[Hadoop] 1. ubuntu-base 생성

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1) 이미지 다운로드

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https://releases.ubuntu.com/focal/

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2) 새로 만들기

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3) 가상 머신 이름과 운영 체제

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4) 하드웨어

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5) 가상 하드 디스크

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6) 만들기

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7) 시작

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8) 계정 생성

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9) Virtual Box 게스트 확장 프로그램 설치

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10) 클립보드 설정

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11) NAT 네트워크 설정

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12) 종료 후 재시작

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