OpenSimulator - User contributions [en]

Configuration

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== Database ==

Opensim supports the following database-engines. Information about setting these up can be found in the OpenSim.ini.example file and the other various example files in bin/config-include. See [[Database Settings]] to know the detailed settings for each database.

*'''SQLite''' (default) - a lightweight database that comes bundled with OpenSim and can be used without requiring any extra configuration. It is mostly intended to get you up and running quickly, not for production use. It is significantly slower than MySQL. A few features here (such as attachment persistence) have not yet been fully implemented.

*'''MySQL 5.1''' (fully supported) - This is the recommended database for any use beyond experimentation or small standalone applications.
::*'''OpenSim 0.7.1:''' It supports MySQL 5.5 out of the box.
::*'''Windows x64 systems:'''  There is currently an unresolved [http://opensimulator.org/mantis/bug_view_advanced_page.php?bug_id=5294 bug_id=5294] found when running OpenSim with MySQL 5.5 on Windows x64 systems.
::*'''Opensim 0.7.0.2:'''  Some users have reported problems with MySQL 5.1.55 and up with Opensim 0.7.0.2, see [http://opensim-users.2152040.n2.nabble.com/OpenSim-1-7-0-2-and-MySQL-Versions-td6155064.html this thread] for more information. The issue can be resolved by using an updated version of MySql.Data.dll OR installing an older version of MySQL such as [http://downloads.mysql.com/archives.php?p=mysql-5.1&v=5.1.52 MySQL 5.1.52] with Opensim version 0.7.0.2.  

*'''MSSQL''' (partially supported) - some recent OpenSim features may not yet be implemented.

==Standalone vs. Grid==
We recommend that you first get OpenSim running in standalone mode before you attempt to connect it to a grid or run your own grid. OpenSim will start up in standalone mode out-of-the-box on the binary distributions.

An OpenSim configuration consists of regions (run by region simulators) and backend data services (such as user, assets and inventory management).

A system running in '''standalone mode''' runs both the region simulator and all the data services in a single process when you run OpenSim.exe. In this mode you can run as many regions as you like but only on a single machine.

[[image:Opensim-standalone.png|frame|center|OpenSim running in standalone mode. Both simulator and services run in the same process (OpenSim.exe).]]

In '''grid mode''', the data services are not part of the region server process. Instead, they are run in a separate executable called Robust.exe. A Robust shell can run all the services or they can be split amongst any number of Robust instances. This allows them to be run on entirely separate machines if necessary. In this mode, the OpenSim.exe acts solely as the region server, serving one or more regions that communicate with the separate data services. At this point you can run multiple OpenSim.exe region simulators on different machines.

[[image:Opensim-grid-simple.png|frame|center|OpenSim running in grid mode. In this case, all the services are being run within a Robust.exe process. Multiple copies of OpenSim.exe (usually running on different machines) all use the same set of common services.]]

Running in grid mode is more complicated than running in standalone mode. It requires an understanding of UUID, X,Y location, server handshake passwords, estates and estate owners, and a couple of other settings. These require more care and patience to set up. We strongly recommend that you don't attempt this unless you are extremely patient and very technically proficient.

= Running OpenSim in Standalone mode =
Getting a binary distribution of OpenSim running in standalone configuration is relatively straightforward since it's configured this way by default. On the other hand, if you build OpenSim from the source distribution or from the git repository then you will need to:

# Copy the bin/OpenSim.ini.example file to bin/OpenSim.ini. This configures the 3D simulator itself.
# Copy the bin/config-include/StandaloneCommon.ini.example file to bin/config-include/StandaloneCommon.ini. This configures the in-process data services used by the standalone configuration.
# In the [Architecture] section of OpenSim.ini at the bottom of the file, uncomment the Standalone.ini line. To uncomment a line of code, remove the semi-colon (;) comment symbols preceding the line so that it says:

Include-Architecture = "config-include/Standalone.ini"

Running OpenSim is then a matter of launching OpenSim.exe. However, you need to have installed all dependencies before that. See [[Dependencies]] for details. After that, open a command prompt (for Windows users, Start menu > Run > cmd) and navigate to the Opensim /bin directory.

