Fix for Google Colab use

Author: gjbex

system_information.ipynb

@@ -8,22 +8,39 @@
     "# Information about the system & environment"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Install `sh` since it doesn't seem to be available."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "!pip install sh"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2018-11-07T17:08:59.065619Z",
-     "start_time": "2018-11-07T17:08:59.058695Z"
+     "end_time": "2018-11-15T06:15:12.468350Z",
+     "start_time": "2018-11-15T06:15:12.456515Z"
     }
    },
    "outputs": [],
    "source": [
+    "from datetime import datetime\n",
     "import os\n",
     "import platform\n",
-    "import sys\n",
-    "\n",
-    "import psutil"
+    "import psutil\n",
+    "import sh\n",
+    "import sys"
    ]
   },
   {
@@ -317,16 +334,16 @@
    "execution_count": null,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2018-11-12T12:59:13.616730Z",
-     "start_time": "2018-11-12T12:59:13.383013Z"
+     "end_time": "2018-11-15T05:53:15.410000Z",
+     "start_time": "2018-11-15T05:53:15.293369Z"
     },
     "hidden": true,
     "scrolled": false
    },
    "outputs": [],
    "source": [
     "for process in psutil.process_iter():\n",
-    "    if 'gjb' in process.username():\n",
+    "    if 'bash' in process.name():\n",
     "        cpu_times = process.cpu_times()\n",
     "        thread_str = f'threads: {process.num_threads()}'\n",
     "        cpu_str = f'user: {cpu_times.user}, sys: {cpu_times.system}'\n",
@@ -373,14 +390,46 @@
    "execution_count": null,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2018-11-12T13:55:42.525140Z",
-     "start_time": "2018-11-12T13:55:42.420751Z"
+     "end_time": "2018-11-15T06:05:47.011309Z",
+     "start_time": "2018-11-15T06:05:46.973339Z"
+    },
+    "hidden": true
+   },
+   "outputs": [],
+   "source": [
+    "sleep = sh.sleep(120, _bg=True)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "ExecuteTime": {
+     "end_time": "2018-11-15T06:05:47.632555Z",
+     "start_time": "2018-11-15T06:05:47.560416Z"
+    },
+    "hidden": true
+   },
+   "outputs": [],
+   "source": [
+    "for process in psutil.process_iter():\n",
+    "    if 'sleep' in process.name():\n",
+    "        print(process)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "ExecuteTime": {
+     "end_time": "2018-11-15T06:06:13.213564Z",
+     "start_time": "2018-11-15T06:06:13.055494Z"
     },
     "hidden": true
    },
    "outputs": [],
    "source": [
-    "name = 'zeal'\n",
+    "name = 'sleep'\n",
     "killed_pids = []\n",
     "for process in psutil.process_iter():\n",
     "    if name == process.name():\n",
@@ -390,6 +439,41 @@
     "print('killed: ', ', '.join(map(str, killed_pids)))"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "heading_collapsed": true
+   },
+   "source": [
+    "## Users"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "hidden": true
+   },
+   "source": [
+    "You can retrieve information on the users on the system as well."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "ExecuteTime": {
+     "end_time": "2018-11-15T06:17:52.182805Z",
+     "start_time": "2018-11-15T06:17:52.173132Z"
+    },
+    "hidden": true
+   },
+   "outputs": [],
+   "source": [
+    "for user in psutil.users():\n",
+    "    started = datetime.strftime(datetime.fromtimestamp(user.started), '%Y-%m-%d %H:%M:%S')\n",
+    "    print(f'{user.name}: {started}')"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {