Varun Kumar is a Senior Consultant with experience in cloud engineering and DevOps. He has over 8 years of experience in cloud computing. He holds several AWS certifications and has published research papers. Varun delivers training on AWS cloud topics. In his role, he helps clients with cloud migrations, implementing DevOps practices, and automating AWS resources.

2. Varun Kumar
Senior Consultant,
Cloud Engineering
Background
Varun Kumar is a Senior Consultant with Deloitte SEA & AWS APN Ambassador. He is a cloud
professional over 8 plus years of diversified experience in DevOps.
• Varun is also a Research Scholar, published three research papers, including IEEE. His
research area & topic was virtualization and Hypervisors.
• He is a Technical Blogger, wrote many blogs about AWS cloud, DevOps. DevSecOps
and in general cloud computing topics.
• He is a professional cloud trainer, delivered many training across the globe and share
his knowledge toward community which includes collage students, fresher's and
Corporate professionals.
Please find more details:
• https://www.linkedin.com/in/vkmanik/
• https://medium.com/@varunmanik1
• https://www.facebook.com/cloudvirtualization/
• https://twitter.com/varunkmanik/
• https://www.youtube.com/channel/UCcuMPYJ4Osax4528rgqQWrw

3. Qualifications
&
Professional
Affiliations
• Qualification:
• Master Degree in Computer Science.
• Professional Certificate:
• AWS Certified Solutions Architect - Professional
• AWS Certified Developer – Associate
• AWS Certified SysOps - Associate
• AWS Certified Solution Architect – Associate
• AWS Certified Practitioner
• Red Hat Certificate of Expertise in Ansible Automation

4. Notable
Recent
Experiences
• Cloud migration lead at a large media company based in South
East Asia, providing ongoing consulting, improvement feedback,
and cloud expertise to this team for implementation of DevOps
practices and migration of their CRM/billing systems to cloud.
• Building DevOps, DevSecOps capabilities and Automation labs
within the organization by implementing various tools for
Continuous Integration (CI), Continuous Deployment (CD) and
Continuous Assessment (CA) for multiple accounts.
• Lead the automation team, Automate daily Cloud tasks in DevOps
Tools, Create & configure automation of AWS resources with
DevOps best practice to enhance the CICD (Continuous Integration
and Continuous Delivery) process for the organization.
• Built the DevOps, DevSecOps, DevFinOps practice within the
organization and enabled a DevOps champion in every product
team, leading to cohesive standards and capabilities in these
areas.

5. Topic: Cloud Security for Web Server
• What is AWS …? 5 min
• How to launch the EC2 Virtual Machine 5 min
• Security Group Explanations 5 min
• Connect with EC2 Linux machine 5 min
• Installation of Apache Web server 5 min
• Installation of Security Packages 5 min
• Replace the default Web Server banner with Custom banner 5 min
• Question & Answers 3 min

7. How to
launch the
EC2 Virtual
Machine

8. Security
Group
Explanations

9. Connect with EC2 Linux machine

10. Installation of
Apache Web
server &
Security
package
HTTPD Installation
• yum install httpd curl -y
• service httpd restart
• service httpd status
• curl localhost
• netstat
• netstat | grep 80
• service httpd status
• cd /var/www/html/
• echo "hi" > index.html
• cat index.html
ServerSignature Off ServerTokens Prod
Security package installation &
Configuration
• yum install mod_security -y
• ADD THESE 2 LINES in the end
of the belwo file
• vim /etc/httpd/conf/httpd.conf
• ServerTokens Full
• SecServerSignature
“ManikCloud”
• service httpd restart
• curl -I -L http://localhost
• history

11. Demo with
Proof on
Terminal

12. Demo with Proof on Web Browser

13. Important
Links for this
tutorial
• YouTube: https://bit.ly/32fknRN
• Github: https://github.com/manikcloud/copilot
• SlideShare: https://www.slideshare.net/manikvarun/aws-
user-group-singapore-presentation

14. Question & Answers….?

15. Thanks…..!
• Please find more details:
• https://www.linkedin.com/in/vkmanik/
• https://medium.com/@varunmanik1
• https://www.facebook.com/cloudvirtualization/
• https://twitter.com/varunkmanik/
• https://www.youtube.com/channel/UCcuMPYJ4Osax4528r
gqQWrw