※ 리눅스 OS 확인
# lsb_release -a
LSB Version: :core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch
Distributor ID: CentOS
Description: CentOS release 6.2 (Final)
Release: 6.2
Codename: Final
# uname -a
Linux localhost 2.6.32-279.19.1.el6.x86_64 #1 SMP Wed Dec 19 07:05:20 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
# getconf LONG_BIT
64
===> 해당 버전은 CentOS release 6.2 - 64bit 임 (커널 버전 2.6.32)
※ 기타 리눅스 정보
CPU 정보
# dmesg | grep CPU
SMP: Allowing 8 CPUs, 0 hotplug CPUs
NR_CPUS:4096 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:1
PERCPU: Embedded 31 pages/cpu @ffff880028200000 s94424 r8192 d24360 u262144
CPU: Physical Processor ID: 0
CPU: Processor Core ID: 0
mce: CPU supports 9 MCE banks
CPU0: Thermal monitoring enabled (TM1)
CPU0: Intel(R) Xeon(R) CPU E31230 @ 3.20GHz stepping 07
Brought up 8 CPUs
microcode: CPU0 sig=0x206a7, pf=0x2, revision=0x29
microcode: CPU1 sig=0x206a7, pf=0x2, revision=0x29
microcode: CPU2 sig=0x206a7, pf=0x2, revision=0x29
microcode: CPU3 sig=0x206a7, pf=0x2, revision=0x29
microcode: CPU4 sig=0x206a7, pf=0x2, revision=0x29
microcode: CPU5 sig=0x206a7, pf=0x2, revision=0x29
microcode: CPU6 sig=0x206a7, pf=0x2, revision=0x29
microcode: CPU7 sig=0x206a7, pf=0x2, revision=0x29
메모리
# cat /proc/meminfo
MemTotal: 8031488 kB
MemFree: 240120 kB
Buffers: 139168 kB
Cached: 471708 kB
SwapCached: 89204 kB
Active: 6174976 kB
Inactive: 1179556 kB
Active(anon): 5677848 kB
Inactive(anon): 1066236 kB
Active(file): 497128 kB
Inactive(file): 113320 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 2097144 kB
SwapFree: 1111872 kB
Dirty: 2000 kB
Writeback: 0 kB
AnonPages: 6680140 kB
Mapped: 40368 kB
메모리 사용량 확인
많이 사용하는 순으로 10개
# ps -ef --sort -rss | head -n 11
많이 사용하는 순으로 10개의 사용량 보기
# ps -eo user,pid,ppid,rss,size,vsize,pmem,pcpu,time,cmd --sort -rss | head -n 11
swap 메모리 확인
# free -m 혹은 free -g (MB단위 혹은 GB단위)
# free -g
total used free shared buffers cached
Mem: 31 14 16 0 0 0
-/+ buffers/cache: 13 17
Swap: 15 0 15
HDD 용량
# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 97G 45G 48G 49% /
tmpfs 3.9G 0 3.9G 0% /dev/shm
특정 폴더 용량 확인
/game 폴더 내의 폴더별 용량을 확인하려면
# cd /game
# du -sh *
19G app
5.7M data
2.9G log
1.3G util
