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Welcome to OpenSimulator (OpenSim for short)!

Overview

OpenSim is a BSD Licensed Open Source project to develop a functioning virtual worlds server platform capable of supporting multiple clients and servers in a heterogeneous grid structure. OpenSim is written in C#, and can run under Mono or the Microsoft .NET runtimes.

This is considered an alpha release. Some stuff works, a lot doesn't. If it breaks, you get to keep both pieces.

Compiling OpenSim

Please see BUILDING.md

Running OpenSim on Windows

You will need dotnet 6.0 runtime (https://dotnet.microsoft.com/en-us/download/dotnet/6.0)

To run OpenSim from a command prompt

  • cd to the bin/ directory where you unpacked OpenSim
  • review and change configuration files (.ini) for your needs. see the "Configuring OpenSim" section
  • run OpenSim.exe

Running OpenSim on Linux/Mac

You will need dotnet 6.0 runtime for linux or Mac (https://dotnet.microsoft.com/en-us/download/dotnet/6.0)

To run OpenSim, from the unpacked distribution type:

  • cd bin
  • review and change configuration files (.ini) for your needs. see the "Configuring OpenSim" section
  • run ./opensim.sh

Configuring OpenSim

When OpenSim starts for the first time, you will be prompted with a series of questions that look something like:

[09-17 03:54:40] DEFAULT REGION CONFIG: Simulator Name [OpenSim Test]:

For all the options except simulator name, you can safely hit enter to accept the default if you want to connect using a client on the same machine or over your local network.

You will then be asked "Do you wish to join an existing estate?". If you're starting OpenSim for the first time then answer no (which is the default) and provide an estate name.

Shortly afterwards, you will then be asked to enter an estate owner first name, last name, password and e-mail (which can be left blank). Do not forget these details, since initially only this account will be able to manage your region in-world. You can also use these details to perform your first login.

Once you are presented with a prompt that looks like:

Region (My region name) #

You have successfully started OpenSim.

If you want to create another user account to login rather than the estate account, then type "create user" on the OpenSim console and follow the prompts.

Helpful resources:

Connecting to your OpenSim

By default your sim will be available for login on port 9000. You can login by adding -loginuri http://127.0.0.1:9000 to the command that starts Second Life (e.g. in the Target: box of the client icon properties on Windows). You can also login using the network IP address of the machine running OpenSim (e.g. http://192.168.1.2:9000)

To login, use the avatar details that you gave for your estate ownership or the one you set up using the "create user" command.

Bug reports

In the very likely event of bugs biting you (err, your OpenSim) we encourage you to see whether the problem has already been reported on the OpenSim mantis system.

If your bug has already been reported, you might want to add to the bug description and supply additional information.

If your bug has not been reported yet, file a bug report ("opening a mantis"). Useful information to include:

  • description of what went wrong
  • stack trace
  • OpenSim.log (attach as file)
  • OpenSim.ini (attach as file)

More Information on OpenSim

More extensive information on building, running, and configuring OpenSim, as well as how to report bugs, and participate in the OpenSim project can always be found at http://opensimulator.org.

Thanks for trying OpenSim, we hope it is a pleasant experience.