Debugging.md

+To debug, use the following.
+
+## Fog Broker
+
+To check for errors 
+1. You can read the *COSCO.log* file in the server. 
+
+## Fog Agents
+
+To check for errrors
+1. You can read the *agent/COSCO.log*.
+2. You can check status of the flask service using
+```bash
+sudo service status flask
+```
+2. For more in depth system logs use
+```bash
+sudo cat /var/log/syslog
+```
+or use the jounral control comand to see errors in flask service.
+```bash
+ journalctl -u flask.service
+```
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