file
which
whereis
cal
date
rdate
uname
free
dmesg
df
du
finger
w
id
ntsysv
chkconfig --list
chkconfig --list httpd
chkconfig --level 3 httpd off
chkconfig --level 35 httpd on
1.partition 생성
fdisk /dev/sda
partprobe
mkfs.ext3 /dev/sda8
mount /dev/sda9 data1
umount
mount -a
e2label /dev/sda9 data1
2.swap 생성
mkswap -c /dev/sda9
swapon /dev/sda9
swapoff /dev/sda9
3.quota 생성
/etc/fstab usrquota추가
mount -o remount /data1
quotacheck /data1
edquota -u test1
repquota u /data1
edquota -p test2 test1
4.RAID 생성
fdisk -- raid partition 생성
partprobe
mdadm -C /dev/md0 -l 1 -n 2 /dev/sda10 /dev/sda11
mkfs.ext3 /dev/md0
mount /dev/md0 raid1
umount raid1
mdadm -S /dev/md0
5.LVM 생성
fdisk -- lvm partition 생성
partprobe
pvcreate /dev/sda12
pvscan
vgcreate lvm0 /dev/sda12
lvcreate -L 30M -n lvdata1 lvm0
mkfs.ext3 /dev/lvm0/lvdata1
mount /dev/lvm0/lvdata1 /home
6.LVM VG확장
pvcreate /dev/sda13
vgextend /dev/sda13 lvm0
vgdisplay -v
7.LVM LV 확장
umount /home
lvextend -L +10M /dev/lvm0/lvdata1
e2fsck -f /dev/lvm0/lvdata1
e2fsck -f /dev/lvm0/lvdata1
mount /dev/lvm0/lvdata1 /home
8.LVM LV 축소
mount /dev/lvm0/lvdata1 /home
resize2fs /dev/lvm0/lvdata1
lvreduce -L -10M /dev/lvm0/lvdata1
resize2fs /dev/lvm0/lvdata1
9./etc/passwd
pwconv
pwuconv
10.그룹
/etc/group
/etc/default/useradd
/etc/login.defs