On a '''Windows 32-bit''' command prompt:
OpenSim.exe
Under '''Windows 64-bit''', ODE cannot yet be compiled for 64 bit mode, so if using the default ODE physics plugin run:
OpenSim.32BitLaunch.exe
On '''Linux''' run:
mono OpenSim.exe
This can be done under both 32 and 64 bit modes with the ODE physics engine.

== Running OpenSim for the first time ==

If you're running OpenSim for the first time, it will ask you several questions at the console that will set up a single region for you. The configuration options you enter will be written to the bin/Regions/Regions.ini file, which you can then edit at a later date if you need to make changes.

Many of the questions have defaults. Here are some explanations of the questions asked:

* '''New region name'''
::The name for your region. Don't leave this blank!
* '''Region UUID'''
::The unique ID of your region. In pretty much all cases you will want to accept the randomly generated default in the square brackets. The only time when you wouldn't is if you were trying to set up a configuration to point to pre-existing region data. But in this case you are probably better off editing the Regions.ini file directly anyway
* '''Region Location'''
::This is the location of the region on the grid. In standalone mode you can safely leave these as the default (1000,1000). If you were to set up additional regions later on in Regions.ini then they would need different grid co-ordinates (e.g. 1000,1001). OpenSim regions can be placed anywhere on a 65536 by 65536 grid, but [[Hypergrid]] enabled regions may need special consideration for region location. See [[Installing_and_Running_Hypergrid#The_4096_Regions_Limit]] for more information.
* '''Internal IP address'''
::In virtually all cases this can be left as 0.0.0.0 (this is a wildcard that allows OpenSim to listen for UDP connections on any of the server's network interfaces). If you want to restrict UDP connections to only one network interface then you can specify an explicit IP address. This address is only used internally - the '''External host name''' is the one that is actually passed to the viewer (and hence is the important one).
* '''Internal port'''
::This is the IP port for all incoming client connections. The name is a bit misleading since it will be used externally (by a Second Life viewer, for instance) as well as internally. You can make this any port you want, but it is safe to leave at the default 9000. Each region on your server must have a unique port.
* '''Allow alternate ports'''
::This is currently experimental. Please leave it at the default of False.
* '''External host name'''
::If you leave this at the default 'SYSTEMIP' then this will become the LAN network address of the machine (e.g. 192.168.1.2). This is fine if you are connecting only from within your LAN. If you want to connect to it from a client on the internet, this should be the External IP Address of your router. Fully Qualified Domain Names (FQDNs) can also be used though they will be converted to a numeric IP address before being sent to the viewer.

The following details are also asked in OpenSim 0.6.9 and earlier.

* '''Master Avatar UUID'''
::This is a legacy OpenSim feature and can be left at the default of 00000000-0000-0000-0000-000000000000. Later on, you may want to change this to your own avatar's UUID in Regions.ini if you have problems editing terrain.
* '''Master Avatar first name'''
::This is an alternative way of specifying the master avatar by avatar name rather than UUID. If you press enter here then both this field and the last name field will be left blank. Accepting the blank default is fine - this can always be changed later in Regions.ini file.
* '''Master Avatar last name'''
::The last name of the master avatar.
* '''Master Avatar sandbox password'''
::The password of the master avatar.

In OpenSim 0.7 and later, OpenSim will ask you to assign each region to an estate during the setup process. If an estate needs to be created then it will also ask you to assign an estate manager. In standalone mode, an estate manager can also be created during the setup process.

Don't forget the account details you use to set up the master avatar (in 0.6.9) or the estate manager (in 0.7 and later). Only this user will initially be able to configure the in-world settings for your region. This is also a user account that you can use to perform your initial login test.

See [[Configuring Regions]] for more information about the Regions.ini file that these questions generate.

If you want to create a user other than the estate manager, then in the server console type:

create user

This will ask you a series of questions for creating a user (such as first name, last name and password).

== Connecting to OpenSim ==

To connect to your new sim with your user, start up a Second Life viewer with the following command line switches:

'''Client on same machine as OpenSim:'''
-loginuri http://127.0.0.1:9000

'''Client on same LAN as OpenSim:'''
-loginuri http://lan_ip:9000

'''Client on different machine or internet:'''
-loginuri http://external_ip:9000

Then enter the user name and password you set up in the previous step and your new user should login.

Be aware of [http://osgrid.org/forums/viewtopic.php?f=5&t=400&start=0&st=0&sk=t&sd=a loopback] problems when Running viewer & server(s) on the same machine (LAN) by using the "external" configuration. ('''You might notice endless waiting for region handshake'''.) See also [[Troubleshooting|troubleshoot hints]]. If you're having Connectivity problems, [[Network_Settings|be sure to read the Network Configuration Page]]. This is important if you see Region handshake issues

= Running OpenSim in Grid mode =
{|
| style="background:LavenderBlush; color:black" |
[[Image:Exclamation.png|left]]
NOTE: 0.7 is the first OpenSim release that fully migrates all services to the ROBUST server shell. OpenSim.Grid.UserServer.exe and MessageServer.exe from OpenSim 0.6.9 are no longer necessary. Please see the [[0.7_Release|0.7 release notes]] for more details. For details on how to set up grid services in OpenSim 0.6.9 and earlier please see [[OpenSim 0.6.9 Grid Mode Configuration]]
|}

Running OpenSim in grid mode is considerably more complicated than running a standalone instance. Instead of running everything in the same process, backend data services (asset, inventory, etc.) run in one or more separate processes, often on a different machine. This allows multiple OpenSim.exe simulator instances to use the same asset and inventory data.

== Step 1: Set up a ROBUST services instance ==

1. In the bin directory, copy Robust.ini.example to Robust.ini. The example file is configured to run all the services in a single ROBUST instance.

2. Configure the [DatabaseService] section of Robust.ini to use your MySQL database. Only MySQL is supported for running grid services.

3. Start up Robust.exe.

mono Robust.exe (Linux, BSD, Mac OS X)

or

Robust.exe (Windows)

If you don't see any errors (in red) on the console then you can move on to the next step.

4. Every region must belong to an estate, and every estate must have an owner which is a valid user account in OpenSim's user account service. Create a user on the ROBUST command console with the following command.

create user

This will ask you for the user's name, password and an optional e-mail. Remember this name since you will need it when you start up the simulator for the first time.

== Step 2: Configure an OpenSim.exe to use the ROBUST services ==

In grid mode, as in standalone mode, you need to configure OpenSim.ini which controls the 3D simulator itself.

However, instead of using and configuring the file config-include/StandaloneCommon.ini, a simulator connecting to a grid needs to use and configure the config-include/GridCommon.ini file, in order to connect to the ROBUST hosted remote data services rather than in-process local ones.

The steps for both these operations are as follows.

1. Copy bin/OpenSim.ini.example to OpenSim.ini

2. Find the [Architecture] section at the very bottom of OpenSim.ini. Make sure that one of the following lines is uncommented:

Include-Architecture = "config-include/Grid.ini" (in OpenSim 0.7.1 and later)

or

Include-Grid = "config-include/Grid.ini" (in OpenSim 0.7.0.2 and earlier)

The others should remain commented.

