update notebook

Author: rsouza

Notebooks/03_PostgreSQL.ipynb

@@ -138,7 +138,7 @@
     "+ search localhost in it and make below flag true\n",
     "+ network.dns.native-is-localhost\n",
     "\n",
-    "On the login page, enter admin for username and password.\n",
+    "On the login page, enter \"admin\" for username and password.\n",
     "+ Click Log In. \n",
     "+ Click OK on the prompt, then change your password.  \n",
     "+ Add your Postgres DB as a data source:  \n",
@@ -372,6 +372,20 @@
     "\n",
     "    main()"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Use Crontab in Linux to execute the script every 30 minutes"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {