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53 lines
2.4 KiB
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53 lines
2.4 KiB
Markdown
# Chat, VoIP and social network with <img src="/images/XMPP_logo.png" width=100>
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YunoHost comes installed with an instant messaging server Metronome which implements the [XMPP protocol](https://en.wikipedia.org/wiki/Extensible_Messaging_and_Presence_Protocol).
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XMPP is an open and extensible protocol which allows to create chatrooms, to share status and data, to give calls in VoIP and videoconferences.
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All applications based on XMPP are compatible with each other : when using an XMPP client, you can interact with anybody who has an XMPP/Jabber account. This protocol is already used by millions of people around the world.
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### XMPP/Jabber account
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An XMPP/Jabber account is based on an identifier with the structure `user@domain.tld`, and a password.
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In YunoHost, this identifier simply corresponds to the main email address of a user, with his regular password.
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### Connecting to XMPP
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There are several web client built with social network features :
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- [Movim](https://pod.movim.eu)
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- [Libervia/Salut à Toi](http://salut-a-toi.org/).
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You can also use a desktop client such as :
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- [Pidgin](http://pidgin.im/) (multiplatform),
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- [Gajim](http://gajim.org/) (Linux),
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- [Dino](https://dino.im) (Linux),
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- [Thunderbird](https://www.thundebird.net/) (multiplatform),
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- [Jitsi](http://jitsi.org/) (multiplatform)
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- [Adium](https://adium.im/) (Mac OS).
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... or a mobile client
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* [Xabber](http://xabber.com) (Android)
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* [Conversations](https://conversations.im/) (Android)
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* [Movim under Android](https://movim.eu)
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* [Monal](https://itunes.apple.com/us/app/monal-free-xmpp-chat/id317711500?mt=8) (iOS)
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Here is an exhaustive list of XMPP clients : https://en.wikipedia.org/wiki/Comparison_of_XMPP_clients
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### Encrypt conversations with OMEMO
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XMPP chats can be encrypted with the help of [OMEMO](https://xmpp.org/extensions/xep-0384.html), for instance using Gajim :
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* Install `gajim` and the plugin `gajim-omemo`
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* Enable the plugin in `Tools > Plugins`
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* Enable it
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* Enable the encryption in the chat with somebody who also has OMEMO
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### Chatrooms
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To create a chatroom (multi-user chat) on your YunoHost server, use the identifier `chatroomname@muc.yourdomain.tld`.
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For this to workm you need to [add the corresponding `muc.` DNS record](dns_config_fr) in the DNS configuration.
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### VoIP and visioconferences
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A practical tool to call an XMPP client, either with voice or voice+video, is to use the client [Jitsi](http://jitsi.org/).
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