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Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
운영체제실습- Introduction -
Real-Time Computing and Communications Lab.
Hanyang University
2Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 2Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
Introduction
조교소개▪ 이름 : 임정택
▪ Tel : 010 - 4780 - 9294
▪ E-Mail : [email protected]
▪ 이름 : 최대호
▪ Tel : 010 – 9872 - 9353
▪ E-Mail : [email protected]
▪ 이름 : 박준형
▪ Tel : 010 – 2859 - 6858
▪ E-Mail : [email protected]
▪ 실습관련질문시제목을아래의양식에맞춰서메일을보내주세요
• ex> [운영체제] 학번_이름
3Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 3Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
실습계획
주차 내용 과제
1주차 실습소개, 환경구성
2주차 시스템콜추가, 과제설명 ★
3주차 시스템콜분석(fork 분석), 과제설명 ★
4주차 스케줄러 ★
5주차 스케줄러
6주차 프로세스통신 ★
7주차 프로세스통신
8주차 중간고사휴강
9주차 Syncronization ★
10주차 Syncronization
11주차 메모리관리 ★
12주차 메모리관리
13주차 디바이스드라이버★
14주차 디바이스드라이버
15주차 휴강대비
16주차 기말고사휴강
4Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 4Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
VirtualBox
VirtualBox 설명과다운로드▪ 무료가상화소프트웨어
▪ Download : https://www.virtualbox.org/wiki/Downloads
▪ 버전 : VirtualBox 5.1.14 for Windows hosts (x86/amd64)
▪ 설치후재시작
5Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 5Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
Ubuntu
Ubuntu 설명과다운로드▪ 리눅스커널을기반으로한운영체제
▪ 전세계적으로많이사용되고있는리눅스배포판중하나
▪ Download : http://www.ubuntu.com/download/desktop
▪ 버전 : Ubuntu 14.04 LTS (64bit)
6Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 6Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
실습환경설정
가상시스템설치▪ 수업에서배포한 virtualbox 가상머신이미지를불러온다.
7Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 7Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
실습환경설정
1
2
8Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 8Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
실습환경설정
가상시스템설정▪ 내컴퓨터에맞게설정을바꿀수있음
▪ 설정을한뒤가져오기
9Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 9Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
실습환경설정
10Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 10Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
실습환경설정
11Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 11Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
실습환경설정
Ubuntu 부팅▪ Ubuntu용고급설정
Linux 4.1.38 버전선택도가능
12Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 12Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
실습환경설정
$ uname –r 혹은 uname –a를 통해현재커널버전을확인할수있다.
root 권한이필요한작업을할때 sudo명령어를이용한다.
제공된이미지의계정의비밀번호는 1234로설정이되어있다.
13Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 13Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
실습환경설정
배포한가상머신이미지안에는커널빌드에필요한패키지들이설치되어있음
따로Ubuntu를 설치해서사용하는경우 –필수설치도구▪ “build-essential” : gcc 등프로그램개발을위한도구
• Installation : $sudo apt-get install build-essential
▪ “libncurses5-dev” : text 환경에서윈도우형태의GUI를표현해주는라이브러리,
menuconfig을위해서필요함
• Installation : $sudo apt-get install libcurses5-dev
▪ “ccache” : 커널빌드시간을단축시켜주는유틸리티
• Installation : $sudo apt-get install ccache
• ccache 환경변수설정
✓ terminal을켜고다음을입력한다. $sudo vi /etc/environment
✓아래의사진처럼표시된부분을추가하고저장한다.
14Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 14Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
Kernel Compile
Kernel 위치▪ $ cd /usr/src/linux-4.1.38
Kernel configuration
▪ $ sudo make menuconfig
15Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 15Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
Kernel Compile
Build Kernel image and modules
▪ Build kernel image
• Usage : $ sudo make
▪ Module compilation
• Usage : $ sudo make modules
▪ Module installation
• Usage : $ sudo make modules_install
▪ Kernel installation
• Usage : $ sudo make install
16Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 16Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
Kernel Compile
Using multi-core for building kernel
▪ 자신의CPU의 core개수확인
• Usage : $ cat /proc/cpuinfo | grep cores
▪ “make”에 –j<n> option 추가
• Usage : $sudo make –j<n>
• “n” : 일반적으로 n = “자신의 cpu개수” + round(cpu개수 * 20%)
✓ Example : cpu cores = 4이면 n = 4 + round(1) = 5
17Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 17Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
Kernel Source Download
배포한이미지를사용하지않을경우
Download kernel source
▪ Copy kernel URL link
▪ Kernel version : 4.1.38 (longterm)
18Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 18Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
Kernel Source Download
배포한이미지를사용하지않을경우
Download kernel source
▪ “wget”을통해URL link로 kernel source code를다운로드
1. $ sudo wget [URL address] 복사/붙여넣기
2. $ sudo mv linux-4.1.38.tar.xz /usr/src
3. $ cd /usr/src
4. $ tar –xvf linux-4.1.38.tar.xz
5. 이후 13-15 슬라이드참고
19Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 19Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
Grub Setting
$ sudo vim /etc/default/grub
▪ 여기서grub은GNU 프로젝트의부트로더이다.
▪ 아래의그림처럼 ‘#’을이용해주석처리한다.
$ sudo update-grub
$ sudo reboot
20Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 20Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
과제 (Kernel Build)
개인 PC에 4.1.38 kernel build 해오기
Due : 다음실습수업시간
설치한커널에서결과($uname –a) 다음수업에조교에게확인받는다.
21Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr 21Real-Time Computing and Communications Lab., Hanyang University
http://rtcc.hanyang.ac.kr
과제 (Kernel Build)
문의사항▪ 이름 : 임정택
▪ Tel : 010 - 4780 - 9294
▪ E-Mail : [email protected]
▪ 이름 : 최대호
▪ Tel : 010 – 9872 - 9353
▪ E-Mail : [email protected]
▪ 이름 : 박준형
▪ Tel : 010 – 2859 - 6858
▪ E-Mail : [email protected]
▪ 실습관련질문시제목을아래의양식에맞춰서메일을보내주세요
• ex> [운영체제] 학번_이름
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