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-- to set terminal window title
echo -n -e "\033]0;Docker and Kubernetes\007"

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-- to pull the latest version of docker image from registry:
docker pull udacity/carnd-term1-starter-kit
-- to run the docker image (for Windows PowerShell):
docker run -it --rm -p 8888:8888 -v ${pwd}:/src udacity/carnd-term1-starter-kit test.ipynb
--or (for bash or Docker Quickstart Terminal)
docker run -it --rm -p 8888:8888 -v `pwd`:/src udacity/carnd-term1-starter-kit test.ipynb

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import tensorflow as tf
x = tf.constant(5, name='x')
y = tf.constant(8, name='y')
z = tf.Variable(2*x+3*y, name='z')
model = tf.global_variables_initializer()

with tf.Session() as sess:
  write = tf.summary.FileWriter("./tf_logs", sess.graph)
  sess.run(model)
  print('z = ', sess.run(z)

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echo -n -e "\033]0;My Terminal Title\007"

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{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Parameters": {
    "PrestoCoordinatorURL": {
      "Description": "URL of the Presto Server. example: http://ec2-xx-xx-xx-xx.compute-1.amazonaws.com:8889",
      "Type": "String"    
    },
    "AirpalPort": {
      "Description": "Airpal Port",
      "Type": "String",

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apiVersion: extensions/v1beta1
kind: DaemonSet
metadata:
  name: datadog-agent
spec:
  template:
    metadata:
      labels:
        app: datadog-agent
      name: datadog-agent

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{
    "deviceId": "devA",
    "etag": "AAAAAAAAAAc=", 
    "status": "enabled",
    "statusReason": "provisioned",
    "statusUpdateTime": "0001-01-01T00:00:00",
    "connectionState": "connected",
    "lastActivityTime": "2015-02-30T16:24:48.789Z",
    "cloudToDeviceMessageCount": 0, 
    "authenticationType": "sas",

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sudo lsof -i :27017 # checks port 27017

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host = db.serverStatus().host;

prompt = function() {
             return db+"@"+host+"$ ";
         }
         
or to get the uptime and total number of documents

prompt = function() {
           return "Uptime:"+db.serverStatus().uptime+" Documents:"+db.stats().objects+" > ";

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find . -name '*.js' -exec grep -i 'NPM_TOKE' {} \; -print