ADD eduroam arch linux installation

eduroam-arch-linux-install.md

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+# Installation on Lenovo Think Pad
+
+# Change keyboard layout to German language
+loadkeys de-latin1
+
+# Connect to WLAN (standard)
+iwctl
+[iwd]# device list
+
+jetzt sollte zumindest ein Device z.B. wlan0
+aufscheinen.
+
+[iwd]# station wlan0 scan
+... ein bisschen warten ...
+[iwd]# station wlan0 get-networks
+Wenn z.B. das Netzwerk "Kuscheltier" heißt, dann:
+[iwd]# station wlan0 connect Kuscheltier
+Passphrase: *******
+[iwd]# exit
+\# ping orf.at
+
+# Connect to EDUROAM eduroam.8021x
+
+Firstly, you have to create a new file at /var/lib/iwd/eduroam.8021x with:
+```
+cd /var/lib/iwd
+nano -cl eduroam.8021x
+```
+Content of the file:
+```
+[Security]
+EAP-Method=TTLS
+EAP-Identity=holo@technikum-wien.at
+EAP-TTLS-Phase2-Method=MSCHAPV2
+EAP-TTLS-Phase2-Identity=ma0079
+EAP-TTLS-Phase2-Password=Ubdaed8.Dtdpmc!
+EAP-TTLS-ServerDomainMask=radius.technikum-wien.at
+
+[Settings]
+AutoConnect=true
+```
+
+# Start the iwctl wireless connection tool
+iwctl
+[iwd]# device list
+
+
+# Check the internet connection
+ping orf.at
+
+# Start the arch installation script
+archinstall
+
+### Locales
+Keyboard layout: de-latin1
+Locale language: en_DK
+Locale encoding: UTF-8
+### 
+