3. Go to bin/config-include and copy GridCommon.ini.example to GridCommon.ini.

4. Open GridCommon.ini in a text editor. You will see lots of URL entries, each of which have dummy defaults of http://myassetserver.com:8003, http://myinventoryserver.com:8003, etc. You will need to change each of these to point towards the address of your ROBUST instance. For instance, if you're running ROBUST on a machine with a local IP address of 192.168.1.2, you will need to change AssetServerURI to the setting

AssetServerURI = "http://192.168.1.2:8003"

5. Run OpenSim.exe. If you're running OpenSim.exe for the first time you will get the same questions about setting up the region that occur on a first-run in standalone mode. Please see the standalone section for instructions on how to answer these, or read more information about the Regions.ini file on the [[Configuring Regions]] page.

If everything is set up correctly, when starting up OpenSim.exe you shouldn't see any errors. You should also see the ROBUST console display log lines saying that the region has registered with the grid service. For example,

21:43:45 - [GRID SERVICE]: Region t1 (176cc95e-f693-4b02-8e08-af86e2372faa) registered successfully at 256000-256000
21:43:47 - [GRID SERVICE]: region t1 has 0 neighbours

6. Login with a client. Your client startup line will look something like

-loginuri http://192.168.1.2:8002

The loginuri needs to be the address to the login service. In standalone mode, this was the same address as the region simulator and the port was 9000 by default. However, in grid mode it will be the address to login service hosted on the ROBUST instance. In this case, the address will be 192.168.1.2. The port number of 8002 is the traditional one for the grid login service and is the default in Robust.ini.example.

7. If the login is successful, you will see log lines on the ROBUST console (for the login itself) and then log lines on the region simulator console (as the login process tells the simulator to expect the avatar, tells the viewer the address of the region simulator and then when the viewer starts talking to the simulator directly).

==Attaching your sim to someone else's grid==

To set up the region server (i.e., <tt>OpenSim.exe</tt>) to connect to an external grid, follow the [[Configuration#Step_2:_Configure_an_OpenSim.exe_to_use_the_ROBUST_services]] instructions above.

The grid will have already provided with the required services. In step 2 you will need to use the provided URLs for their services.

In your bin/Regions.ini file (or other region config file) you will also need to set the grid co-ordinates to your regions provided from the grid operator. See [[Configuring Regions]] for more information.

=Running an OpenSim standalone or grid installation with Hypergrid enabled=
[[Hypergrid]] is an emerging architecture supported by OpenSimulator that allows a user with an account on one standalone or grid to visit other Hypergrid-enabled standalones or grids, and for users from those grids to visit the home grid. This does not require the two installations to share a central set of data services (assets, inventory, etc.). Please see [[Installing and Running Hypergrid]] for more details.

=Further notes=

==Troubleshooting==

See [[Troubleshooting]]

==Running OpenSim 0.6.7 and onwards in 64 bit Windows==
[[Image:Exclamation.png|left]]
As of OpenSim 0.6.7, the default physics engine for OpenSim was changed to the ODE engine. This is because ODE is by far the most advanced physics engine plugin currently in OpenSim. Unfortunately, it has the drawback in that its library is not compilable under 64-bit in Windows.

Therefore, in order to launch the region simulator, 64-bit Windows users may need to run:

OpenSim.32BitLaunch.exe

instead of:

OpenSim.exe

An alternative is to use the basicphysics engine instead or one of the other alternative physics engines bundled with OpenSim, though all these are far less functional than the ODE plugin.

==Note About Mono==

''This only applies for Mono before 2.6. More recent versions of Mono have better thread handling. For more information, see [http://www.mono-project.com/ThreadPool_DeadLocks ThreadPool_Deadlocks at the mono-project website].''

If you're using mono, you should increase the value of the mono environment variable MONO_THREADS_PER_CPU from its default of 5 to some number that works for your sim. The exact number depends on many factors including: the number of CPUs in your machine, what else you use that machine for, how many regions you have in your sim, how many of them are adjacent, how many scripts you have, and how many avatars you expect to serve at the same time. As a reference, Wright Plaza in OSGrid, which is running as a single region on a sim and routinely hosts meetings with 20 avatars, uses the value 125.

If this number is too low, the operation of your sim will start to break in all sorts of different ways. A common symptom is the freezing of all activity upon login of a new avatar. Other symptoms are a lot more subtle.

For example: $ export MONO_THREADS_PER_CPU=125

==Increasing the stack reserve level when using OpenDynamicsEngine on *nix==

If you have problems using the OpenDynamicsEngine on *nix, try setting your stack reserve level higher than the default with the following command;
<tt>ulimit -s 262144</tt> Or, run the opensim-ode.sh to start up OpenSimulator.

== Firewalls ==
Some operation systems or distributions run their own firewall by default. If you can't access to OpenSimulator from remote client, you'll need to check their settings. See [[Firewall Settings]] for details.

== Legacy Configuration Information ==
These are some pages containing some legacy configuration information of unknown accuracy.

[[OpenSim 0.6.6 legacy configuration information]]

== Additional Optional Configuration Tasks ==

===Further configure OpenSim===
If you've looked through OpenSim.ini.example or any other of the config files, you'll see that there's a very large number of configurable parameters. See [[Configuring Simulator Parameters]] for more details.

===Set up a second region to run on the same simulator===
See [[Configuring Regions]].

=== Run Multiple Standalone Instances of OpenSim on the Same Server ===
For each subsequent instance of OpenSim, change the 'http_listener_port' in OpenSim.ini to the value excluding 9000, and 'InternalPort' in Regions.ini to the value excluding 9000. Also, make sure your regions are using different ports, as explained in [[Configuring Regions]].

=== Load region content ===
You can load content onto regions by using the [[OpenSim Archives|load oar command]]. To load individual OAR files into each region, use the 'change region [regionname]' command and then 'load oar [oar-location]'.

===OpenSim.exe command line options===
OpenSim.exe has command line options which allow you to perform actions such as reading configuration files from a different directory. See [[OpenSim.exe Command Line Options]] for more details.

===Script engine===
OpenSim supports multiple script engines. See [[ScriptEngines]] for details. If you don't know what this means then the default script engine will be fine. In fact, recent versions of OpenSim only ship with one script engine, the XEngine.

===Permissions Configuration===
OpenSim has a quite elaborate set of permissions. See [[Permissions (Server)]] for details. By default, permissions are active on region simulators.

=== Logging ===
By default, OpenSim logs information to a file called OpenSim.log in the bin directory. See [[Logging]] for details on how to further configure this if required.

=== Configuration of region modules ===
* [[IRCBridgeModule]]
* [[Freeswitch_Module]]
* [[Offline Messaging]]

=== Configuration of Web Server and Pages===
OpenSim contains a web server that can serve up a variety of pages. Some which come from external files and some are generated internally.
* [[External Files]]
* [[Internally Generated]]

= Where to go from here =

*[[Upgrading]] to mySQL from SQLite.

*[[Server Commands]] for creating users and controlling the system.

*Fix the bent knees bug: [[FAQ#Why_are_my_knees_bent_when_I_stand_idle.3F]]

=References=

* [http://dist.opensimulator.org/wiki/opensim-standalone.odg OpenOffice draw file for OpenSim standalone diagram]
* [http://dist.opensimulator.org/wiki/opensim-grid-simple.odg OpenOffice draw file for OpenSim grid diagram]

[[Category:Configuration]]

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== Textures ==

Textures are images used to cover surfaces of 3d models and terrain. Textures can be anything form 1x1 to 1024x1024 images. Most of the textures for buildings, items and clothes are usually 512x512.

=== Best Practices ===

=== Guides ===

* Creating tileable textures: http://www.gfxartist.com/features/tutorials/740
* [http://robynhuffaker.com/sculptblender/2010/03/20/creating-and-using-shadow-maps/ Creating and Using Shadow Maps] by Robyn Huffaker

=== Tools ===

* [http://www.gimp.org/ GIMP] - GIMP is the GNU Image Manipulation Program.

