Grooming Classroomnotes 28/Mar/2023

Grooming Sessions for DevOps and Cloud Engineers

Skills

• Ensure Applications run smoothly
  • Troubleshooting
  • Servers
    • Web Servers
    • Application Servers
    • Database Servers
    • Clusters
• Embracing Commandline
  • Windows
  • Linux
  • Mac
• Datacenters
  • On-premises
  • Cloud
• Virtualizations
• Network
• Storage
• Installations/Configurations

Datacenter

• Datacenter has collection of servers organized in racks
• Each rack gets parallel power and network connection
• Each rack has a TORS (Top of the rack switch) to distribute the network to multiple servers in rack
• In Racks we use blade servers
  

Application (PVR movies)

• The architecture of pvr movies
  

How to run the application on Servers ?

• Applications can be deployed on the servers
• Approach 1:
  • Directly install os on Physical servers
    
  • Problem: ROI is time taking
• Approach 2: Hypervisors:
  • Hypervisors help us in creating virtual machines
    

Terms

• Capex (Capital expenditure)
• Opex (Operational expenditure)
• ROI (Return On Investment)
• Deploy
• Hypervisor
• BCDR (Business Continuity and Disaster Recovery)