Cloud Operations
We run an e-commerce application on AWS/Azure. Key operational areas include:
- Backup & Recovery
- Security
- Network
- Firewall
- Vulnerability Management
- CVE (Common Vulnerabilities and Exposures)
- Patching
- Monitoring
- Application
- Infrastructure
- Network
- Troubleshooting
Ops Terminology
| Term | Full Form | Description |
|---|---|---|
| MTTF | Mean Time To Failure | Average time a system operates before it fails |
| MTTR | Mean Time To Recovery | Average time taken to recover after a failure |
| MTBF | Mean Time Between Failures | Average time between one failure and the next |
| SLA | Service Level Agreement | Commitment on uptime/availability between provider and customer |
Hypervisors
Hypervisors are used to create virtual machines by virtualizing hardware resources such as:
- CPU
- RAM
- Disk
- NIC (Network Interface Card)
1. Bare Metal Hypervisor
- Installed directly on the physical server
- Creates and manages virtual machines
- Example: VMware ESXi
2. Hosted Hypervisor
- Installed on top of an operating system
- Creates virtual machines within the host OS
- Examples:
- WSL (Hyper-V)
- VMware Workstation
- VirtualBox