=== Examples ===

=== Projects ===

=== Content Libraries ===
* [http://torley.s3.amazonaws.com/Torley-Textures.zip Torley Textures] is a collection of over 600 textures by Torley Linden.

== Models ==

Models are 3 dimensional objects which are formed from faces and textures. Models come in many flavors but currently OpenSimulator supports parametrized primitives and sculpted primitives. Parametrized primitives can be created in world with build functionality. Sculpted primitives are defined by a special bitmap image which can be created with 3d modeling programs which support sculptures.

Yet unsupported in core OpenSimulator are 3d models which can be created with 3d modeling softwares like Blender and be saved in various formats, also known as Mesh. RealXtend module to OpenSimulator already supports 3d models.

=== Best Practices ===

=== Guides ===
* [http://robynhuffaker.com/sculptblender/tutorial/ Learn to Make Second Life Sculpties in Blender] by Robyn Huffaker

=== Tools ===

* [http://www.blender.org/ Blender] - Blender is the free open source 3D content creation suite, available for all major operating systems under the GNU General Public License.
* [http://www.wings3d.com/ Wings 3d] - Sculpty editor
* [http://www.qavimator.org/ Qavimator] - Animation for OpenSim avatars

=== Examples ===
[[Image:Biped.jpg]]

=== Projects ===

* [[OpenSimulator Avatar]]

=== Content Libraries ===

== Terrain ==

Currently OpenSimulator terrains consists of heightmap and textures for different directions and heights. OpenSimulator terrain can be imported in raw terrain format from several terrain editor tools.

=== Best Practices ===

=== Guides ===
* [[Tips#Terrain Tidbits|Terrain Tips]]
* [[Using L3DT]]
* [[Terrain making]]
* [[Detailed cross-region terrain making]]

=== Tools ===

* L3DT

=== Examples ===

=== Projects ===

=== Content Libraries ===

*[[Free Terrains]]

 

=== Additional Terrain Resources ===

'''TERRAIN EDITING'''

There is now a Plugin made and available for the free program GIMP by Domino Designs which is easy to install and allows you to bring in RAW files and edit them. See http://dominodesigns.info/project/gimpterrain

GIMP is available free and downloadable at http://www.gimp.org/downloads/
GIMP is available for most Operating Systems and Platforms and is User Supported with many features and functions far beyond Terrain Editing.

'''REFERENCES / SUPPLEMENTAL SOURCES amd APPLICATIONS:'''
[[Tweaking]] Tutorial: Creating OpenSim terrain with Blender http://stringofbits.net/2009/09/tutorial-creating-opensim-terrain-with-blender

Some free and some non-free terrains at http://www.rexxed.com/category/terrain

Tutorial on [http://tgib.co.uk/2010/05/07/how-to-create-raw-terrain-files-for-second-life-and-opensim-with-terragen/ creating terrain files with Terragen] as well as [http://tgib.co.uk/2010/06/05/how-to-create-megaregion-terrain-raw-files-for-second-life-and-opensim/ using Photoshop to edit terrain files and create megaregion terrain] with a library of [http://tgib.co.uk/category/creations/terrain-creations/ free terrain files]

Spinmass Virtual Creations, has two products for terrain making and generation which are free downloads. Look at Terrain Sculptor and Bailiwick. They are available from http://www.spinmass.com

'''Three easy to use Online Image Splitters'''

* http://www.chami.com/html-kit/services/is
* http://www.sliceimage.com
* http://www.makeuseof.com/dir/online-image-splitter

== Sounds ==

Sounds clips can be used within (scripted) objects and as part of gestures. Current OpenSimulator sound formats are PCM WAVE (.wav) 16-bit/44.1KHz/mono or stereo with a maximum length of 10.00 seconds.

=== Best Practices ===

=== Guides ===

=== Tools ===

* [http://audacity.sourceforge.net/ Audacity] - Audacity® is free, open source software for recording and editing sounds. It is available for Mac OS X, Microsoft Windows, GNU/Linux, and other operating systems.

