moved zsh install/config to own file. modified prep ubuntu script

prep_ubuntu_server.sh

@@ -4,52 +4,34 @@
 
 
 
-#install various tools
+#install various tools/packages
 pkginstall()
 {
 
-    apt-get update && apt-get dist-upgrade -y
+    apt-get update
+    apt-get dist-upgrade -y
     apt-get install -y htop nload nmap tshark git-core \
                        curl wget dnsutils fortunes-ubuntu-server \
-                       vim zsh
-
-}
-
-
-#install and configure zsh
-zshinstall()
-{
-
-    curl -L https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh | sh
-    rm -rf ~/.oh-my-zsh/custom/
-    cd ~/.oh-my-zsh/
-    git clone git://git.socialnerds.org/zshconfig.git custom
-    read -p "now modify your ~/.zshrc to your needs"
-    vi ~/.zshrc
-    read -p "time to change your default shell to /bin/zsh"
-    sudo vi /etc/passwd
+                       vim zsh ncdu
 
 }
 
 
 #configure motd
-motd()
+motdconfig()
 {
 
     rm /etc/update-motd.d/10*
     rm /etc/update-motd.d/50*
 
-    #insert a fancy motd.tail from http://www.network-science.de/ascii/
-    #echo '
-    #go to http://www.network-science.de/ascii/ and generate
-    #a nice ascii servername for /etc/motd.tail'
+    read -p "\nnow its time to create/customize your /etc/motd.tail\n(http://www.network-science.de/ascii/)"
     vi /etc/motd.tail
 
 }
 
 #  ****  start of script  ****
-#pkginstall
-zshinstall
+pkginstall
+motdconfig
 
 
 #end of file

zsh_install.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+# install and configure zsh
+
+zshinstall()
+{
+
+    if [ -d ~/.oh-my-zsh/custom/.git ]; then
+        echo "skipping zsh installation. is already there."
+    else
+        echo "installing curl, zsh and git-core as dependencies of zsh configuration"
+        sudo apt-get update && sudo apt-get install -y curl zsh git-core
+        curl -L https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh | sh
+        rm -rf ~/.oh-my-zsh/custom/
+        cd ~/.oh-my-zsh/
+        git clone git://git.socialnerds.org/zshconfig.git custom
+        read -p "\nnow modify your ~/.zshrc to your needs"
+        vi ~/.zshrc
+        read -p "\ntime to change your default shell to /bin/zsh"
+        sudo vi /etc/passwd
+    fi
+
+}
+
+
+#start of script
+
+zshinstall
+
+
+
+#end of file