worldofprasanna

input := "Hello World"
sha512Instance := sha512.New()
sha512Instance.Write([]byte(input))
fmt.Printf("sha512:\t\t%x\n", sha512Instance.Sum(nil))

worldofprasanna

key := "Symmetric Key" //
func getGCM() {
	if block, err := aes.NewCipher(key); err != nil {
		return nil, err
	} else if gcm, err := cipher.NewGCM(block); err != nil {	
		return nil, err
	} else {
		return gcm, nil
	}
}

worldofprasanna

plainText := "Hello World"
plainTextBytes := []byte(plainText)
cipherText := base64.StdEncoding.EncodeToString(plainTextBytes)
fmt.Println(cipherText)
// Output: SGVsbG8gV29ybGQ=

worldofprasanna

Keybase proof

I hereby claim:

• I am worldofprasanna on github.
• I am worldofprasanna (https://keybase.io/worldofprasanna) on keybase.
• I have a public key ASAOPCbafRrvnqn7HeVnyY-sUuhIPV5R8qz2bgTbeqREigo

To claim this, I am signing this object:

worldofprasanna

# Install jekyll
gem install jekyll bundler

# Create new site and serve it
jekyll new crescent-college-website
cd crescent-college-website
jekyll serve

# git commands
git clone <repo-url>

worldofprasanna

# Indicate whether user is in Normal / Insert mode
function zle-line-init zle-keymap-select {
   VIM_PROMPT="%{$fg_bold[yellow]%} [% NORMAL]%  %{$reset_color%}"
   RPS1="${${KEYMAP/vicmd/$VIM_PROMPT}/(main|viins)/} $EPS1"
   zle reset-prompt
 }

 set -o vi

 zle -N zle-line-init

worldofprasanna

# To delete all the deployments
kubectl get deployments --namespace default -o jsonpath="{.items[*].metadata.name}" | xargs kubectl delete deployment

worldofprasanna

# Start minikube cluster in local
minikube start

# optionally start with cpu s and memory
minikube start --cpus=4 --memory=4096

# to change the docker machine to point to the kubernetes cluster
eval $(minikube docker-env)

# Note: Kubernetes supports docker version - 1.11.1. 

worldofprasanna

Reference: https://prakhar.me/docker-curriculum/#busybox

# Run a static website in background. d - detach mode, P - expose all ports, --name give name to the running container
docker run -d -P --name static-site prakhar1989/static-site

# To see the ports used
docker port static-site

# Docker networks

worldofprasanna

Useful commands in vim-orgmode

Headers

      1. *, **, etc for creating headings, sub headings
      2. To continue headers, press <enter> in normal mode
      3. >>, << to convert sub headers to headers or vice versa
      4. <Tab> and <S-Tab> to fold headers
      5. zm, zr to close the whole list