Jul 20, 2023

Captures a VNC desktop session and saves as a flv

Vnc2flv is a cross-platform screen recording tool for UNIX, Windows or Mac. It captures a VNC desktop session either your own screen or a remote computer and saves as a Flash Video FLV file.

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One of the most interesting pieces of software in the deskutils category of FreeBSD software is the VNC2FLV. VNC2FLV is an nifty tool that enables you to record a VNC session and save it as a Flash Video FLV file. This tool can be effectively used for creating tutorials, presentations, documenting issues and a wide range of other applications.


VNC Virtual Network Computing is a remote desktop protocol that allows you to control another computer remotely. FLV Flash Video file is a popular video format that can be played in most web browsers. Hence, a recorded VNC session can be easily reviewed and-shared using any standard video player. The central purpose of VNC2FLV is to bridge these two technologies.


Like other FreeBSD software, VNC2FLV can be installed via the ports collection. The ports collection is a user-friendly system for installing software as it automatically fetches the software’s source code, resolves its dependencies, compiles it and installs the resulting binaries. Detailed instructions for using the ports collection can be found [here]https//

To install VNC2FLV, navigate to the appropriate directory in the ports collection and type

cd /usr/ports/deskutils/vnc2flv/
make install clean


Once VNC2FLV is installed, you can start recording a VNC session by specifying the VNC server’s hostname and the file name where you want to save the video. For example, the below command will record a VNC session from the server vnc-server on display number 1 and save it as myfile.flv. -o myfile.flv vnc-server1

If your VNC server requires a password, you can pass it as a command line argument -o myfile.flv -P password.txt vnc-server1

Note The password should be stored in a text file and not be passed directly on the command line to prevent system users from seeing it in the process list.


Here are some reasons why you might want to use VNC2FLV

  • Documenting Issues When encountering an issue on a remote server, it can be effectively documented by recording the issue and sharing it with colleagues or support teams who can review these recordings and suggest solutions.

  • Creating Tutorials If you are a FreeBSD enthusiast who likes to share knowledge, you can create video tutorials that visually demonstrate how to use specific FreeBSD tools. These tutorials can be easily streamed online or shared with other members of the FreeBSD community.

  • Simplifying Trouble Diagnosis In complex systems, some errors might only occur in unique, hard-to-replicate circumstances. Recording these sessions can allow system administrators and support teams to replay these scenarios and investigate issues in depth.

In summary, the VNC2FLV port in FreeBSD is a powerful tool that opens up several possibilities in terms of recording, documenting, and communicating information more effectively. Other valuable FreeBSD ports that should have your attention in the IT security realm include nmap, a premier open-source tool for network exploration and security auditing, which you can find on [our website]https//

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