Windows: remove file contents

 Use internal command:

break>'/path/to/the/file'

Troubleshooting AWS CloudFormation

https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/troubleshooting.html#basic-ts-guide

 https://stackoverflow.com/questions/23818209/user-data-scripts-fails-without-giving-reason

Kubernetes: kubectl config management.

 Config kubectl

Script to set current contexts:

clear

production="true"

[[ $0 != $BASH_SOURCE ]] && contextName=$BASH_SOURCE || contextName=$0

contextName=${contextName##*/}

export KUBECONFIG=~/.kube/config.${contextName}

kubectl config use-context ${contextName}

#starts 38;5; for the foreground and 48;5; for the background, then the color number

if [ $production == "true" ]; then

  export PS1="\e[38;5;016;0;48;5;166m\u@\H:\w - \e[5m$contextName\e[25m $ "

else

  export PS1="\e[38;5;012;48;5;015m\u@\H:\w - $contextName $ "

fi

  

kubectl config get-contexts