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#!/bin/bash

# IMPORTANT: Don't forget to logout from your Apple ID in the settings before running it!
# IMPORTANT: You will need to run this script from Recovery. In fact, macOS Catalina brings read-only filesystem which prevent this script from working from the main OS.
# This script needs to be run from the volume you wish to use.
# E.g. run it like this: cd /Volumes/Macintosh\ HD && sh /Volumes/Macintosh\ HD/Users/sabri/Desktop/disable.sh
# WARNING: It might disable things that you may not like. Please double check the services in the TODISABLE vars.

# Get active services: launchctl list | grep -v "\-\t0"
# Find a service: grep -lR [service] /System/Library/Launch* /Library/Launch* ~/Library/LaunchAgents

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AWK

Get users with uid > 1000

awk -F'[/:]' '{if ($3 >= 1000 && $3 != 65534) print $1}' /etc/passwd

Grep

Links:

• http://najomi.org/_nix/grep

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https://explainshell.com/

Find the largest file in a directory and its subdirectories using the find command & more

find . -printf '%s %p\n'| sort -nr | head -10

@see https://www.cyberciti.biz/faq/how-do-i-find-the-largest-filesdirectories-on-a-linuxunixbsd-filesystem/

Show host IP address for a specific domain

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#################################
# Running Jenkins In Kubernetes #
# Tutorial And Review           #
# https://youtu.be/2Kc3fUJANAc  #
#################################

# Referenced videos:
# - GitHub CLI - How to manage repositories more efficiently: https://youtu.be/BII6ZY2Rnlc
# - Kaniko - Building Container Images In Kubernetes Without Docker: https://youtu.be/EgwVQN6GNJg
# - Kustomize - How to Simplify Kubernetes Configuration Management: https://youtu.be/Twtbg6LFnAg

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What to Expect and Tips

• 45-minute systems interview, focus on responding to real world problems with an unhealthy service, such as a web server or database. The interview will start off at a high level troubleshooting a likely scenario, dig deeper to find the cause and some possible solutions for it. The goal is to probe your knowledge of systems at scale and under load, so keep in mind the challenges of the Facebook environment.
• Focus on things such as tooling, memory management and unix process lifecycle.

Systems

More specifically, linux troubleshooting and debugging. Understanding things like memory, io, cpu, shell, memory etc. would be pretty helpful. Knowing how to actually write a unix shell would also be a good idea. What tools might you use to debug something? On another note, this interview will likely push your boundaries of what you know (and how to implement it).

Design/Architecture 

Interview is all about taking an ambiguous question of how you might build a system and letting

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import org.kohsuke.github.*

/*
 * This pipeline uses the Jenkins Job DSL plugin to create the multi-branch pipelines
 * for your Github Organization repositories.
 *
 * @see https://wiki.jenkins-ci.org/display/JENKINS/Job+DSL+Plugin
 *
 * It does not consumes 5k requests in 6 minutes, but actually queries the Github API
 * for the repositories in organization and creates the Multi-Branch Pipelines in Jenkins.

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def fizzbuzz(n):

    if n % 3 == 0 and n % 5 == 0:
        return 'FizzBuzz'
    elif n % 3 == 0:
        return 'Fizz'
    elif n % 5 == 0:
        return 'Buzz'
    else:
        return str(n)

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"""
Minimal character-level Vanilla RNN model. Written by Andrej Karpathy (@karpathy)
BSD License
"""
import numpy as np

# data I/O
data = open('input.txt', 'r').read() # should be simple plain text file
chars = list(set(data))
data_size, vocab_size = len(data), len(chars)

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#!/usr/bin/env python
"""
Simple HTTP URL redirector
Shreyas Cholia 10/01/2015

usage: redirect.py [-h] [--port PORT] [--ip IP] redirect_url

HTTP redirect server

positional arguments:

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#!/usr/bin/python -tt
#
import datetime
import json
import logging
import logging.handlers
import optparse
import os
import re
import shutil