duyhenryer

# install haproxy
yum install -y haproxy

# config haproxy for rabbitmq
cat > /etc/haproxy/haproxy.cfg << "EOF"
global
  log 127.0.0.1 local0 notice

  maxconn 10000
  user haproxy

duyhenryer

How to get Telegram Bot Chat ID

Content :

1. Create a Telegram Bot and get a Bot Token
2. Get Chat ID for a Private Chat
3. Get Chat ID for a Channel
4. Get Chat ID for a Group Chat
5. Get Chat ID for a Topic in a Group Chat

Create a Telegram Bot and get a Bot Token

duyhenryer

Table of Contents

• set -e, -u, -x, -o pipefail
• set -e
• set -x
• set -u
• set -o pipefail
• Setting IFS
• Original Reference

set -e, -u, -x, -o pipefail

duyhenryer

iptables cheat sheet

• https://accelazh.github.io/network/Play-With-iptables

Concepts

iptables defines tables, which group features:

• filter: use it to filter traffic
• nat: use it to implement NAT
• raw: use it to define which connections iptables should track (stateful firewall)
• mangle: use it to change some fields in packets (e.g., TTL)
• security: use it to define access control

duyhenryer

JWT Kong Example

• Get and Start Kong and Co

git clone [email protected]:Mashape/docker-kong.git
cd docker-kong/compose
docker-compose up

• Create Kong API Route

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# This file is:  ~/.ssh/config

# You may have other (non-CodeCommit) SSH credentials stored in this
# config file – in addition to the CodeCommit settings shown below.

# NOTE: Make sure to run [ chmod 600 ~/.ssh/config ] after creating this file!

# Credentials for Account1
Host awscc-account1                                 # 'awscc-account1' is a name you pick
  Hostname git-codecommit.us-east-1.amazonaws.com   # This points to CodeCommit in the 'US East' region

duyhenryer

How to register Rancher managed Kubernetes clusters in Argo CD

Registering Rancher managed clusters in Argo CD doesn't work out of the box unless the Authorized Cluster Endpoint is used. Many users will prefer an integration of Argo CD via the central Rancher authentication proxy (which shares the network endpoint of the Rancher API/GUI). So let's find out why registering clusters via Rancher auth proxy fails and how to make it work.

Hint: If you are just looking for the solution scroll to the bottom of this page.

Why do i get an error when running argocd cluster add?

Service Account tokens and the Rancher authentication proxy

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Retrieve hosted zones with aws route53 list-hosted-zones then enter the zone Id below:

aws route53 list-resource-record-sets --hosted-zone-id "/hostedzone/xxxxxxxxxxx" | \
   jq -r '.ResourceRecordSets[] | [.Name, .Type, (.ResourceRecords[]? | .Value), .AliasTarget.DNSName?]  | @tsv'

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# ~/.config/starship.toml

[battery]
full_symbol = "🔋"
charging_symbol = "🔌"
discharging_symbol = "⚡"

[[battery.display]]
threshold = 30
style = "bold red"

duyhenryer

# Start minikube
minikube ip || minikube start --vm-driver=kvm2 --cpus=8 --memory=10000 --insecure-registry=192.168.0.0/16
for addon in default-storageclass ingress storage-provisioner
do
  minikube addons list | grep $addon | grep -q enabled || minikube addons enable $addon
done
# Init helm
helm repo add gitlab https://charts.gitlab.io/
helm repo update
# Gensecrets