Linuxサーバ構成の表示

サーバモデル

[root@txs ~]# dmidecode|grep "System Information" -A9|egrep  "Manufacturer|Product"
    Manufacturer: Dell Inc.
    Product Name: PowerEdge R730

オペレーティングシステム

現在のOSリリース情報の表示

[root@txs ~]# cat /etc/redhat-release
CentOS release 6.5 (Final)

OSリリースの詳細の表示

[root@txs ~] # lsb_release -a
LSB Version:	:base-4.0-amd64:base-4.0-noarch: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 6.5 (Final)
Release:	6.5
Codename:	Final

CPU

CPU統計の表示

[root@txs ~]# lscpu
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                12
On-line CPU(s) list:   0-11
Thread(s) per core:    1
Core(s) per socket:    6
Socket(s):             2
NUMA node(s):          2
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 63
Stepping:              2
CPU MHz:               1899.924
BogoMIPS:              3799.48
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              15360K
NUMA node0 CPU(s):     0,2,4,6,8,10
NUMA node1 CPU(s):     1,3,5,7,9,11

CPUモデルの表示

[root@txs ~]# cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c
     12  Intel(R) Xeon(R) CPU E5-2609 v3 @ 1.90GHz

物理CPU数の表示

[root@txs ~]# cat /proc/cpuinfo| grep "physical id"| sort| uniq| wc -l
2

各物理CPUにおけるcoreの個数(すなわちコア数)を表示

[root@txs ~]# cat /proc/cpuinfo| grep "cpu cores"| uniq
cpu cores	: 6

論理CPUの表示個数

[root@txs ~]# cat /proc/cpuinfo| grep "processor"| wc -l
12

メモリ

≪サマリー・メモリ使用量の表示｜View Summary Memory Usage｜emdw≫

[root@txs ~]# free -m
             total       used       free     shared    buffers     cached
Mem:         31996      12142      19854          0        193        512
-/+ buffers/cache:      11435      20561
Swap:            0          0          0

 
メモリハードウェア情報の表示

[root@txs ~]# dmidecode -t memory
# dmidecode 2.11
SMBIOS 2.8 present.
# SMBIOS implementations newer than version 2.7 are not
# fully supported by this version of dmidecode.

Handle 0x1000, DMI type 16, 23 bytes
Physical Memory Array
	Location: System Board Or Motherboard
	Use: System Memory
	Error Correction Type: Multi-bit ECC
	Maximum Capacity: 1536 GB
	Error Information Handle: Not Provided
	Number Of Devices: 24

Handle 0x1100, DMI type 17, 40 bytes
Memory Device
	Array Handle: 0x1000
	Error Information Handle: Not Provided
	Total Width: 72 bits
	Data Width: 64 bits
	Size: 16384 MB
	Form Factor: DIMM
	Set: 1
	Locator: A1
	Bank Locator: Not Specified
	Type: 
	Type Detail: Synchronous Registered (Buffered)
	Speed: 2133 MHz
	Manufacturer: 00CE00B300CE
	Serial Number: 157E9AD8
	Asset Tag: 00161330
	Part Number: M393A2G40DB0-CPB  
	Rank: 2
	Configured Clock Speed: 1600 MHz

Handle 0x1101, DMI type 17, 40 bytes
Memory Device
	Array Handle: 0x1000
	Error Information Handle: Not Provided
	Total Width: Unknown
	Data Width: Unknown
	Size: No Module Installed
	Form Factor: Unknown
	Set: 1
	Locator: A2
	Bank Locator: Not Specified
	Type: Unknown
	Type Detail: None
	Speed: Unknown
	Manufacturer: Not Specified
	Serial Number: Not Specified
	Asset Tag: Not Specified
	Part Number: Not Specified
	Rank: Unknown
	Configured Clock Speed: Unknown

............

メモリの詳細の表示

[root@txs ~]# cat /proc/meminfo
MemTotal:       32764900 kB
MemFree:        20329452 kB
Buffers:          198584 kB
Cached:           524936 kB
SwapCached:            0 kB
Active:          2448636 kB
Inactive:         244748 kB
Active(anon):    1970020 kB
Inactive(anon):        4 kB
Active(file):     478616 kB
Inactive(file):   244744 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:             0 kB
SwapFree:              0 kB
Dirty:                80 kB
Writeback:             0 kB
AnonPages:       1969864 kB
Mapped:            41344 kB
Shmem:               160 kB
Slab:            9497576 kB
SReclaimable:    9435936 kB
SUnreclaim:        61640 kB
KernelStack:        7376 kB
PageTables:        12232 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    16382448 kB
Committed_AS:    3205448 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      347172 kB
VmallocChunk:   34341191224 kB
HardwareCorrupted:     0 kB
AnonHugePages:   1783808 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7168 kB
DirectMap2M:     2015232 kB
DirectMap1G:    31457280 kB

メモリのスロット数、使用済みスロット数を確認します.1メモリあたりの容量

[root@txs ~]# dmidecode|grep -A5 "Memory Device"|grep Size|grep -v Range
	Size: 16384 MB
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: 16384 MB
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed
	Size: No Module Installed

ハードドライブ

HDDとパーティションの分散の表示

[root@txs ~]# lsblk
NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda      8:0    0 557.8G  0 disk 
├─sda1   8:1    0   200M  0 part /boot
├─sda2   8:2    0    32G  0 part /swap
└─sda3   8:3    0 525.6G  0 part /
sr0     11:0    1  1024M  0 rom  

[root@txs ~]# df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda3       518G  5.8G  486G   2% /
tmpfs            16G     0   16G   0% /dev/shm
/dev/sda1       194M   34M  151M  19% /boot
/dev/sda2        32G  176M   30G   1% /swap