Intro <br/> <br/> Ameya Shenoy <br/> <br/> <a href="https://github.com/codingcoffee" target="_blank">github.com/codingcoffee</a> Note: First, feel free to heckle Ask questions in the middle, interupt me, makes this fun, I like it Or you can wait till the end, but interactive is good

<a href="https://www.sfit.ac.in/" target="_blank">St. Francis Institue of Technology</a> <br/> EXTC | e-Yantra | RoboCon

<a href="https://frappe.io/" target="_blank"><img data-src="https://frappe.io/files/frappe.png" height="40"></img></a> <br/> <a href="https://erpnext.com/" target="_blank"><img data-src="https://erpnext.com/files/erpnext-logo-blue-v2.png" height="28"></img></a> Note: Open Source Framework to build applications Think of Frappe as an alternative to Flask, Djankgo, but with all the batteries built in ERPNext is a open source CRM. Some well known users would be Zerodha, Internet Freedom Foundation --- - <a href="https://python.org/" target="_blank">Python</a> for the backend - <a href="https://vuejs.org/" target="_blank">VueJS</a> for the fronetend - <a href="https://mariadb.org/" target="_blank">MariaDB</a> as SQL database - <a href="https://redis.io/" target="_blank">Redis</a> with <a href="https://socket.io/" target="_blank">Socket.IO</a> for PubSub and data caching --- - Automated installation using <a href="https://www.ansible.com/" target="_blank">Ansible</a> - Implemented pixel tracking for outbound emails - Release and Deploy Manager Note: Traditional Servers Some other framework specific things which I did there --- Mothly Sprints | Ad-hoc

<a href="https://browserstack.com/" target="_blank"> <img data-src="https://iconape.com/wp-content/png_logo_vector/browserstack.png" height="40"></img> <br/> <b>Browser</b>Stack </a> --- <a href="https://collectd.org/" target="_blank">Collectd</a> | <a href="https://www.influxdata.com/" target="_blank">InfluxDB</a> | <a href="https://grafana.com/" target="_blank">Grafana</a> <br/> <img data-src="./images/monitoring_meme.jpg" height="300"></img> Note: Collectd - small daemon which runs on servers to collect system metrics Influx - time series database Grafana - Make awesome looking charts out of it Data driven decisions --- <div> <div><a href="https://www.nagios.org/" target="_blank">Nagios</a></div> <div><a href="https://oss.oetiker.ch/smokeping/" target="_blank">Smokeping</a></div> <img data-src="./images/nagios_meme.jpg" height="400"></img> </div> Note: SLA, Uptime, Alerts, DNS checks, HTTP checks, server uptime, SSH, Load, System memory Traceroute TTL, since servers in DC, latency is important --- <div> <div><a href="https://www.cloudflare.com/" target="_blank">Cloudflare</a></div> </div> Note: CDN, DDoS Protection using Captcha Main reason was for DDoS --- <div> <div><a href="https://www.vaultproject.io" target="_blank">Hashicorp Vault</a></div> <br/> <img data-src="https://jolicode.com/media/original/2017/password.png" height="300"></img> </div> Note: Password Storage Cross team password sharing not allowed Multiple applications using the same password Password rotation on employee leaving mandated by GDPR / SoC2 Lock state --- <div> <div><a href="https://www.jenkins.io/" target="_blank">Jenkins</a></div> <img data-src="https://img.devrant.com/devrant/rant/r_85679_7gTEY.jpg" height="400"></img> </div> Note: CI, CD, Testing, Asset Compilation, Parallelize, Deploy Every job is run inside a container --- <div> <div><a href="https://openvpn.net/" target="_blank">OpenVPN</a></div> <img data-src="https://i.pinimg.com/originals/4c/27/1e/4c271e8751dbd05c88d266f9217bd1be.jpg" height="400"></img> </div> Note: Access data securely, save up on IPAddresses, Security --- <div> <div>Disaster Recovery</div> <img data-src="https://miro.medium.com/max/504/1*gACf3ttoWR86MQKSAuBsPA.png" height="300"></img> </div> Note: Important but not Urgent SoC2 compliance mandates offsite backups Data backups are only good if you've tested them --- <div> <div><a href="https://kubernetes.io/" target="_blank">Kubernetes</a></div> <img data-src="https://i.redd.it/iv0oiaz7aqe41.jpg" height="300"></img> </div> Note: This is an entire talk in itself Brainchild of google. Google manages things internally, using a system called Borg. This is an open source version of the same FreeBSD Jails, User namespaces, Containers, LXC, LXD, Docker, Containerd, Reproducibility, Isolation Control Theory, Control Loop Meachnism, Current State, Desired State K8s - Self healing properties, A/B testing, 0 downtime deploys --- <div> <div><a href="https://aws.amazon.com/" target="_blank">AWS</a></div> <img data-src="https://i.redd.it/gkee3xdcfdz11.png" height="400"></img> </div> Note: EC2, S3, RDS, Cloudfront, Cloudwatch, EKS, NAT Gateways, Elastic Cache, SES Bills --- <div> <div>Email Centralization</div> </div> Note: Email DMARC Compliance falling Spoof emails sent on our behalf --- Quarterly Sprints | Daily Standups <br/> Corporate | Confluence Note:

<a href="http://cloudsim.codingcoffee.me/" target="_blank">Cloud<b>Sim</b> Demo</a>

Interests <br/> <img data-src="https://upload.wikimedia.org/wikipedia/commons/thumb/3/35/Tux.svg/1200px-Tux.svg.png" height="45"></img> <img data-src="https://upload.wikimedia.org/wikipedia/commons/thumb/a/a5/Archlinux-icon-crystal-64.svg/1024px-Archlinux-icon-crystal-64.svg.png" height="40"></img> <img data-src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/9f/Vimlogo.svg/544px-Vimlogo.svg.png" height="40"></img> <img data-src="https://upload.wikimedia.org/wikipedia/commons/thumb/0/08/EmacsIcon.svg/1024px-EmacsIcon.svg.png" height="40"></img> <br/> <img data-src="https://www.docker.com/sites/default/files/d8/2019-07/Moby-logo.png" height="40"></img> <img data-src="https://upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Python-logo-notext.svg/768px-Python-logo-notext.svg.png" height="40"></img> <img data-src="https://download.logo.wine/logo/Kubernetes/Kubernetes-Logo.wine.png" height="60"></img> <img data-src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/95/Vue.js_Logo_2.svg/555px-Vue.js_Logo_2.svg.png" height="40"></img> <img data-src="https://upload.wikimedia.org/wikipedia/commons/thumb/a/af/Lichess_Logo.svg/1200px-Lichess_Logo.svg.png" height="50"></img>

Thanks for listening! <br/> <br/> <br/> <div style="text-align: left"> <small> <a href="https://gitea.codingcoffee.me/codingcoffee/slides" target="_blank">codingcoffee/slides</a> </small> </div> <div style="text-align: right"> <a href="https://codingcoffee.dev/" target="_blank">Ameya Shenoy</a> </div>