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git - ๊ฐ„ํŽธ ์•ˆ๋‚ด์„œ

  • git clone ์‚ฌ์šฉ์ž๋ช…@ํ˜ธ์ŠคํŠธ:/์›๊ฒฉ/์ €์žฅ์†Œ/๊ฒฝ๋กœ : ์›๊ฒฉ ์„œ๋ฒ„์˜ ์ €์žฅ์†Œ๋ฅผ Local์— ๋ณต์ œ.
  • ๋กœ์ปฌ ์ €์žฅ์†Œ๋Š” git์ด ๊ด€๋ฆฌํ•˜๋Š” ์„ธ ๊ทธ๋ฃจ์˜ ๋‚˜๋ฌด๋กœ ๊ตฌ์„ฑ -> ์ฒซ๋ฒˆ์งธ ๋‚˜๋ฌด์ธ ์ž‘์—… ๋””๋ ‰ํ† ๋ฆฌ(Working directory)๋Š” ์‹ค์ œ ํŒŒ์ผ๋“ค๋กœ ์ด๋ฃจ์–ด์ ธ์žˆ๊ณ , ๋‘๋ฒˆ์งธ ๋‚˜๋ฌด์ธ ์ธ๋ฑ์Šค(Index)๋Š” ์ค€๋น„ ์˜์—ญ(staging area)์˜ ์—ญํ• ์„ ํ•˜๋ฉฐ, ๋งˆ์ง€๋ง‰ ๋‚˜๋ฌด์ธ HEAD๋Š” ์ตœ์ข… ํ™•์ •๋ณธ(commit)์„ ๋‚˜ํƒ€๋‚ธ๋‹ค.
  • working directory -> git add <ํŒŒ์ผ> -> ๋ณ€๊ฒฝ๋œ ํŒŒ์ผ์ด index์— ์ถ”๊ฐ€๋จ ->git commit -m "์ด๋ฒˆ ํ™•์ •๋ณธ์— ๋Œ€ํ•œ ์„ค๋ช…" -> ๋ณ€๊ฒฝ ๋‚ด์šฉ์ด ํ™•์ •๋˜์–ด ๋กœ์ปฌ ์ €์žฅ์†Œ์˜ HEAD์— ๋ฐ˜์˜๋จ -> git push origin master -> ๋ณ€๊ฒฝ ๋‚ด์šฉ์„ ์›๊ฒฉ ์„œ๋ฒ„์— ์˜ฌ๋ฆผ. remote git update! ์›๊ฒฉ ์ €์žฅ์†Œ์— ๋ณ€๊ฒฝ ๋‚ด์šฉ์ด ๋ฐ˜์˜๋จ.

