updated prep_ubuntu script

prep_ubuntu_server.sh

@@ -37,7 +37,7 @@ motdconfig()
     echo ""
     read -p "now its time to create/customize your /etc/motd.tail
 (go to http://www.network-science.de/ascii/)"
-    vi /etc/motd.tail
+    vim /etc/motd.tail
 
 }
 
@@ -67,6 +67,9 @@ sshdconfig()
     addgroup $sshgroup
     adduser $user $sshgroup
 
+    read -p "add needed users to sshgroup $sshgroup in /etc/group"
+    vim /etc/group
+
 }