๐Ÿ‘ฉ๐Ÿป‍๐ŸŒพ

[Linux] VM ๊ณ ์ • IP ์„ค์ • ๋ฐ PAM ๋ชจ๋“ˆ ์‚ฌ์šฉํ•˜์—ฌ ๋น„๋ฐ€๋ฒˆํ˜ธ ๊ทœ์ œ ๋ณธ๋ฌธ

Language/Linux

[Linux] VM ๊ณ ์ • IP ์„ค์ • ๋ฐ PAM ๋ชจ๋“ˆ ์‚ฌ์šฉํ•˜์—ฌ ๋น„๋ฐ€๋ฒˆํ˜ธ ๊ทœ์ œ

์ฅฌ์Šค์ด 2024. 9. 20. 15:44
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๋จผ์ €, ์ƒˆ๋กœ ์ƒ์„ฑํ•œ ๊ฐ€์ƒ๋จธ์‹ ์ด ๊ธฐ์กด ๊ฐ€์ƒ ๋จธ์‹ ๋“ค๊ณผ์˜ IP ์ถฉ๋Œ์„ ๋ฐฉ์ง€ํ•˜๊ธฐ ์œ„ํ•ด 10.0.2.19๋กœ IP๋ฅผ ์„ค์ •ํ•˜๋Š” ๋ฐฉ๋ฒ•์ž…๋‹ˆ๋‹ค. ์ด๋ฅผ ํ†ตํ•ด, ๊ฐ€์ƒ ๋จธ์‹ ๋“ค ๊ฐ„์˜ ํ†ต์‹ ์ด ๊ฐ€๋Šฅํ•˜๊ฒŒ ๋งŒ๋“ญ๋‹ˆ๋‹ค๐Ÿ˜Š

 

1๏ธโƒฃ yaml ํŒŒ์ผ์„ ์—ด๊ธฐ

sudo vi /etc/netplan/00-installer-config.yaml

2๏ธโƒฃ ์•„๋ž˜ ๋‚ด์šฉ๋“ค์„ ์ž‘์„ฑํ•˜์—ฌ ์„ค์ •์„ ๋ณ€๊ฒฝ

network:
  version: 2
  renderer: networkd
  ethernets:
    enp0s3:
      addresses:
        - 10.0.2.19/24  # ๋ณ€๊ฒฝ๋œ ๊ณ ์ • IP ์ฃผ์†Œ
      routes:
        - to: default
          via: 10.0.2.1  # ๊ฒŒ์ดํŠธ์›จ์ด
      nameservers:
        addresses:
          - 8.8.8.8
      dhcp4: false

3๏ธโƒฃ ๋ณ€๊ฒฝ์‚ฌํ•ญ์„ ์ ์šฉ

sudo netplan apply

4๏ธโƒฃ IP๊ฐ€ ์ •์ƒ์ ์œผ๋กœ ๋ณ€๊ฒฝ๋˜์—ˆ๋Š”์ง€ ํ™•์ธ

5๏ธโƒฃ Virtual Box ๋„๊ตฌ -> [๋„คํŠธ์›Œํฌ] -> [NAT ๋„คํŠธ์›Œํฌ] -> [ํฌํŠธ ํฌ์›Œ๋”ฉ] ์„ค์ • ์ถ”๊ฐ€

6๏ธโƒฃ ๊ฐ€์ƒ๋จธ์‹  ๊ฐ„์˜ ํ†ต์‹ ์ด ์ž˜ ๋˜๋Š”์ง€ ping test ์ˆ˜ํ–‰

myserver01↔myserver03 ping ์„ฑ๊ณต

๋‹ค์Œ์œผ๋กœ, PAM ๋ชจ๋“ˆ์„ ์‚ฌ์šฉํ•˜์—ฌ ๋น„๋ฐ€๋ฒˆํ˜ธ๋ฅผ 8์ž๋ฆฌ ์ด์ƒ์œผ๋กœ ๊ทœ์ œํ•˜๋Š” ๋ฐฉ๋ฒ•์ž…๋‹ˆ๋‹ค.

 

1๏ธโƒฃ ํ•„์š”ํ•œ ํŒจํ‚ค๋ฆฌ๋ฅผ ๋‹ค์šด ๋ฐ›์Šต๋‹ˆ๋‹ค.

sudo apt-get install libpam-pwquality

2๏ธโƒฃ ์„ค์ • ํŒŒ์ผ ์—ด๊ธฐ

sudo nano /etc/pam.d/common-password

3๏ธโƒฃ ์•„๋ž˜ ๋‚ด์šฉ์„ ์ž‘์„ฑํ•˜์—ฌ ์„ค์ •์„ ๋ณ€๊ฒฝ

password requisite pam_pwquality.so retry=3 minlen=8

4๏ธโƒฃ ๊ทœ์น™์ด ์ œ๋Œ€๋กœ ๋ฐ˜์˜๋˜๋Š”์ง€ ํ™•์ธ

์ƒˆ๋กœ์šด ๋น„๋ฐ€๋ฒˆํ˜ธ๋ฅผ 1234๋กœ ์„ค์ •ํ•˜๊ณ ์ž ํ•œ ๊ฒฝ์šฐ -> ์‹คํŒจ
์ƒˆ๋กœ์šด ๋น„๋ฐ€๋ฒˆํ˜ธ๋กœ helloworld๋ฅผ ์ณค์„ ๊ฒฝ์šฐ -> ์„ฑ๊ณต

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