d8devs.com – Developer, Maker.

04.07.202204.07.2022

WslRegisterDistribution failed with error: 0x80370102

First you need the check if the CPU Virtualization in your BIOS.

Second, check the Hyper-V Windows Feature, if this enabled.

If both of them enabled, I had fixes this problem with the following codee and rebooting system.

bcdedit /set hypervisorlaunchtype auto

20.06.202220.06.2022

CNAME (alias) Check for Domain/-s via Bash Script

#!/bin/bash
#set -x

print_usage() {
  printf "Usage: aliastest.sh -a alis-domain.tld -d domain.tld domain2.tld" 
}

# Get the options
while getopts ":h:a:d:" option; do
   case $option in
      h) # display Help
         print_usage
         exit;;
      a) # The alias hostname for check
         hostname=$OPTARG
         ;;
      d) # Domain or domains
         domains=$OPTARG
         ;;
   esac
done

for domain in $domains
do
        echo "Check for $domain:" 
        echo "-------------------" 
        CNAME=$(dig +short CNAME $domain)
        if [ "${CNAME}" == "${hostname}." ]; then
                echo "$domain is alias for $hostname" 
        else
                echo "$domain is NOT alias for $hostname" 

        fi
done

31.05.202231.05.2022

Cert-Manager – Kubernetes NGINX Ingress with Cert-Manager

Install

Cert-manager is easy to install with Helm Package Manager. The first step is add Jetstack repository in our repository and becoming the package info with update

helm repo add jetstack https://charts.jetstack.io
helm repo update

Now we can install Cert-Manager with CRDs into our cluster:

helm install cert-manager jetstack/cert-manager --namespace cert-manager --create-namespace --set installCRDs=true

Cert-manager have also a kubectl plugin to easily manage configs and resources

OS=$(go env GOOS); ARCH=$(go env GOARCH); curl -sSL -o kubectl-cert-manager.tar.gz https://github.com/cert-manager/cert-manager/releases/download/v1.7.2/kubectl-cert_manager-$OS-$ARCH.tar.gz
tar xzf kubectl-cert-manager.tar.gz
sudo mv kubectl-cert_manager /usr/local/bin