Control a Computer Remotely Using TightVNC for Windows and Unix

TightVNC is a free remote control software package. With TightVNC, you can see the desktop of a remote machine and control it with your local mouse and keyboard, just like you would do it sitting in the front of that computer. TightVNC can be used to perform remote control and administration tasks in Windows, Unix and mixed network environments.

TightVNC can be very helpful in distance learning and remote customer support. Finally, you can find a number of additional VNC-compatible utilities and packages that can extend the areas where TightVNC can be helpful.

TightVNC is:

  • free for both personal and commercial usage, with full source code available,
  • useful in administration, tech support, education, and for many other purposes,
  • cross-platform, available for Windows and Unix, with Java client included,
  • compatible with standard VNC software, conforming to RFB protocol specifications.

With TightVNC, you can:

  • [advt]cut your expenses and save your time on traveling,
  • help your friends and family to solve problems with their computers remotely,
  • make sure nothing wrong is happening on your computers when you are away.

TightVNC Features

Here is a brief list of TightVNC features absent in the standard VNC.

  • File transfers in versions for Windows. You can updload files from your local machine to the TightVNC Server, and download files from the server to your computer.
  • Support for video mirror driver (Windows 2000 and above). TightVNC Server can use DFMirage mirror driver to detect screen updates and grab pixel data in a very efficient way, saving processor cycles for other applications.
  • Scaling of the remote desktop (viewer for Windows and Java viewer). You can view the remote desktop in whole on a screen of smaller size, or you can zoom in the picture to see the remote screen in more details.
  • Efficient “Tight” encoding with optional JPEG compression. New Tight encoding is optimized for slow and medium-speed connections and thus generates much less traffic as compared to traditional VNC encodings. Unlike other encodings, Tight encoding is configurable via compression levels and JPEG image quality setting.
  • Enhanced Web browser access. TightVNC includes a greatly improved Java viewer with full support for Tight encoding, 24-bit color mode, and more. The Java viewer applet can be accessed via built-in HTTP server like in the standard VNC.
  • Support for two passwords, full-control and read-only. The server allows or disallows remote keyboard and mouse events depending on which password was used for authentication.
  • Automatic SSH tunneling on Unix. The Unix version of TightVNC Viewer can tunnel connections via SSH automatically using local SSH/OpenSSH client installation.
  • And more. TightVNC includes a number of other improvements, performance optimizations and bugfixes, see change logs for more information.
TightVNC Java Viewer is a program able to view and control TightVNC and VNC servers. Like a normal VNC viewer, it shows the remote desktop and allows to operate with your local mouse and keyboard as if they were directly connected to the remote computer. It can be used either as a standalone program, or as an applet embedded in a Web page.

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