fixes wh1te909/tacticalrmm#40

install.sh

@@ -54,6 +54,9 @@ echo -ne "${YELLOW}Enter the subdomain for meshcentral (e.g. mesh.example.com)${
 read meshdomain
 done
 
+echo -ne "${YELLOW}Enter the root domain for LetsEncrypt (e.g. example.com or example.co.uk)${NC}: "
+read rootdomain
+
 echo -ne "${YELLOW}Create a username for meshcentral${NC}: "
 read meshusername
 
@@ -63,8 +66,6 @@ echo -ne "${YELLOW}Enter a valid email address for let's encrypt renewal notific
 read letsemail
 done
 
-rootdomain=$(expr match "$rmmdomain" '.*\.\(.*\..*\)')
-
 print_green 'Getting wildcard cert'
 
 sudo apt install -y software-properties-common