=== Examples ===

=== Projects ===

=== Content Libraries ===

* [http://www.freesound.org/ The Freesound Project] - The Freesound Project is a collaborative database of Creative Commons licensed sounds.

== Music ==

Music can be played via parcel media as either streamed or from a single music file.

=== Best Practices ===

=== Guides ===

=== Tools ===

=== Examples ===

=== Projects ===

=== Content Libraries ===

* [http://www.jamendo.com/ Jamendo] - Jamendo is a community of free, legal and unlimited music published under Creative Commons licenses.

News

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==Press==

===February 2010===
*[http://chronicle.com/article/After-Frustrations-in-Second/64137/ 14 Feb 2010 - After Frustrations in Second Life, Colleges Look to New Virtual Worlds]
===January 2010===
*[http://blog.genkii.com/2010/01/13/sparkle-im-1-3-4-released/ 13 Jan 2010 - iPhone App Sparkle IM 1.3.4 released which supports OpenSim grids]
*[http://realxtend.blogspot.com/2010/01/naali-01-released.html 01 Jan 2010 - RealXtend releases first RC for naali, the realXtend and OpenSimulator Viewer]
===November 2009===
*[http://www.hypergridbusiness.com/2009/11/opensim-in-intel-spotlight/ 18 Nov 2009 - OpenSimulator in Intel Spotlight, Intel CTO Justin Rattner introduced OpenSim and ScienceSim at SC09 Super Computing Conference]
===September 2009===
*[http://www.businesswire.com/portal/site/home/permalink/?ndmViewId=news_view&newsId=20090930005401&newsLang=en 30 Sept 2009 - 3Di Releases Open Source, web based viewer called Rei]
===January 2009===
*[http://blogs.intel.com/research/2009/01/sciencesim.php 29 Jan 2009 - Intel Research Launches ScienceSim based on OpenSimulator]
===September 2008===
*[http://www-03.ibm.com/press/us/en/pressrelease/25038.wss 03 Sep 2008 - Made in IBM Labs: IBM Moves Real-Time Communication and Collaboration Into 3-D (integrated with OpenSim)]
===February 2008===
* [http://www-03.ibm.com/press/us/en/pressrelease/23565.wss 21st Feb 2008 - Made in IBM Labs: IBM 3-D Data Centers Show Virtual Worlds Fit for Business]
* [http://www.realxtend.org/realxtend_opensim_release_15_02_2008.html 15th Feb 2008 - RealXtend joins OpenSim: Team up to make open source Virtual World standard]
* [http://www.ngigroup.com/jp/press/2008/02/001264.html 5th Feb 2008 - 3Di, Inc. Creates Voice Communication Function for Its Virtual World Application "Jin-sei"]
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==RSS Feeds==
<rss>http://planet.opensim.us/rss20.xml|max=5|short|filter=opensim</rss>
<rss>http://feeds.technorati.com/search/opensim?language=en|max=5|short</rss>
<rss>http://feeds.technorati.com/search/opensim?authority=n&language=pt|max=5|short</rss>
<rss>http://feeds.technorati.com/search/opensim?authority=n&language=es|max=5|short</rss>
<rss>http://feeds.technorati.com/search/opensim?authority=n&language=fr|max=5|short</rss>

