vnc is an acronym that stands for Virtual Network Computing: is a program that allows you to control a remote computer through any type of network.
In very simple terms vnc does is to connect two computers directly configured appropriately giving the ability to control, by one of two machines,
the remote computer as if you were physically sitting in front of it, used if you want the GUI , mouse,
and everything that you can access with the privileges of the user with which you connect to the remote machine.
vnc was initially developed by Olivetti before being sold to research laboratories in Cambridge by AT & T,
but the mass distribution of the program only came with the birth of the project RealVNC was born as an offshoot of the original project and then be developed in a manner autonomously.
Today there are several versions of vnc such as the previously mentioned RealVNC, TightVNC, UltraVNC, etc..
The program is available for all types of operating systems and for almost all types of hardware architectures.
The implementation of vnc environments for GNU / Linux is based on Xvnc, a server software that does not connect to a real X display, but uses a dummy X11 session to which multiple clients can connect.
It should be noted that X already offers the ability to natively run a program on a computer displaying the windows in the X servant of another computer. vnc, unlike this implementation,
allows connection to a GNU / Linux, even from another machine that does not have an X server installed, for example, a PC with Windows. In addition to any vnc client is great is a little more than a few hundred KB vnc (can be conveniently contained in a floppy disk) and requires a configuration very easy to do.
x11vnc is the version of ‘vnc‘ for GNU / Linux I chose for my install Debian GNU / Linux and where you will find a guide to using the base in these pages.
More detail from here VNC – Virtual Network Computing
More info at VNC – Virtual Network Computing
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