added a couple of stuff to prep script

prep_ubuntu_server.sh

@@ -1,10 +1,20 @@
 #!/bin/bash
 
-#preperation script for my ubuntu servers
+
+# # # # # # # # # # # # # # # # # # # # # # # # # #
+# preperation script for my ubuntu servers        #
+# can be used as firstboot script for vm-builder  #
+# # # # # # # # # # # # # # # # # # # # # # # # # #
 
 
+#  ****  configuration section  ****
+sshgroup="sshusers"
+#user=$(cat /etc/passwd | grep 1000)
+#user=${user:0:$(($(echo `expr index "$user" :`)-1))}
+user="david"
 
-#install various tools/packages
+
+#  ****  install various tools/packages  ****
 pkginstall()
 {
 
@@ -17,7 +27,7 @@ pkginstall()
 }
 
 
-#configure motd
+#  ****  configure motd  ****
 motdconfig()
 {
 
@@ -26,14 +36,48 @@ motdconfig()
 
     echo ""
     read -p "now its time to create/customize your /etc/motd.tail
-(http://www.network-science.de/ascii/)"
+(go to http://www.network-science.de/ascii/)"
     vi /etc/motd.tail
 
 }
 
+
+#  ****  ssh server config  ****
+sshdconfig()
+{
+
+    echo "
+       __.-._
+       '-._'7'
+        /'.-c
+        |  /T
+       _)_/LI
+
+   this machine is
+   protected by a
+ master of the force!
+" > /etc/issue.net
+
+    sed -i 's/#Banner/Banner/' /etc/ssh/sshd_config
+    echo "" >> /etc/ssh/sshd_config
+    echo "# Restrictions added by ubuntu server prep script" >> /etc/ssh/sshd_config
+    echo "AllowGroups $sshgroup" >> /etc/ssh/sshd_config
+    echo "" >> /etc/ssh/sshd_config
+
+    addgroup $sshgroup
+    adduser $user $sshgroup
+
+}
+
+
 #  ****  start of script  ****
+
 pkginstall
 motdconfig
+sshdconfig
+
+
+exit 0
+#  ****  end of file  ****
 
 
-#end of file