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1		-XWiki.rueckerc
	1	+XWiki.kahraman

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1	1	{{toc/}}
2	2
3	3
4		-= What is Matrix? =
	4	+= Establishing a Matrix Chat =
5	5
	6	+You can log in to Matrix with ITO, TUM email addresses or create an account with a different email address and use it to log in and chat with the people who have registered on the Matrix server.
6	6
7		-[[image:matrix-element-uidemo.png||alt="Matrix user interface demo" height="641" width="892"]]
	8	+There are two Matrix servers of ITO. These Matrix servers are available as web but also as client. It can be found as web interface under the following links:
	9	+
8	8
	11	+ 1 [[matrix.cit.tum.de (ITO- ID)>>url:https://matrix.cit.tum.de/#/welcome]]
	12	+ 1 [[matrix.tum.de (LRZ-TUM-ID)>>url:https://matrix.tum.de/#/welcome]]
9	9
10		-[[Matrix>>https://matrix.org/]] is a chat system very similar to E-Mail, but instantaneous and secure.
	14	+You can log in any of them with the appropriate ID and password.
11	11
12		-* You need to register an account at a provider (e.g. tum.de, or lmu.de)
13		-* Whatever your provider is, you can talk to people using other providers
14		-** (((
15		-For example {{code language="none"}}@someprofessor:tum.de{{/code}} can communicate with {{code language="none"}}@someresearcher:lmu.de{{/code}}!
	16	+
	17	+If you want to use your another email address you can create an account on [[this website>>https://app.element.io/?pk_vid=16927438994f9401#/welcome]] and then login to Matrix.
	18	+
	19	+And[[ Here>>url:https://element.io/get-started]] you can find installation for IOS, Android, Mac, Linux and Windows.
	20	+
	21	+
	22	+[[image:matrixdownload.png||height="284" width="575"]]
	23	+
	24	+
	25	+== Log in ==
	26	+
	27	+
	28	+=== Log in to the web interface with TUM login data ===
	29	+
	30	+
	31	+(% class="box" %)
	32	+(((
	33	+Webpage: https:~/~/matrix.tum.de
16	16	)))
17		-* (((
18		-In the same way you can use Outlook or Thunderbird with the same email account, you can use different Matrix apps for the same Matrix account!
19		-Several apps exist, but we're going to go with "[[Element>>https://element.io/]]" for the sake of simplicity, as it's among the most fully-featured Matrix apps on the market.
	35	+
	36	+(% class="box" %)
	37	+(((
	38	+ID: LRZ-ID (without @mytum.de or @tum.de)
20	20	)))
21	21
22		-So people have their **account on one server** but can write messages **to anyone on other servers**.
23		-
	41	+(% class="box" %)
	42	+(((
	43	+Password: LRZ/TUM Password
	44	+)))
24	24
25		-**Personal or group chats** are[[ end-to-end encrypted>>https://en.wikipedia.org/wiki/End-to-end_encryption]] and **not dependent on a central authority** like most other tools (MS Teams, WhatsApp, Zoom, ...) - anyone can host a Matrix server.
26		-All your messages are **synced** between all your devices - web clients, desktop clients, smartphone apps.
27		-For additional security, encryption keys of contacts can be verified and then stored as trusted.
	46	+[[image:tumaccountlogineng1.png||height="329" width="582"]]
28	28
29		-== Home Server ==
30	30
31		-Messages are stored and synced between home servers.
	49	+[[image:tumaccountlogineng2n.png||height="362" width="589"]]
32	32
33		-A user typically has **one account** on one homeserver.
34		-You can use any homeserver of your choice - however **for TUM**, [[ITO>>doc:CIT.ITO.WebHome]] offers two homeservers:
	51	+=== Log in to the web interface with cit.tum login data ===
35	35
36		-* **matrix.cit.tum.de** for CIT accounts: @username:cit.tum.de
37		-* **matrix.tum.de** for TUM accounts: @username:tum.de
	53	+(% class="box" %)
	54	+(((
	55	+Webpage: https:~/~/matrix.cit.tum.de
	56	+)))
38	38
39		-You only need to use one account and can communicate with any other homeserver of the world.
	58	+(% class="box" %)
	59	+(((
	60	+ID: ITO-ID (without @cit.tum.de)
	61	+)))
40	40
41		-If you don't have a CIT or TUM account, you can use a **public** homeserver instead:
	63	+(% class="box" %)
	64	+(((
	65	+Password: cit.tum Password
	66	+)))
42	42
43		-* matrix.org: [[https:~~/~~/app.element.io/#/register>>https://app.element.io/#/register]]
44		-* or any other homeserver [[https:~~/~~/joinmatrix.org/servers/>>https://joinmatrix.org/servers/]]
45		-* or, [[host your own homeserver>>https://matrix-org.github.io/synapse/latest/]] 🤩
	68	+[[image:rbgaccountlogineng1.png||height="369" width="601"]]
46	46
47		-To use your home server, you have to **use a client** that communicates with your homeserver.
48	48
49		-== Clients ==
	71	+[[image:rbgaccountlogineng2.png||height="377" width="608"]]
50	50
51		-[[Element>>https://element.io/]] is our client of choice.
52	52
53		-* [[Desktop Client>>https://element.io/download]] (easily provided in [[your Linux distribution of choice>>https://repology.org/project/element-desktop]])
54		-* In your web browser:
55		-** [[matrix.cit.tum.de>>https://matrix.cit.tum.de]]
56		-** [[matrix.tum.de>>https://matrix.tum.de]]
57		-* [[On your smartphone>>https://element.io/download]]
	74	+== Create new chat room ==
58	58
59		-(% class="wikigeneratedid" %)
60		-Make sure the **home server is set correctly** to your provider!