IT Basic Information

  • ์„œ๋ฒ„์™€ ๋ฐ์Šคํฌํƒ‘์˜ ์ฐจ์ด์  - https://m.post.naver.com/viewer/postView.naver?volumeNo=10335098&memberNo=2521903
  • ์„œ๋ฒ„ : ๋„คํŠธ์›Œํฌ๋ฅผ ํ†ตํ•ด ํด๋ผ์ด์–ธํŠธ์—๊ฒŒ ์ •๋ณด๋ฅผ ์ œ๊ณตํ•˜๋Š” ์ปดํ“จํ„ฐ ์‹œ์Šคํ…œ. CPU, Memory, Disk ๋“ฑ์„ ๊ณ ๋ คํ•˜๊ฒŒ ๋œ๋‹ค.
    • CPU : ํด๋Ÿญ ์†๋„ (CPU๊ฐ€ ์ดˆ๋‹น ์‹คํ–‰ํ•˜๋Š” cycle ์ˆ˜, ์—ฐ์‚ฐ์†๋„์— ๋น„๋ก€.) & Core ๊ฐœ์ˆ˜ (CPU์˜ ๋‡Œ, ๋งŽ์„์ˆ˜๋ก multitasking์ด ๊ฐ€๋Šฅ) ๋ฅผ ๊ณ ๋ ค
    • Memory : CPU๊ฐ€ ์ฒ˜๋ฆฌํ•ด์•ผ ํ• , ํ˜น์€ ์ฒ˜๋ฆฌํ•œ ๋ฐ์ดํ„ฐ๋ฅผ ์ €์žฅํ•˜๋Š” ๊ณต๊ฐ„. ๋งŽ์œผ๋ฉด ๋งŽ์„์ˆ˜๋ก, ์šฉ๋Ÿ‰์ด ํด์ˆ˜๋ก ์ข‹์Œ.
  • LAN : ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง. Local Area Network. ๋„คํŠธ์›Œํฌ ๋งค์ฒด๋ฅผ ์ด์šฉํ•˜์—ฌ ๊ฐ€๊นŒ์šด ์ง€์—ญ์„ ๋ฌถ๋Š” ์ปดํ“จํ„ฐ ๋„คํŠธ์›Œํฌ.
  • WAN : ๊ด‘์—ญ ํ†ต์‹ ๋ง. Wide Area Network. ์„œ๋กœ ๋ฉ€๋ฆฌ ๋–จ์–ด์ง„ ์ง€์—ญ์˜ ๋„คํŠธ์›Œํฌ๋ฅผ ์—ฐ๊ฒฐ. ๋„ค์ด๋ฒ„, ๊ตฌ๊ธ€ ๋“ฑ์— ์ ‘์†ํ•  ๋•Œ ์‚ฌ์šฉํ•˜๋Š” ๋„คํŠธ์›Œํฌ.
  • IP์™€ MAC ์ฃผ์†Œ : ์žฅ๋น„ ๊ฐ„ ๋ฐ์ดํ„ฐ๋ฅผ ์ „์†กํ•˜๊ธฐ ์œ„ํ•ด ์„œ๋กœ ํ†ต์‹ ํ•˜๊ธฐ ์œ„ํ•œ ์ฃผ์†Œ
    • MAC ์ฃผ์†Œ : ์ „์„ธ๊ณ„์—์„œ ์œ ์ผํ•œ ํ•˜๋“œ์›จ์–ด ๋ฌผ๋ฆฌ์  ์ฃผ์†Œ. ์ œ์กฐ์—…์ฒด์—์„œ ์žฅ๋น„๋ฅผ ์ œ์ž‘ํ•  ๋•Œ ํ• ๋‹น๋˜๋ฉฐ, ๋ถˆ๊ฐ€๋ณ€์ . ์ฃผ๋ฏผ๋“ฑ๋ก๋ฒˆํ˜ธ ๊ฐ™์€ ๊ฒƒ.
    • IP ์ฃผ์†Œ : ๋„คํŠธ์›Œํฌ ์—ฐ๊ฒฐ์„ ์œ„ํ•ด ์ œ๊ณต๋˜๋Š” ๋…ผ๋ฆฌ์  ์ฃผ์†Œ. ์™ธ๋ถ€ํ†ต์‹ ์„ ์œ„ํ•ด ์‚ฌ์šฉ, ์ง‘์ฃผ์†Œ์™€ ๊ฐ™์€ ๊ฒƒ. ๊ฐ€๋ณ€์ฃผ์†Œ๋กœ, Wifi ๋‹ค๋ฅธ๊ฑฐ ์“ฐ๋ฉด IP๋„ ๋ฐ”๋€๋‹ค.
    • Public IP๋Š” ์ „์„ธ๊ณ„์œผ๋กœ ๊ณ ์œ ์˜ ์ฃผ์†Œ, ์™ธ๋ถ€์™€ ํ†ต์‹ ํ•  ๋•Œ ์‚ฌ์šฉํ•˜๋Š” internet. Private IP๋Š” ํ•œ์ •๋œ ๊ณต๊ฐ„ ๋‚ด์—์„œ ํ†ต์‹ ํ•˜๊ธฐ ์œ„ํ•œ ํŠน์ • ๊ตฌ์—ญ ๋‚ด์˜ ์ฃผ์†Œ.
  • NAT (Network Address Translation) : Private IP <-> Public IP ํ†ต์‹ ํ•  ๋•Œ ๊ฐ ๊ตฌ์—ญ์—์„œ ์‚ฌ์šฉํ•˜๋Š” IP๋กœ ๋ณ€ํ™˜ํ•˜๋Š” ๊ธฐ์ˆ . ์ฃผ์†Œ ๋ณ€ํ™˜ ์„œ๋น„์Šค.
  • Subnetting : ํ•˜๋‚˜์˜ ๋„คํŠธ์›Œํฌ๋ฅผ ์—ฌ๋Ÿฌ ๋Œ€์—ญ์œผ๋กœ ๋ถ„ํ• ํ•˜๋Š” ๊ฒƒ. IP ๋‚ญ๋น„๋ฅผ ์ค„์ผ ์ˆ˜ ์žˆ๊ณ , ๋ณด์•ˆ ๋ฐ ๊ด€๋ฆฌ ์ธก๋ฉด์—์„œ ์ด์ .
  • Routing : ๋„คํŠธ์›Œํฌ ์•ˆ์—์„œ ๋ฐ์ดํ„ฐ๋ฅผ ๋ณด๋‚ผ ๋•Œ ์ตœ์ ์˜ ๊ฒฝ๋กœ๋ฅผ ์„ ํƒํ•˜๋Š” ๊ณผ์ •.
  • EC2 (AWS Elastic Compute Cloud) : AWS ํด๋ผ์šฐ๋“œ์—์„œ ํ™•์žฅ ๊ฐ€๋Šฅ ์ปดํ“จํŒ… ์šฉ๋Ÿ‰์„ ์ œ๊ณต. ์‰ฝ๊ฒŒ ํ™•์žฅ, ์ถ•์†Œ ๋“ฑ์˜ ์žฌ๊ตฌ์„ฑ์ด ๊ฐ€๋Šฅ.
    • VPC (Virtual Private Cloud) : ์‚ฌ์šฉ์ž๊ฐ€ ์ •์˜ํ•œ ๊ฐ€์ƒ ๋„คํŠธ์›Œํฌ -> VPC๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ AWS ๋ฆฌ์†Œ์Šค๋ฅผ ์‹œ์ž‘ํ•  ์ˆ˜ ์žˆใ…‡ใ….
    • Subnet : VPC์˜ IP ์ฃผ์†Œ ๋ฒ”์œ„. ์ง€์ •๋œ ์„œ๋ธŒ๋„ท์œผ๋กœ AWS ๋ฆฌ์†Œ์Šค๋ฅผ ์‹œ์ž‘ํ•  ์ˆ˜ ์žˆ์Œ.
    • Routing table : ์„œ๋ธŒ๋„ท ๋˜๋Š” ๊ฒŒ์ดํŠธ์›จ์ด์˜ ๋„คํŠธ์›Œํฌ ํŠธ๋ž˜ํ”ฝ์ด ์ „์†ก๋˜๋Š” ์œ„์น˜๋ฅผ ๊ฒฐ์ •.
    • Internet gateway : VPC์™€ ์ธํ„ฐ๋„ท ๊ฐ„์— ํ†ต์‹ ํ•  ์ˆ˜ ์žˆ๊ฒŒ ํ•ด์คŒ.

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