February 2021
Beginner to intermediate
252 pages
5h 36m
Korean
Content preview from 컨테이너 보안: 컨테이너화된 응용 프로그램의 보안을 위한 개념, 이론, 대응법과 모범 관행까지
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제
5
장
VM과 컨테이너
98
VMM
은 크게 두 종류로 나뉘는데, 그리 창의적인 이름은 아니지만 둘을 제
1
형(
type
1
)과
제
2
형(
type
2
)이라고 부른다. 그리고 당연하게도 그 둘 사이에 어느 정도 회색의 영역이 존재
한다.
5.2.1
제
1
형
VMM
(하이퍼바이저)
보통의 시스템에서는 부트로더가 리눅스나
Windows
같은 운영체제의 커널을 시동한다. 순
수 제
1
형
VM
환경에서는 전용 커널 수준
VMM
프로그램이
OS
커널을 시동한다.
제
1
형
VMM
을
하이퍼바이저
hypervisor
라고 부르기도 한다.
1
Hyper
-
V
(
https
://
oreil
.
ly
/
FsXVi
),
Xen
(
https
://
xenproject
.
org
/
),
ESX
/
ESXi
(
https
://
oreil
.
ly
/
ezG3t
)가 하이퍼바이저의
예이다. [그림
5
-
2
]에서 보듯이 하이퍼바이저는 호스트 운영체제가 없는 빈 하드웨어(소위 ‘베
어 메탈
bare
metal
’)에서 직접 실행된다.
게스트 앱들
하이퍼바이저
게스트 앱들
게스트
OS
물리적 하드웨어
게스트
OS
그림
5-2
하이퍼바이저라고도 하는 제
1
형
VMM
앞에서 ‘커널 수준’이라는 표현이 나왔는데, 이는 하이퍼바이저가 링
0
에서 실행된다는 뜻이
다. (이는 이번 장에서 나중에 소개할 하드웨어 가상화를 고려하지 않는다고 할 때의 이야기
이다. 지금 논의에서는 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.