	76	+If you want to create a new chat room, first click the **+**-Button next to **Rooms** in the program or on the web inferface and then enter the name of the chat room. You can also block users on other servers from joining the room or enable encryption. You can't change these settings later.
61	61
	78	+[[image:addroom1.png||height="311" width="622"]]
	79	+
	80	+
	81	+The chat room **TestRoom** is private, so it is not visible to others and participants can only join the room by invitation.
	82	+
	83	+[[image:addroom3.png||height="738" width="617"]]
	84	+
	85	+
	86	+== Invite into the chat room ==
	87	+
	88	+**Requirement**: The member which is been invited has registered once on the Matrix Server.
	89	+
	90	+**Note**: If you have only released the room for the cit.tum or TUM user, only people who are registered on the cit.tum or tum server can access this room.
	91	+
	92	+If you want to invite new members to the room, click the button **Invite to this room**.
	93	+
	94	+[[image:addroom4.png||height="636" width="616"]]
	95	+
	96	+
	97	+Enter followings in the opened window:
	98	+
	99	+**For ITO Accounts**: e.g. @musterma:cit.tum.de
	100	+
62	62	(% class="box infomessage" %)
63	63	(((
64		-**CIT: Homeserver**: matrix.cit.tum.de **Username**: CIT-ID (without @cit.tum.de)  **Password**: CIT Password
	103	+@ITO-ID:cit.tum.de
65	65	)))
66	66
	106	+**For TUM Accounts: **e.g. @lr89rbg:tum.de
	107	+
67	67	(% class="box infomessage" %)
68	68	(((
69		-**TUM: Homeserver**: matrix.tum.de **Username**: LRZ-ID (without @mytum.de or @tum.de)  **Password**: LRZ/TUM Password
	110	+ @lrz-ID:tum.de
70	70	)))
71	71
	113	+**For other Accounts: ** e.g. @musterma:matrix.org
72	72
73		-== Using Element for Matrix ==
	115	+(% class="box infomessage" %)
	116	+(((
	117	+ name, email address, username  @username:domain
	118	+)))
74	74
	120	+and send the invitation to the e-mail address of the person to be invited. The invitation will appear in the matrix chat window and must be accepted.
75	75
76		-Follow [[the official guide>>https://matrix.org/docs/chat_basics/]] how to chat with Element 😎
77	77
78		-You can create **personal chats**, **group chats**, and **spaces** for bundling multiple chatrooms to communicate with any other Matrix user in the world.
	123	+[[image:invitetotestroom.png||height="593" width="622"]]
79	79
80	80
81		-= Invitation of TUM Users =
	126	+=== invite to the private chat ===
82	82
83		-When inviting TUM or CIT users to a chat, just enter the following Matrix IDs:
84	84
85		-**For CIT Accounts**:
	129	+**Requirement**: The member which is been invited has registered once on the Matrix Server.
86	86
	131	+
	132	+You can also privatly chat with other in Matrix. If you want to chat with a member privatly, click on the **+-Button** beside **People** in the program or on the web interface.
	133	+
	134	+[[image:startchat1.png||height="202" width="633"]]
	135	+
	136	+
	137	+Enter followings in the opened window:
	138	+
	139	+**For ITO Accounts**: e.g. @musterma:cit.tum.de
	140	+
87	87	(% class="box infomessage" %)
88	88	(((
89		-@CIT-ID:cit.tum.de     (e.g. @cooluser:tum.de)
	143	+@ITO-ID:cit.tum.de
90	90	)))
91	91
92		-**For TUM Accounts:**
	146	+**For TUM Accounts: **e.g. @lr89rbg:tum.de
93	93
94	94	(% class="box infomessage" %)
95	95	(((
96		- @LRZ-ID:tum.de     (e.g. @ga42lol:tum.de)
	150	+ @lrz-ID:tum.de
97	97	)))
98	98
99	99	**For other Accounts: ** e.g. @musterma:matrix.org
...	...	@@ -100,21 +100,15 @@
100	100
101	101	(% class="box infomessage" %)
102	102	(((
103		- @username:domain
	157	+ name, email address, username  @username:homeserver
104	104	)))
105	105
106		-The invitation will then appear in the Matrix client of the just-added user and must be accepted.
	160	+and send the invitation to the e-mail address of the person to be invited. [[image:invitepeople1.png||height="298" width="687"]]
107	107
108		-**Search for User Names**
109	109
110		-To add a user to the user directory, he must become a member of a public chat room on the server, e.g. [[https:~~/~~/matrix.to/#/#announcements:tum.de>>https://matrix.to/#/#announcements:tum.de]] on matrix.tum.de, or share a private chat. Only after that his name will be displayed in the search field for persons.
	163	+The invitation will appear in the element chat window and must be accepted.
111	111
112		-= Secure Backup =
	165	+[[image:invitepeople2.png||height="263" width="686"]]
113	113
114		-Since end-to-end encryption stores decryption **keys only on clients** (the "end"), logging out of the last client would mean loosing all messages.
115	115
116		-Matrix allows to create a encrypted backup of the decryption keys on your homeserver - with a separate passphrase.
117		-
118		-Matrix will ask you to set up your secure backup, and will request the password for the backup keys if needed.
119		-
120		-More information is in the [[official documentation about private chats>>https://matrix.org/docs/chat_basics/private-group-chat/]] 🤓
	168	+----