Adds 502 notes to threatq

ThreatQ Notes.md

@@ -201,6 +201,7 @@ package
 ALWAYS do a `yum check-update` and make sure everything looks reasonable and that
 Centos packages aren't replacing their RHEL equivalents.
 
+<<<<<<< HEAD
 
 ## Some Common Problems
 
@@ -242,3 +243,15 @@ I had to comment out the IPv6 "::1" /etc/hosts entry to shut up sensu and its ht
 I also had to `chmod 755 /var/log/audit` to shut up the disk space check for it.
 
 I thought both of these were in salt but maybe not
+
+## I get a 502 error when accessing Server Administration
+
+When you go to the gear -> server administration, you may get an error:
+```
+Service Unavailable
+The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.
+```
+
+This is intentional, and is caused by the disabling of the 'cockpit' service.
+
+See the notes from '### Firstboot' above. The cockpit.service and socket have been masked.