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How to configure

Steps

Install dependencies

sudo apt-get update -y -q
sudo apt-get install -y -q nginx certbot python3-certbot-nginx
sudo apt-get install -y -q nodejs npm

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Configure variables

These variables will be used for this snippet. Please substitute accordingly.

export RootCAName="root_ca"
export InterCAName="inter_ca"
export CommonName="hashidemos.io"
export InterCommonName="inter.hashidemos.io"
export Root_CA_ttl="730h"
export Inter_CA_ttl="350h"
export Cert_ttl="8h"

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Multipass

It works both with VirtualBox and Hyper-V on Windows, it also support MacOS including M1

Install

Configure virtualization driver

If you want VirtualBox (works on Linux, Windows, and MacOS)

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cat > /etc/default/step-ca <<'EOF'
STEPPATH="/etc/step-ca"
PASSWORD_FILE="/etc/step-ca/passwd"
CONFIG_FILE="/etc/step-ca/config/ca.json"
STEP_CA_TOKEN="..."
EOF

cat > /etc/systemd/system/step-ca.service <<'EOF'
[Unit]

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Host plain simple Docker Registry on Raspberry Pi with MinIO storage backend

Install golang

curl -fsSLO https://go.dev/dl/go1.17.8.linux-armv6l.tar.gz
sudo rm -rf /usr/local/go
sudo tar -C /usr/local -xzf go1.17.8.linux-armv6l.tar.gz
rm -f go1.17.8.linux-armv6l.tar.gz
cat <<'EOF' | tee -a ~/.profile > /dev/null

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Prerequisites:

• Mikrotik API is enabled (IP > Services > API, enabled on port 8728 and/or 8729)
• Mikrotik API ports are allowed (IP > Firewall > Filter Rules, input chain has both TCP ports allowed)
• Mikrotik management interface IP address is reachable
• Linux (VM or real hardware)

Steps

• Download the script from here to your Linux machine - https://wiki.mikrotik.com/wiki/Manual:API_Python3
• Find all input rules, input and press enter twice:

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PUT _template/cloudtrail
{
  "index_patterns": ["cloudtrail-*"],
  "settings": {
    "number_of_shards": 1,
    "mapping": {
      "total_fields": {
        "limit": 10000
      }
    }

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import "sockaddr"
import "strings"

#
# allow update secrets under secret/ path only to clients coming from 10.0.0.0/8 CIDR range
#

precond = rule {
    request.operation in ["update"] and
    strings.has_prefix(request.path, "secret/")

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conky.config = {
    alignment = 'top_right',
    background = false,
    border_width = 1,
    cpu_avg_samples = 2,
    default_color = 'white',
    default_outline_color = 'white',
    default_shade_color = 'white',
    draw_borders = false,
    draw_graph_borders = true,

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Prepare two K8s clusters

Context east

Create cluster on GCP

$ gcloud container clusters create multi-cluster-demo --preemptible