the script provided.
Installing VNC Server¶
Note the following:
- VNC Server depends upon
xterm. You must install it and all its dependencies first.
- VNC Server conflicts with TigerVNC, a pre-installed third-party VNC-compatible application. Conflicting
vncpasswd) are renamed on installation, and restored if VNC Server is uninstalled.
Using desktop tools¶
To install VNC Server, open
<VNC-Server>.rpm using a suitable package manager, and follow the instructions. Administrative
privileges are required.
At the command line¶
Installing at the command line or via SSH may be quicker and more convenient providing defaults are acceptable. To do this, run the following command as a user with administrative privileges:
rpm -U <VNC-Server>.rpm
Licensing VNC Server¶
You must license VNC Server running on the remote computer or remote access will not be available. You don’t need to license VNC Viewer.
Setting up the environment for VNC Server¶
VNC Server in Virtual Mode¶
For best results with modern desktop environments and applications, run VNC Server in conjunction with the system Xorg server, rather than the outdated version built-in to Xvnc.
VNC Server in Service Mode¶
Under certain distributions you must swap the Wayland compositor for X in order to remote
the login screen. Open
/etc/gdm/custom.conf in a text editor, uncomment the following line, and then restart the computer:
Policy modules will have been automatically registered if SELinux was enabled during VNC Server installation or upgrade. If you enable
SELinux afterwards, run
vncinitconfig -register-SELinux to register these policy modules manually.
Policy modules cannot be registered on versions of CentOS/RHEL earlier than 5.0.
Starting VNC Server¶
To start VNC Server in Service Mode, run the appropriate command as a user with administrative privileges:
systemctl start vncserver-x11-serviced.service #systemd
/etc/init.d/vncserver-x11-serviced start #initd
For other command line operations and modes, see these instructions.
Downloading VNC Viewer¶
Download the VNC Viewer RPM installer to the computer you want to control if you have administrative privileges to install, or the standalone binary if not.
If you have a:
Removing VNC Connect¶
Using desktop tools¶
To uninstall VNC Server, open a package manager, conduct a search for the realvnc-vnc-server package, mark the package for removal, and apply the change. Administrative privileges are required. To uninstall VNC Viewer, repeat this operation for realvnc-vnc-viewer.