Update to troubleshooting page

Author: arunskurian

docs/docs/References/Troubleshooting.md

@@ -23,4 +23,33 @@ There are 2 sets of logs for the MySQL plugin
 
     - delphix_mysql_debug.log 
     - delphix_mysql_info.log
-    - delphix_mysql_error.log
+    - delphix_mysql_error.log
+
+
+## Common MySQL Commands 
+
+1. Connecting to a MySQL instance
+
+    ```commandline
+    delphixos> /usr/bin/mysql -uUserName -pPassword --protocol=TCP --port=1234
+    ```
+   
+2. List databases in MySQL
+   ```jql
+   mysql> show databases;
+   ```
+   
+3. Check replication status in MySQL
+   ```jql
+   mysql> show slave status;
+   ```
+
+4. Check binary logging
+   ```jql
+   mysql> SHOW VARIABLES LIKE 'log_bin';
+   ```
+
+5. Check user permissions
+    ```jql
+    mysql> show grants for 'delphixdb'@'%';
+    ```