mcmoe

sudo /etc/init.d/ntp stop
sudo ntpdate -s server.company.com

mcmoe

Sources:

• https://pastebin.com/Hzu3frCE
• https://www.howtogeek.com/177621/the-beginners-guide-to-iptables-the-linux-firewall/
• https://github.com/darkk/redsocks

---

Checking redsocks service and config

mcmoe

var e = document.createElement('script');
e.setAttribute('src', 'https://nytimes.github.io/svg-crowbar/svg-crowbar.js'); 
e.setAttribute('class', 'svg-crowbar');
document.body.appendChild(e);

/* Source: https://graphicdesign.stackexchange.com/questions/55123/how-do-i-save-an-svg-thats-on-a-website-to-my-computer */

mcmoe

// ...
const color = this._colors[i % this._colors.length];
const colorNext = echarts.color.lift(color, 0.3);

return {
    type: 'linear',
    x: 0,
    y: 1,
    x2: 0,
    y2: 0,

mcmoe

TODO

• Kafka Schema Registry
• LINQ SQL style API
• How does a "table" like TaxiRides get created in the Flink example?
  • My question would be if the info is coming from differnt sources how do we create a join out of them?

---

The future of ETL isn’t what it used to be.

• 11:20am-12:00pm, Sep 12 / 1A 23/24

mcmoe

Creating a keystore and exporting its certificate into a new truststore

Create the Keystore and generate a certificate, an example is shown below:

keytool -genkey -alias client -keyalg RSA -keystore client.jks -keysize 2048

Export a certificate from a Keystore:

keytool -export -alias client -file client.crt -keystore client.jks

Import the certificate to a Truststore:

keytool -import -v -trustcacerts -alias client -file client.crt -keystore clienttrust.jks

mcmoe

#OpenSSL cheat sheet This is a brief howto for socket programmers.

create RSA key pairs

ex: 1024bits length key pair:

$> openssl genrsa -out myprivate.pem 1024
$> openssl rsa -in myprivate.pem -pubout -out mypublic.pem

mcmoe

add this to your settings.gradle

include ':my-other-project'
project(':my-other-project').projectDir = new File(settingsDir, '../my-other-project')

then you can link to it in your build.gradle like so

mcmoe

<link href="https://vjs.zencdn.net/5.10.4/video-js.css" rel="stylesheet">
<div>
  <video id="my-video" class="video-js" controls preload="auto" width="300" height="480" data-setup='{"playbackRates": [1, 1.5, 2] }'>
    <source src="<!------- ADD VIDEO  LINK HERE ------>" type='video/mp4'>
    <p class="vjs-no-js">
      To view this video please enable JavaScript, and consider upgrading to a web browser that
      <a href="http://videojs.com/html5-video-support/" target="_blank">supports HTML5 video</a>
    </p>
  </video>
</div>

mcmoe

div.hide {
    visibility: hidden;
}

div.pipeline-loading-icon {
    content: url("white-load.gif");
    display: block;
    margin-left: auto;
    margin-right: auto
}