Day-08 # df -T | grep md # rm -rf /md* # vi /etc/fstab 14번 라인 삭제 # cat /proc/mdstat # mdadm -S md127 mdadm: stopped md127 # mdadm -S md126 mdadm: stopped md126 # cat /proc/mdstat ### raid 1 # mdadm -C -v /dev/md0 -l 1 -n 2 --spare-disk=1 /dev/sdb /dev/sdc /dev/sdd /// level1 = mirror # cat /proc/mdstat # mdadm -D /dev/md0 # mkfs.ext4 /dev/md0 # mkdir /md # mount /dev/md0 /md # df -T | grep md # ..

Day-07 ### LVM # fdisk -l | grep sd (디스크 확인) # fdisk /dev/sdb p (확인) d (삭제) d p w # fdisk /dev/sdb (디스크 만들기) n (partition number) p t L 8e p w # fdisk /dev/sdc n p t 8e p w # fdisk /dev/sdd n p t 8e p w # fdisk /dev/sde n p t 8e p w # fdisk -l | grep sd # apt -y install lvm2 # pvcreate /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1 # pvscan # vgcreate vg /dev/sdb1 /dev/sdc1 /dev/sdd1 # vgdisplay # vgch..

Day-06 ## 수세리눅스 패키지 명령어 zypper install 패키지명 : 패키지 설치 zypper update 패키지명 : 패키지 업데이트 zypper remove 패키지명 : 패키지 삭제 zypper info 패키지명 : 해당 패키지 정보 출력 zypper se 문자열 : 문자열과 연관된 패키지 이름 출력 # apt -y install aptitude # aptitude update # aptitude # apt -y update; apt -y upgrade # apt -y install snap # snap install hello-world # snap list # snap find hello-world # hello-world # snap info hello-world # snap rem..

Day-05 ### chapter6. process # ps -ef | more # ps -aux | more ### reahat vs debian init /sbin/init 초기화 스크립트. systemd systemctl # systemctl restart ssh # service ssh restart ## Well-known port 20 ftp-data // data signal 21 ftp // control signal 22 ssh // secure shell 23 telnet // not secure 25 smtp // mail send 80 http // HyperText Transfer Protocol 110 pop3 // POP ver 3 143 imap // Interim Mail ..

Day-04 # cat /etc/passwd > test1 # cat ~/.exrc ### github in ubuntu # cd /work # rm -rf * # git clone http://github.com/impelfin/allnew # cd allnew # ls # git config --global user.name # git config --global user.name "impelfin" # git config --global user.name # git config --global user.email impelfin@gmail.com # git config --global user.email # cp myenv myconfig # git init # git add . # git comm..

Day-03 - 현재 위치 : /home/user / / ../../ home /home ../ boot /boot ../../boot lib /usr/lib ../../usr/lib ls /usr/bin/ls ../../usr/bin/ls # apt -y install ncal # cal 12 9999 # id # whoami # who am i ## linux file time ctime : create mtime : modify atime : access # touch test # ll # mkdir dir1 # cat > test2 hello ^d (eod) # mkdir dir2 # file test2 # cat test2 # file /usr/bin/passwd # cat /usr/bin/pa..