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security cybersecurity

Career Changer's Lab — build the machine you'll learn on

Build the machine you are going to learn on, from a laptop that currently has nothing on it. A hypervisor, a Kali virtual machine, snapshots, Linux from the ground up, and a written procedure for rebuilding all of it from nothing. Lab construction and fundamentals only — nothing here teaches you to attack anything.

  • trending_upBeginner
  • schedule7h 7m
  • menu_book12 堂課程
  • publicEnglish
  • workspace_premiumBasic
lock_open 開始學習
Career Changer's Lab — build the machine you'll learn on

課程簡介

Nobody learns security by reading about it. You need a machine you are allowed to break, and you need it to be a machine that cannot reach anything that matters. That is what you build here. It starts with one line in Task Manager, because if that line says the wrong thing then nothing else in this segment will work and no amount of reinstalling will help. Then a hypervisor, then Kali from an installation image with a Debian 13 profile, twenty-five gigabytes and guided partitioning, a password you set yourself, and a first snapshot before you touch anything. One of the early lessons is designed to fail. If you are on an Apple Silicon laptop you will download the wrong image, build a machine from it, and get "no bootable device found" — and then learn to check what your own machine is before you download anything, which is a habit that comes back twice more in this segment and will come back for the rest of your career. A career changer from journalism lost a full lesson to exactly that. Then Linux, for somebody who has never used it. What a virtual machine actually is. Why installing Linux next to Windows hurts, and what a bootloader has to do with it. Why GNOME and KDE are not Linux. Where files live, where software comes from, who is allowed to read what, and how to find out what the machine did while you were not looking. It ends the way it ended for her: with a machine lost entirely, and the rebuild turned into the lesson. You back the machine up somewhere that is not your laptop, then rebuild it from your own notes with the browser closed, and time both. Then you write the scripts that take a change back out, and the runbook that means none of this is in your head. You finish with your own machine, your own snapshot discipline, and one document from which a stranger could rebuild the whole thing. Every lab carries the same standing rules, and they are not decoration: permission first, respect scope, never production, always staging.

課程大綱 · 4 個單元

lock隨存取權限解鎖
  1. 01 The Machine Before the Machine
    3 堂課程·1h 31m

    Read this cold before the first video. Nothing gets installed in the first lesson — you read five numbers off your own machine and write them down. It sounds beneath you and it is the step everybody…

  2. 02 Building It
    3 堂課程·1h 37m

    You are declining the easy install on purpose. The wizard makes five decisions for you that you will be asked to defend in an interview, and watching the questions go past once is the difference…

  3. 03 Living In It
    3 堂課程·1h 42m

    Everything in this module is inspection — read-only commands that change nothing — which is also a fair description of a first month in an operations role. Take a snapshot before each lesson. The one…

  4. 04 Losing It, and Getting It Back
    3 堂課程·2h 17m

    A snapshot protects you from a change. A backup protects you from the machine ceasing to exist, and the snapshots live in the same folder as the machine, so they go with it. You will back the machine…

常見問題

我將在 Career Changer's Lab — build the machine you'll learn on 中學到什麼？
Build the machine you are going to learn on, from a laptop that currently has nothing on it. A hypervisor, a Kali virtual machine, snapshots, Linux from the ground up, and a written procedure for rebuilding all of it from nothing. Lab construction and fundamentals only — nothing here teaches you to
我需要事先具備經驗嗎？
不需要——Career Changer's Lab — build the machine you'll learn on 從基礎開始，適合初學者。
Career Changer's Lab — build the machine you'll learn on 需要多長時間？
Career Changer's Lab — build the machine you'll learn on 包含 4 個單元和 12 堂課程。你可以按自己的進度學習。
我如何取得存取權限？
Career Changer's Lab — build the machine you'll learn on 包含在任何付費訂閱方案中。

網路防禦 中的更多內容

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The Kid Who Wants To Hack
Intermediate The Kid Who Wants To Hack You want to know how attacks work. Fine. This segment teaches you to see them — in a domain record, in a DNS lookup, in a log file — and to build a tool that scores a link before anyone clicks it. Nothing here teaches you to attack anything, and by the end you will understand why that is the expensive skill.
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