the cron job to re-sign DNSSEC zones wasnt working after adding the API key to the management daemon because the script relied on a bash-ism but cron runs it with (probably) sh

setup/dns.sh

@@ -1,3 +1,4 @@
+#!/bin/bash
 # DNS: Configure a DNS server using nsd
 #######################################
 
@@ -65,10 +66,9 @@ fi
 
 # Force the dns_update script to be run every day to re-sign zones for DNSSEC.
 cat > /etc/cron.daily/mailinabox-dnssec << EOF;
-#!/bin/bash
 # Mail-in-a-Box
 # Re-sign any DNS zones with DNSSEC because the signatures expire periodically.
-curl -d GO --user \$(</var/lib/mailinabox/api.key): http://localhost:10222/dns/update
+`pwd`/tools/dns_update
 EOF
 chmod +x /etc/cron.daily/mailinabox-dnssec