DevSecOps Notes

EBS - Diffrent Volume Types:  - General Purpose (SSD) - gp2  - Provisioned IOPS (SSD) -io1  - Throughput Optimized (HDD) -st1  - Cold (HDD) -sc1 Compare Volume Types A) Solid-State Drives (SSD)

System Status Checks (Checks Host) -Loss of network connectivity -Loss of system power -Software issues on the physical host -Hardware issues on the physical host -Best way to resolve issues is to stop and then start the VM again Instance Status Checks (Checks VM) -Failed system status checks -Misconfigured networking or startup configuration -Exhausted memory -Corrupted file system -Incompatible kernel -Best way to trouble shoot is by rebooting the instance or by making  modification in your operating system

1. )Amazon Cloud Watch - is monitoring service to monitor your AWS resources, as well as the application that you run on AWS. CloudWatch can monitor things like: a) Compute -Autoscaling Groups -Elastic Load Balancers -Route53 Health Checks b) Storage & Content Delivery -EBS Volumes -Storage Gateways -CloudFront c) Databases & Analytics -DynamoDB -Elasticache Nodes -RDS Instances -Elastic MapReduce Job Flows -Redshift d) Other -SNS Topics -SQS Queues -Opsworks -CloudWatch Logs -Estimated Charges on your AWS Bill Host Level Metrics Consist of: -CPU   * CPUUtilization -Network  * NetworkIn  * NetworkOut  * NetworkPacketsIn  * NetworkPacketsOut -Disk  * DiskReadOps  * DiskWriteOps  * DiskReadBytes  *D iskWriteBytes -Status Check  * StatusCheckFailed  * StatusCheckFailed_Instance  * StatusCheckFailed_System Tip: -RAM Utilization is a custom metric. -By default EC2 m...

https://aws.amazon.com/certification/certified-sysops-admin-associate/ 80 min 70% secure pass exam 1) Monitoring & Metrics 2) High Availability 3) Analysis 4) Deployment & Provisioning 5) Data Management 6) Security 7) Networking

https://circleci.com/blog/testing-docker-images-with-circleci-and-goss/

https://aws.amazon.com/blogs/database/viewing-amazon-elasticsearch-service-slow-logs/