Rohan Pande rohanpande

We can use pem file to login into remote server from our local machines. Infact if you use AWS, the only way to SSH into the server is using pem file.

1. On your local Machine from where you require access, Home directory of the user is preferable

cd ~
ssh-keygen -t rsa -b 2048

Generating public/private rsa key pair.
Enter file in which to save the key (/home/user/.ssh/id_rsa):

The netfilter hooks in the kernel and where they hook in the packet flow

The figure below calls out

The netfilter hooks
The order of table traversal

Kafka

Video Link: Apache Kafka Crash Course | What is Kafka?

Prerequisite

Knowledge
- Node.JS Intermediate level
- Experience with designing distributed systems
Tools
- Node.js: Download Node.JS
- Docker: Download Docker
- VsCode: Download VSCode

	class ThreadedTCPRequestHandler(SocketServer.BaseRequestHandler):

	def handle(self):
	logger.info({'module': 'server', 'msg': 'Client connected %s' % self.client_address[0]})
	cur_thread = threading.current_thread()

	data = self.request.recv(1024) # clip input at 1Kb
	try:
	msg_analyser(data)
	response = "{}: {}".format(cur_thread.name, data)

	#!/bin/bash

	sudo apt install fontconfig
	cd ~
	wget https://github.com/ryanoasis/nerd-fonts/releases/download/v2.1.0/Meslo.zip
	mkdir -p .local/share/fonts
	unzip Meslo.zip -d .local/share/fonts
	cd .local/share/fonts
	rm Windows
	cd ~

	#!/bin/bash

	if [ $# -ne 4 ]
	then
	echo "Usage: $0 <host> <port> <pattern> <seconds>"
	exit 1
	fi

	cursor=-1
	keys=""

	Source: https://edwilliams.org/sunrise_sunset_example.htm

	Source:
	Almanac for Computers, 1990
	published by Nautical Almanac Office
	United States Naval Observatory
	Washington, DC 20392

	Inputs:
	day, month, year: date of sunrise/sunset

	[Unit]
	Description=Beanstalkd is a simple, fast work queue

	[Service]
	User=nobody
	Restart=always
	RestartSec=500ms
	ExecStart=/usr/local/bin/beanstalkd -b /var/lib/beanstalkd
	LimitNOFILE=10240