niharbabu99

Command-1:
 cat eucentra1-crs.json | jq -c '(.CapacityReservations[] | {ID: .CapacityReservationId, Available: .AvailableInstanceCount, Type: .InstanceType})'
 this gives the result in the below form 
 {"ID":"cr-00556b16e475b63d8","Available":0,"Type":"t3.medium"}
 Sample contents of the json is as below
 {
    "CapacityReservations": [
        {
            "CapacityReservationId": "cr-1234abcd56EXAMPLE ",
            "EndDateType": "unlimited",

niharbabu99

https://github.com/bluemixgaragelondon/cf-blue-green-deploy

bosh scp or bosh ssh command fails in a host machine if nc[netcat] is not present. You should install netcat-openbsd package instead of traditional nc package

bosh delete-release {release-name}/{version}
bosh -d {deployment-name} delete-deployment
bosh -d {deployment-name} deploy [path/to/manifest/yamlfile]
to route the storm UI 
bosh ssh -d storm-demo nimbus_instance/0 -- -L 6078:127.0.0.1:8089
https://starkandwayne.com/blog/collocated-bosh-errands-run-one-off-tasks-inside-your-instances/

niharbabu99

not much resource managment as everything is containers
decleratives in nature

What is Concourse:

DEF: 

Concourse “pipelines” are YAML files that declare resources to use, e.g. Git repos or Docker images, and contain a set of jobs to execute. In turn, jobs are sub-divided into tasks and each task runs in a container. Some readers may be surprised to learn that Docker and containerisation aren’t synonymous. Concourse uses Garden containers and when a task needs Docker, e.g. to build a Docker image, Docker runs in a Garden container!

Why Concourse: