hungnt1

#!/usr/bin/env bash
set -ex

NAMESPACE="default"
NAME="admin"
SECRET_NAME="admin-secret"

kubectl create serviceaccount -n $NAMESPACE $NAME
kubectl create clusterrolebinding $NAMESPACE-$NAME --clusterrole=cluster-admin --serviceaccount=$NAMESPACE:$NAME

hungnt1

version: '3'

services:
  redis:
    image: redis:5.0.0
    container_name: master
    ports:
      - "6379:6379"
    networks:
      - redis-replication

hungnt1

# https://elinux.org/Jetson/FAQ/BSP/RootFS_Reduction#Remove_installed_deb_packages

## Step 1, safe
sudo apt update
sudo apt autoremove -y
sudo apt clean
sudo apt remove thunderbird libreoffice-* -y

## Step 2, still safe but not recommended for dev use
# samples

hungnt1

### 1: Drop invalid packets ###
/sbin/iptables -t mangle -A PREROUTING -m conntrack --ctstate INVALID -j DROP

### 2: Drop TCP packets that are new and are not SYN ###
/sbin/iptables -t mangle -A PREROUTING -p tcp ! --syn -m conntrack --ctstate NEW -j DROP

### 3: Drop SYN packets with suspicious MSS value ###
/sbin/iptables -t mangle -A PREROUTING -p tcp -m conntrack --ctstate NEW -m tcpmss ! --mss 536:65535 -j DROP

### 4: Block packets with bogus TCP flags ###

hungnt1

#!/usr/bin/env bash
#
# Certbot Nginx Reload
#
# Let's Encrypt Certbot post hook command for Nginx which checks the updated
# configuration files and reloads the server if everything validates.
#
# Author   : Justin Hartman <code@justinhartman.co>
# Version  : 1.0.1
# License  : MIT <https://opensource.org/licenses/MIT>

hungnt1

#!/bin/bash
IPT="/sbin/iptables"

# Server IP
SERVER_IP="$(ip addr show eth0 | grep 'inet ' | cut -f2 | awk '{ print $2}')"

# Your DNS servers you use: cat /etc/resolv.conf
DNS_SERVER="8.8.4.4 8.8.8.8"

# Allow connections to this package servers

hungnt1

List of links from Designing Event-Driven Systems by Ben Stopford

Designing Event-Driven Systems book by Ben Stopford contains a lot of useful links to papers, books, documentation and definitions related to event driven design and Kafka. I just extracted them as reference for the future and added some groups to show them better.

You can read the book for free

• A Crystal Ball to Prioritise Technical Debt in Monoliths or Microservices: Adam Tornhill's Thoughts
• Brewer's CAP Theorem <= :julianbrowne

hungnt1

Create Instances for Prometheus Server and Grafana

Download Prometheus Server

cd /tmp
wget -c https://github.com/prometheus/prometheus/releases/download/v2.13.1/prometheus-2.13.1.linux-amd64.tar.gz

Extract Prometheus Server

hungnt1

# Disable extraneous services on Server 2016 Desktop Experience
# https://blogs.technet.microsoft.com/secguide/2017/05/29/guidance-on-disabling-system-services-on-windows-server-2016-with-desktop-experience/
Configuration DisablingServicesOnServer2016wDE
{
    param(
        [String]$ComputerName = "localhost",
        [ValidateSet('ShouldBeDisabledOnly','ShouldBeDisabledAndDefaultOnly','OKToDisable','OKToDisablePrinter','OKToDisableDC')]
        [String]$Level = 'OKToDisable'
    )

hungnt1

#!/bin/bash 

# Thanks to all the nice folks @seemoo-lab for making this possible.
# See: https://github.com/seemoo-lab/nexmon
# This script should be run as root (i.e: sudo ./nexmon.sh) from the /home/pi/ directory!

function info {
	tput bold;
	tput setaf 3;
	echo $1;