add some more details for build process

README.md

@@ -2,7 +2,7 @@
 
 
 ###Prepare for Building
-On Debian/Ubuntu:
+On Debian/Ubuntu (as root or using sudo):
 
 ```
  >apt-get install build-essential bison flex gettext libncurses5-dev texinfo autoconf automake libtool
@@ -10,7 +10,14 @@ On Debian/Ubuntu:
  >apt-get install rsync git subversion mercurial
 ```
 
-* Ensure bash ist default shell (Debian/Ubuntu standard is dash)
+* Ensure bash ist default shell (Debian/Ubuntu standard is dash):
+
+```
+  >dpkg-reconfigure dash
+```
+  and select no.
+
+* Clone the octonet and ddvb repositories:
 
 ```
   >git clone -b master https://github.com/DigitalDevices/octonet.git octonet
@@ -40,6 +47,12 @@ Rebuild main firmware
   >./cp buildroot/output-octonet/images/octonet.* <your webserver root>/octonet
 ```
 
+On some servers a .htaccess file with:
+```
+  >Options +Indexes
+```
+in the octonet directory might be necessary.
+
 * Configure your OctopusNet(s) to use your webserver as update server:
 ```
 http://<OctopusNet IP>/updateserver.html
@@ -50,3 +63,6 @@ Initiate update from the OctopusNet
 Note: for security reasons only private ip addresses (10.0.0.0/8, 172.16.0.0/12, 192.168,0.0/16) are accepted
 
 
+You can find details about the OctopusNet hardware, the flash memory map and the boot process
+in dddvb/docs/octopusnet in the dddvb repo!
+