diff --git a/ipynb/tutorial/05_TrappyUsage.ipynb b/ipynb/tutorial/05_TrappyUsage.ipynb
index 8b9ce44f0db5a61cd5b6de1067c9fdd3aa821dec..02bc2d683bd8388af5fbb79a252f1bff1863cf74 100644
--- a/ipynb/tutorial/05_TrappyUsage.ipynb
+++ b/ipynb/tutorial/05_TrappyUsage.ipynb
@@ -348,7 +348,7 @@
    ],
    "source": [
     "# Let's have a look at the generated file\n",
-    "!ls -la"
+    "!ls -la example_results"
    ]
   },
   {
@@ -384,7 +384,7 @@
    ],
    "source": [
     "logging.info(\"Example of (formatted) 'sched_switch' event:\")\n",
-    "with open('./trace.txt', 'r') as fh:\n",
+    "with open('./example_results/trace.txt', 'r') as fh:\n",
     "    for line in fh:\n",
     "        if line.find('sched_switch') == -1:\n",
     "            continue\n",
@@ -417,7 +417,7 @@
    ],
    "source": [
     "logging.info(\"Example of (raw) 'sched_switch' event:\")\n",
-    "with open('./trace.raw.txt', 'r') as fh:\n",
+    "with open('./example_results/trace.raw.txt', 'r') as fh:\n",
     "    for line in fh:\n",
     "        if line.find('sched_switch') == -1:\n",
     "            continue\n",
@@ -4400,17 +4400,6 @@
     "    https://github.com/ARM-software/trappy/blob/master/doc/Plotter.ipynb"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": true
-   },
-   "outputs": [],
-   "source": [
-    "trappy.ILinePlot()"
-   ]
-  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -4728,6 +4717,8 @@
     }
    ],
    "source": [
+    "import pandas as pd\n",
+    "\n",
     "# Now we can get group by frequency and sum the partional residency times\n",
     "freq_residencies = df.groupby('frequency')['delta'].sum()\n",
     "logging.info(\"Residency time per OPP:\")\n",
@@ -4763,7 +4754,7 @@
     "tot = sum(freq_residencies)\n",
     "#df = df.apply(lambda delta : 100*delta/tot)\n",
     "for f in freq_residencies.index:\n",
-    "    logging.info(\"Freq %10dHz : %5.1f%%\", f, 100*freqs[f]/tot)"
+    "    logging.info(\"Freq %10dHz : %5.1f%%\", f, 100*freq_residencies[f]/tot)"
    ]
   },
   {
diff --git a/src/shell/lisa_shell b/src/shell/lisa_shell
index 5cce7360c1947b1d6e4b144b4b0a240def40c52c..3b8098d54470bb23f48cd81e1855d5631ca44761 100644
--- a/src/shell/lisa_shell
+++ b/src/shell/lisa_shell
@@ -122,7 +122,7 @@ function _lisa-ipython-usage {
 
 function _lisa-ipython-start {
 # Get IP address for the specified interface
-IPADDR=$(ifconfig $NETIF 2>/dev/null  | \
+IPADDR=$(/sbin/ifconfig $NETIF 2>/dev/null  | \
 	awk '/inet / {print $2}' | \
 	sed 's/addr://')
 if [ "x$IPADDR" == "x" ]; then