Operating systems. OpenMeetings can run on all widely used operating systems, namely Linux, Windows, and macOS.

Network requirements for the capacity vary greatly depending on web meeting type: a webinar with one or two speakers and listeners, or a workshop for 20 people. To estimate the server and client bandwidths' requirements, the appropriate network bandwidth calculator exists. It enables to select video resolution used by the participants, number of participants with and without video. Based on these parameters user gets a recommendation about the channel width both for server and for participants.

How to install and begin to use OpenMeetings

Any of databases listed above should be installed on the server (except Derby, which is included in the distribution). Operating systems are listed in the item above. Red5 and Tomcat are included in the OpenMeetings distribution.

As a server hardware, it is desirable to use a server with a multi-core processor (at least dual-core) and at least 4 GB of RAM. Disk space without storing video will take about 2GB, however, if you intend to make video recordings, then you need to provide enough disk space for their storage and processing. For example, an hour video with a resolution of 640x480 px requires approximately 500MB.

On a client machine, any browser supporting Flash extension is needed to work with OpenMeetings. And to use the "Record" or "Shared Screen" functions, you will additionally need to install Java version 8 or higher.

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