==Blogs==
* [http://www.worldsimterra.com WorldSimTerra (Português, English, Español)]
* [http://www.adamfrisby.com/blog/2008/08/resources-for-running-your-own-opensim Adam's OpenSim resources blog post] - a list of resources for running OpenSim
* [http://rock-vacirca.blogspot.com Rock Vacirca's Blog] - lots of tutorials, not only on OpenSim, but on MySQL, Hippo, Second Inventory, etc
* [http://justincc.wordpress.com justincc's blog] - A blog with a weekly OpenSim development update and regular articles on various OpenSim topics.
* [http://lbsa71.net/category/opensim/ lbsa71.net] - tidbits from an OpenSim developer.
* [http://imohax.com Mo Hax] - posts and videos about OpenSim and Second Life from beginner perspective, focus on content previewing and educational use
* [http://www.metaverse3d.com/tag/opensim/ Metaverse3d] - French blog about metaverse and OpenSim.
* [http://www.subwereld.nl/ Subwereld] - A Dutch weblog about the OpenSimulator Project, the virtual world grids and OpenSim tools.
* [http://maxping.org/ Maxping] - A web magazine that writes about open source virtual worlds.
* [http://blog.cyberlandia.net/ Cyberlandia Blog] - Italian blog about Opensim, hypergrid and virtual worlds
* [http://b5od.com/?tag=/opensimulator b5od Teravus Misc Blog] - Teravus' technology blog about .NET, OpenSimulator, Security and other topics (OpenSimulator Tag)

Main Page

2011-09-16T01:39:01Z

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=== Features ===

* Supports online, multi-user 3D environments as small as 1 simulator or as large as thousands of simulators.
* Supports 3D virtual spaces of variable size within one single instance.
* Supports multiple clients and protocols - access the same world at the same time via multiple protocols.
* Supports realtime Physics Simulation, with multiple engine options including ODE.
* Supports clients that create 3D content in real time.
* Supports inworld scripting using a number of different languages, including LSL/OSSL, C# and VB.NET
* Provides unlimited ability to customize virtual world applications through the use of [[IRegionModule|scene plugin modules]].

For a more extensive list, see the [[Feature Matrix]].

=== Running an OpenSimulator-Based World ===

*[[Download|Downloading OpenSimulator]]
*[[Dependencies|Required Modules]]
*[[Build Instructions|Building OpenSimulator]]
*[[Configuration|Configuring and Running OpenSimulator]]
*[[Server Commands]]
*[[FAQ|Frequently Asked Questions in Running OpenSimulator]]
*[[:Category:Tech Reference|Technical Reference Pages]]

=== Participating in the OpenSimulator Community ===
OpenSimulator is an [http://en.wikipedia.org/wiki/Open_source open source] project, and is powered by the community members that devote time and energy to the effort. There are many ways to participate and contribute to the community:
* Participate via [http://en.wikipedia.org/wiki/Internet_Relay_Chat IRC] - [irc://irc.freenode.net/opensim #opensim] (for users), [irc://irc.freenode.net/opensim-dev #opensim-dev] (for developers) and [irc://irc.freenode.net/opensim-scripts #opensim-scripts]
* Participate via the [[Mailing Lists]]. There are mailing lists for OpenSim use and development, as well as broader topics such as education and HyperGrid.
* [[WikiStructure|Contribute to this wiki]], making the OpenSimulator documentation even better.
* Report [[bugs]], submit [[Submitting_code_to_OpenSim|patches]] or submit content contributions via our [http://opensimulator.org/mantis/ mantis bug tracker]
* Create an OpenSimulator related project hosted on the [http://forge.opensimulator.org Forge] or [[Related_Software|elsewhere]] on the web. In the forge there are over a dozen registered projects, and it's a great way to further extend the OpenSimulator community.
* Participate to open content creation for OpenSimulator. More details at [[Artist Home]].
* Blog about OpenSimulator, and let us know about that blog on [irc://irc.freenode.net/opensim #opensim] so it can be added to [http://planet.opensim.us Planet OpenSim]
* Participate in one of the weekly [[Office Hours]] for OpenSimulator. We currently have weekly office hours for development, wiki work, and testing.
Make sure to read through [[Contributions Policy]] before starting participation. It has the policy, guidelines, and licensing conditions for the OpenSimulator project.

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[[Category:Getting Started]]
[[Category:Development]]
[[Category:Support]]
[[Category:Help]]
[[Category:Configuration]]
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