From 26656580a93c012f28cba41d9f1497556ca0aa00 Mon Sep 17 00:00:00 2001
From: Paul Buetow <git@mx.buetow.org>
Date: Sat, 1 May 2021 08:29:06 +0100
Subject: convert to md

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+Quick howto for the NetCalendar 
+===============================
+
+![ScreenShot](netcal/netcal.png "NetCalendar")
+
+```
+I. HOW TO START THE NETCALENDAR STAND ALONE (WITHOUT SSL):
+II. HOW TO START THE NETCALENDAR DISTRIBUTED (WITHOUT SSL):
+III. HOW TO START THE NETCALENDAR DISTRIBUTED (WITH SSL):
+IV. MORE OPTIONS
+V. INFORMATIONS CONCERNING THE COLORS BEING USED WITHIN THE NETCALENDAR CLIENT:
+VI. USING THE UNIX CALENDAR DATABASE
+```
+
+# I. HOW TO START THE NETCALENDAR STAND ALONE (WITHOUT SSL):
+
+You need at least a JRE 6 or higher. The command
+
+```
+java -jar NetCalendar.jar --client-and-server
+```
+
+is starting the client and the server of the NetCalendar within the same 
+process as two different threads. The option "server_address" will be set
+automatically to "localhost". The communication between both threads is done
+per TCP/IP.
+
+# II. HOW TO START THE NETCALENDAR DISTRIBUTED (WITHOUT SSL):
+
+1. Server and client should use, if possible, the same version of the JRE.
+2. You should copy the complete NetCalendar suite to the client and the server
+computer.
+3. Start the server with `java -jar NetCalendar.jar --server-only`
+4. Start the client with `java -jar NetCalendar.jar --client-only --server-address=$SERVERHOST`
+
+In order to stop the server, select "Server -> Shutdown server" in the GUI of
+the client. 
+
+# III. HOW TO START THE NETCALENDAR DISTRIBUTED (WITH SSL):
+
+1. Server and client should use, if possible, the same version of the JRE.
+2. You should copy the complete NetCalendar suite to the client and the server
+computer. On edit on both sides (server and client) the netcalendar.conf and 
+set use_ssl to true.
+3. You should create clientKeys,clientTrust,serverKeys and serverTrust as 
+discribed in http://www.ibm.com/developerworks/java/library/j-customssl/ and
+save them for example into ./SSL. 
+3. Start the server with
+```
+	java \
+	-Djavax.net.ssl.keyStore=./SSL/serverKeys \
+	-Djavax.net.ssl.keyStorePassword=$PASSWORD \
+	-Djavax.net.ssl.trustStore=./SSL/serverTrust \
+	-Djavax.net.ssl.trustStorePassword=$PASSWORD \
+	-jar NetCalendar.jar --server-only
+```
+4. Start the client with 
+```
+	java \
+	-Djavax.net.ssl.keyStore=./SSL/clientKeys \
+	-Djavax.net.ssl.keyStorePassword=$PASSWORD \
+	-Djavax.net.ssl.trustStore=./SSL/clientTrust \
+	-Djavax.net.ssl.trustStorePassword=$PASSWORD \
+	-jar NetCalendar.jar --client-only --server-address=$SERVERHOST
+```
+
+# IV. MORE OPTIONS
+
+All options will be set to their default values while starting the NetCalendar 
+without any explicit options given.
+
+If you want to see more available parameters, then run the command
+
+```
+java -jar NetCalendar.jar --help
+```
+
+It is possible to configure the NetCalendar by editing the configuration file
+which is "netcalendar.conf". However, the preferred way is using the client 
+GUI via "Session -> Preferences".
+
+# V. INFORMATIONS CONCERNING THE COLORS BEING USED WITHIN THE NETCALENDAR CLIENT:
+
+* Blue in the "Date" column: Yearly event
+* Green in the "Date" column: The event will take place only once
+* Red: Event takes place within the next 24h
+* Orange: Event takes place within the next week
+* Yellow: Event takes place within the next 28 days
+* Dark: Event takes place within the next 168 days (~ 1/2 year)
+* Light beige: Event takes place within the next 365 days (1 year)
+* Grey: Event takes place after 365 days
+
+# VI. USING THE UNIX CALENDAR DATABASE
+
+If you are using the `calendar` tool on UNIX, you can use `~/.calendar`` as your
+NetCalendar database dir :) 
+
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