README: rework installation

README

@@ -1,24 +1,33 @@
-0. Choose a Subnet/Hostname
-  ex: eve/172.23.75.2/32
-1. Install tinc-pre
+1. Install tinc and dhcp (at lease version 1.1pre11)
+
+Archlinux:
+  - tinc-pre from aur
+  - dhcpcd or dhclient (dhcpcd recommend)
+Freebsd:
+  - tinc from this [Port Collection](https://github.com/Mic92/ports)
+  - dhcpcd or dhclient (dhcpcd recommend)
+Mac OS X:
+  - Get homebrew
+  - brew install --devel tinc
+  - Replace /etc with /usr/local/etc in the following walk-through
+Windows:
+  - TODO
+
 2. Clone hosts
   root> mkdir /etc/tinc/evenet
   root> chown $USER /etc/tinc/evenet
   user> git clone gitlab@git.higgsboson.tk:Mic92/evenet.git /etc/tinc/evenet
-3. Start tinc interactive mode
+3. Request invite url (generated by `tinc -c . invite`)
+4. Join tinc url
+  user> tinc -c /etc/tinc/evenet join <url>
+
+  # Optional (set public address)
   user> tinc -c /etc/tinc/evenet
-  tinc> init <HOST>
-  tinc> set Subnet <HOST>
-  tinc> set Mode switch
-  tinc> set Hostnames yes
   tinc> set Address domain.tld # optional, wenn eine öffentliche Addresse verfügbar ist
   tinc> set Port 666           # optional, wenn anderer Port gewünscht
-  tinc> add ConnectTo eve
-  tinc> add ConnectTo ohorn
   tinc> exit
-4. Adapt tinc-up/tinc-down
-user> cp tinc-up-linux tinc-up # replace linux with your os
-root> sed -i 's/%IP%/<HOST>/g' tinc-up
+5. Test with tinc-debug
+  /etc/tinc/evenet
 
 Linux iproute2
 $ ip addr add address/prefixlength dev interface