August 2021
Beginner to intermediate
564 pages
12h 2m
Korean
Content preview from 클라우드 네이티브를 위한 데이터 센터 네트워크 구축: 데이터 센터 네트워킹을 위한 아키텍처, 프로토콜, 도구
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117
4
장
네트워크 운영체제 선택
4.4
사용자 인터페이스
네트워크 운영자는 네트워크 장치를 다룰 때 장치에 특정한 명령줄을 사용한다. 네트워크 장
치의 명령줄 인터페이스
command
line
interface
,
CLI
는 리눅스와 달리 프로그래밍 가능한 셸이 아니
다. 대체로 모달
CLI
이며 대부분의 명령어는
CLI
의 특정 문맥 내에서만 유효하다. 예를 들어
neighbor
1
.
1
.
1
.
1
remote
-
as
65000
은
BGP
설정 문맥 내에서만 유효한 명령어다. 이 문맥
으로 들어오기 위해
configure
와
router
bgp
64001
과 같은 여러 명령어를 먼저 입력해야 한
다. 하지만 리눅스 명령어들은 비모달이며 프로그래밍할 수 있어서 스크립팅이 가능하다. 네트
워크 운영자들은 명령어를 완성하기 위해 [
Tab
] 키
12
를 누르기보다 [?] 키를 누르는 데 익숙하
다. 또한 명령어에 특정 옵션을 붙이기 위해 ‘
--
’나 ‘
-
’를 입력하지 않는다. 그로 인해 대부분의
네트워크 운영자가 배시 셸을 마주했을 때 너무 당황해서 무엇을 해야 할지 길을 잃어버린다.
그러곤 [?] 키를 누르지만 아무 일도 일어나지 않는다. [
Tab
] 키를 눌러도 아무 일도 일어나지
않는다. 배시 셸을 다루는 것에 익숙하지 않거나 더 중요하게는 전통적인 네트워크 장비
CLI
에
익숙한
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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.
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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.