constantlycoding

.csr - Certificate Signing Request
.pem - certificate container
-----BEGIN CERTIFICATE REQUEST----- and -----END CERTIFICATE REQUEST----- show a CSR in PEM format.
-----BEGIN RSA PRIVATE KEY----- and -----END RSA PRIVATE KEY----- show a private key in PEM format.
-----BEGIN CERTIFICATE----- and -----END CERTIFICATE----- show a certificate file in PEM format.
.key - PEM formatted file containing just private-key
.p12 - Passworded certificate container that contains both public and private certificate pairs
.der - a .pem file is just a Base64 encoded .der file
.crt - a .pem (or rarely .der) file recognized by Windows

constantlycoding

#-------------------------------------------------------------------------------------
# Create Self signed root certificate
# -dnsname -DnsName domain.example.com,anothersubdomain.example.com
# -Subject "CN=Patti Fuller,OU=UserAccounts,DC=corp,DC=contoso,DC=com" 
$cert = New-SelfSignedCertificate -Type Custom -KeySpec Signature `
-Subject "CN=P2SRootCert" `
-KeyExportPolicy Exportable `
-HashAlgorithm sha256 -KeyLength 4096 `
-CertStoreLocation "Cert:\CurrentUser\My" `
-KeyUsageProperty Sign `

constantlycoding

if has('gui_running')
  set go-=T  " no toolbar
  set lines=60 columns=108 linespace=0
  set gfn=Consolas:h12:cANSI
endif

set nocp
set nu

colo morning

constantlycoding

Core Concepts 19%

Cluster Architecture

etcd

cat /etc/systemd/system/etcd.service
cat /etc/kubernetes/manifests/etcd.yaml (kubeadm)
ps -fC etcd | cat

kube-api

constantlycoding

Autocomplete

alias k=kubectl
complete -F __start_kubectl k

Namespace

# Create
k create ns dev

constantlycoding

Create load balancer

gcloud compute forwarding-rules create nginx-lb \
         --region us-central1 \
         --ports=80 \
         --target-pool nginx-pool

Check

gcloud compute forwarding-rules list

constantlycoding

Aliases

alias ka='kubectl api-resources'
alias kap='kubectl apply'
alias kc='kubectl cluster-info'
alias kd='kubectl describe'
alias kdl='kubectl delete'
alias ke='kubectl exec'
alias kex='kubectl explain'
alias kep='kubectl expose'

constantlycoding

#!/bin/bash
apt-get update

constantlycoding

git config user.name "Azmi Kamis"
git config user.email "azmi.kamis@constantlycoding.com"

constantlycoding

cd /d C:\Program Files\Docker\Docker\resources\bin

aria2c https://github.com/thomasliddledba/kubenswin/raw/master/bin/kubenswin.exe
aria2c https://github.com/thomasliddledba/kubectxwin/raw/master/bin/kubectxwin.exe

ren kubectxwin.exe kubectx.exe
ren kubenswin.exe kubens.exe