Hadi Azaddel hadi2f244

## kubeshark
```
# start kubeshark on port 0.0.0.0:8899 for all namespaces and decrypt tls connection
sudo kubeshark tap  --docker-registry nexus.hadiazad.local/kubeshark --proxy-host 0.0.0.0 --ignoretainted  --tls
# Delete kubeshark deployments
sudo kubeshark clean
```

You can also change kubeshark config :
```
# create config file :

## show_pods_resource_list
sudo kubectl get po -o custom-columns="Name:metadata.name,CPU-limit:spec.containers[*].resources.limits.cpu, CPU-request:spec.containers[*].resources.requests.cpu, memory-limits:spec.containers[*].resources.limits.memory, memory-request:spec.containers[*].resources.requests.memory"  -A

## check_tcp_pod
</dev/tcp/nginx-1.nginx-1.svc.cluster.local/80 && echo open || echo closed

## limit_journald_log_size
sudo sed -i '/^#SystemMaxUse=/s/^#//; s/^SystemMaxUse=.*/SystemMaxUse=50M/' /etc/systemd/journald.conf && sudo service systemd-journald restart

## nexus_upload.sh
find . -type f -print | xargs -I {} curl -v -u admin:admin123 --upload-file {} https://nexus.hadiazad.local/repository/FileRepo/\{\}

## step-ca-readme.md

      
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                hadi2f244
                / step-ca-readme.md
            
            
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              July 26, 2023 08:44
            
              
                A simple guidance for installing CA with step-ca
              
          
    Prerequisites:


DNS server (You can use Powerdns and PowerDns Admin)

CA Server


Install step and step-ca commands. Follow official document or simply :

curl -L https://dl.smallstep.com/gh-release/cli/docs-ca-install/v0.23.2/step_linux_0.23.2_amd64.tar.gz \
   -o step.tar.gz
tar -xf step.tar.gz
sudo cp step_0.23.2/bin/step /usr/bin


## docker-compose.yml
version: '2'

services:
  db:
    image: mariadb:latest
    environment:
      - MYSQL_ALLOW_EMPTY_PASSWORD=yes
      - MYSQL_DATABASE=powerdnsadmin
      - MYSQL_USER=pdns
      - MYSQL_PASSWORD=mypdns

## custom_tcp_pkt.py
import socket
import struct
import array
import argparse

# Instantiate the parser
parser = argparse.ArgumentParser(description='Send custom tcp packet')

parser.add_argument('src_ip', type=str,
                    help='Source IP address')

## fileio_sysbench.sh
#!/bin/bash

sysbench fileio cleanup
total_sizes=(
    13M
    10G
)

test_type=(
    seqwr  # sequential write

## cloudSettings
{"lastUpload":"2020-12-30T11:03:52.998Z","extensionVersion":"v3.4.3"}
	```
	# start kubeshark on port 0.0.0.0:8899 for all namespaces and decrypt tls connection
	sudo kubeshark tap --docker-registry nexus.hadiazad.local/kubeshark --proxy-host 0.0.0.0 --ignoretainted --tls
	# Delete kubeshark deployments
	sudo kubeshark clean
	```

	You can also change kubeshark config :
	```
	# create config file :
	version: '2'

	services:
	db:
	image: mariadb:latest
	environment:
	- MYSQL_ALLOW_EMPTY_PASSWORD=yes
	- MYSQL_DATABASE=powerdnsadmin
	- MYSQL_USER=pdns
	- MYSQL_PASSWORD=mypdns
	import socket
	import struct
	import array
	import argparse

	# Instantiate the parser
	parser = argparse.ArgumentParser(description='Send custom tcp packet')

	parser.add_argument('src_ip', type=str,
	help='Source IP address')
	#!/bin/bash

	sysbench fileio cleanup
	total_sizes=(
	13M
	10G
	)

	test_type=(
	seqwr # sequential write