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SCS2b.4

Instance Types Plainly

Level 2 · BootCampSCS2b Cloud BasicsTaught week 4 Thursday after lunch

Start the Lesson

By the end you can read an instance name aloud and say what each part means, ask AWS itself what a type is, say what x86_64 and arm64 mean for a client's software, measure the machine you rented instead of guessing, read every line of its bill on the provider's own page with the page and the date beside it, set Lightsail beside EC2, check an AI tool's comparison number by number, and write one page for a real client that says what to rent, why not bigger and why not smaller, then leave the instance stopped for SCS2b.5's teardown.

Start the lesson 56 moves in 11 parts. You need: your portal sign-in and the phone with your MFA app · your copy of the SCS2b.4 folder, copied down from Mufasa · the instance SCS2b.3 left stopped, its id and your SSH key from your SCS2b.3 runbook · your track repo from SCS1.4 · your tier-1 client from CC1, described · the sandbox's region and the exchange rate with its source and date, from the board · your AI tool, signed in · your notebook and a pen

Submit Your Work

What You Turn In

  1. Repo link: rent-card.md in your track repo
    1. One page for your real client, seven headings, five rows; every price with the page it was read on and the date, in dollars and shillings at the board's rate; the 'never' row with its ratio to the micro; Lightsail or EC2 argued
  2. The right-size line, on the card
    1. Why not bigger and why not smaller, from your own measurement — not 'to be safe'
  3. Measurement sheet and size-scs2b.4's saved output
    1. Five numbers with the time of day and today's CPU line; the instance name decoded in your own words, the processor kind read from the machine
  4. AI comparison receipt fill in on the hub
    1. The ask with its spec; every number checked against the pricing page; at least one corrected, or how you checked that none needed it
  5. check-scs2b.4 receipt and your method note
    1. Every NOT YET fixed; six lines, the sixth from the line the second pass got wrong
  6. Console screenshot before the teardown, and the cloud-sweep ZERO receipt after it
    1. One micro instance, tagged, and nothing else; then ZERO — the same receipt SCS2b.5 carries

Stuck, or want to check your thinking? Paste this card into your own AI and ask it to question you, not answer for you.

How

  1. Asha, by the week 5 Saturday update.
Done when
  1. rent-card.md: One page, seven headings, five rows; every price with page and date, in dollars and shillings; the 'never' row with its ratio; Lightsail or EC2 argued
  2. Right-size line: Why not bigger, why not smaller, from the measurement, not a slogan
  3. Measurement sheet + size-scs2b.4 output: Five numbers with the time of day, today's CPU line; name decoded; processor kind from uname -m
  4. AI comparison receipt: The ask with a spec; every number checked against the page; one corrected or how 'none' was checked
  5. What-if cards + second pass: Three what-ifs answered; one line the bill or the real site disproved, fixed
  6. check-scs2b.4 receipt + method note: Every NOT YET fixed; six lines, the sixth from the second pass
  7. Console screenshot + ZERO sweep: One tagged micro before the teardown; cloud-sweep ZERO after it

Counts toward: the SCS2b.4 badge, 1 to 3 stars · the client's hosting line · attendance for the Taught and SGL blocks · LP (Lion Points) for accepted badge work.

Fill in the worksheet Submit work for SCS2b.4