guard clause to run bootstrap as root

README.md

@@ -7,7 +7,7 @@ Create a text file with one ip address per line and place it in the `./proxy_cen
 
 ### Step 2:
 Run bootstrap.sh
-`./bootstrap.sh`
+`bash bootstrap.sh`
 This will do the following:
 - Install squid proxy
 - Create a new ifcfg-eth0:{index} for every ip address in ./ips.txt

bin/bootstrap.sh

@@ -4,6 +4,11 @@
 # 2. install a squid proxy with basic auth username/pass
 # 3. append ip addresses as listeners for each ip added.
 
+if [ "$EUID" -ne 0 ]
+	  then echo "Please run as root"
+			  exit
+fi
+
 # step 1: install squid
 sh install_squid.sh