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목록Linux (13)
Net Eng
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■ 로그인 가능한 사용자만 찾기 검색# grep -E '/bin/bash|/bin/zsh|/bin/fish' /etc/passwd | cut -d: -f1# awk -F: '$NF ~ "/bash|zsh$" {print $1}' /etc/passwd# awk -F: '$3 >= 1000 && $3 ■ 현재 실행중인 모든 프로세스 및 검색# ps -ef# pps {프로세스 명} → alias지정 ■ 특정 포트를 사용하는 프로그램 검색# netstat -antup | grep :포트번호 ■ IP 추출# ifconfig eth0 | grep inet | grep -v inet6 | awk '{print $2}' | awk -F: '{print $2}' ■ Zombie 프로세스 검색# ps -elf | awk..
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■ 필요한 패키지 설치yum install epel-release -yyum install pwgen -yyum install java-1.8.0-openjdk-headless.x86_64 -yvi /etc/yum.repos.d/mongodb-org.repo ■ MongoDB 설치/서비스 기동yum install mongodb-org -ysystemctl daemon-reloadsystemctl enable mongod.servicesystemctl start mongod.servicesystemctl --type=service --state=active | grep mongod ■ Elasticsearch 설치/설정/서비스 기동rpm --import https://artifacts.elastic.co/..
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# wget https://www.victornils.net/tetris/vitetris-0.57.tar.gz-소스.tar.gz 파일 생성# cp vitetris-0.57.tar.gz ~/rpmbuild/SOURCES/-vitetris SPEC 파일 생성# rpmdev-newspec rpmbuild/SPECS/vitetris.spec# vi vitetris.spec--------------------------------------------------Name: vitetrisVersion: 0.57Release: 1%{?dist}Summary: ASCII based tetris game License: BSDURL: ..
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■ RAID 구축0. disk 준비# ls –l /dev/sd?/dev/sdb/dev/sdc /dev/sdd /dev/sde /dev/sdf /dev/sdg /dev/sdh /dev/sdi /dev/sdj /dev/sdk/dev/sdl /dev/sdm /dev/sdn[새로운 터미널]# watch cat /proc/mdstst1. 파티션 작업# fdisk /dev/sd[b····n] Hex code : fd2. RAID 구성 작업# mdadm --create /dev/md9 --level=linear --raid-device=2 /dev/sdb1 /dev/sdc1# mdadm --create /dev/md0 --level=0 --raid-device=2 /dev/sdd1 /dev/sde1# mdadm ..
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■ Power OFF# poweroff# halt# init 0 /* 0: Runlevel 0 = Power Off */**# shutdown -h now /* -h: halt */ ■ Reboot# reboot# init 6 /* 6: Runlevel 6 = reboot */# shutdown -r now /* -r: reboot */ ■ UI SettingTUI(Text User Interface)CLI(Command Line Interface)→ Runlevel 3 → multi-user.target==============================GUI(Graphic User Interface)→ Runlvel 5→ graphical.target ■ 전환 방법현재 적용# systemct..