update readme

readme.md

 # CI Package Server
 
-A sattelite system of the CI server to delivery built packages in other
+A sattelite system of the CI server to deliver built packages in other
 networks. The file access is protected with a dynamic authorization to
 prevent public access.
 
@@ -28,7 +28,7 @@ On Apache Webserver install xentfile module.
 
 i.e. on CentOS
 
-  yum install mod_xsendfile
+`yum install mod_xsendfile`
 
 
 ### Configuration of vhost
@@ -70,9 +70,29 @@ return array(
 );
 ```
 
-## Installation on client
+### Prepare receive of packages
 
-On a target system you need a bash and curl.
+* Create an deployment account package server that can be used to be connected 
+  via SSH by the ci server
+* add the public key of www-data of the ci server into
+  /home/deployment/.ssh/authorized keys
+* Set permissions that the deployment user can write into
+  /var/www/cipkg.example.com/packages/
+  and the user of the webeservice can read it 
+  `chown deployment:apache /var/www/cipkg.example.com/packages/` and
+  `chmod 750 /var/www/cipkg.example.com/packages/`
+
+## Ci server: add a sync target
+
+TODO
+
+## Installation of a client
+
+This repo comes with a bash script. It is not a must to use it. The 
+communication is via https. Have a look to the source to see the creation
+of the authorization string. It can be adapted in other clients too. 
+
+On a target system with your application you need a bash shell and curl.
 
 Copy the files from [approot]/shellscripts/ somewhere in a project related
 directory.