Änderungen von Dokument 06 Technische Voraussetzungen

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• Seiteneigenschaften (1 geändert, 0 hinzugefügt, 0 gelöscht)

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Seiteneigenschaften

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61	61	{{/layout-cell}}
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	64	+
	65	+{{layout}}
	66	+{{layout-section ac:type="two_right_sidebar"}}
	67	+{{layout-cell}}
	68	+The learning platform is a web-based application mainly written in Java. The following standard applications are supported:
	69	+
	70	+* Web server: Apache
	71	+* Application server: Tomcat
	72	+* Management of data: PostgreSQL, XML
	73	+
	74	+To use this learning platform, you need an internet connection and a web browser (Google Chrome, Mozilla Firefox, Internet Explorer, etc.).
	75	+{{/layout-cell}}
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	77	+{{layout-cell}}
	78	+{{panel title="Content"}}
	79	+{{toc minLevel="2"/}}
	80	+{{/panel}}
	81	+{{/layout-cell}}
	82	+{{/layout-section}}
	83	+
	84	+{{layout-section ac:type="single"}}
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	86	+== Hardware ==
	87	+
	88	+Recommendation for 300 concurrent users:
	89	+
	90	+* 8 GB RAM
	91	+* 2 CPUs > 2 GHz
	92	+* 200 GB HDD
	93	+
	94	+== Software ==
	95	+
	96	+We recommend Linux (64bit).
	97	+
	98	+The following distributions are currently used for productive instances:
	99	+
	100	+* Scientific Linux
	101	+* Red Hat Enterprise Linux
	102	+* Ubuntu
	103	+* Open Suse
	104	+* SUSE Linux Enterprise Server
	105	+
	106	+(% style="text-align: left;" %)
	107	+Other distributions are possible.
	108	+
	109	+(% style="text-align: left;" %)
	110	+=== Software components ===
	111	+
	112	+* Web server: Apache web server + mod_ssl (mod_jk or proxy_ajp)
	113	+* Database server: Postgresql
	114	+* Application server: Java 17, Apache Tomcat 9
	115	+
	116	+=== Distribution ===
	117	+
	118	+* Up to 300 concurrent users: All components on one server
	119	+* Up to 500 concurrent users: Separation between database server and application server
	120	+* Up to 800 concurrent users: Separation between database server, application server, and web server
	121	+* Up to 1200 concurrent users: Multiple OPAL nodes on the application server
	122	+* More than approx. 1500 concurrent users: Multiple application servers
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	125	+{{/layout}}