리눅스 deidecode 명령어

[ dmidecode ]

말 그대로 DMI Table을 사람이 읽을 수 있는 형태로 해독(decode)해주는 명령어이다.

 

하드웨어를 점검하거나 이름을 파악할 때 필요하다. 또한, 장애 발생 시 상세 정보 확인시에도 필요하다.

메인보드, CPU, Memory 등의 정보를 확인할 수 있음.

 

 

** 사전준비

보통 linux에 안깔려있는 경우가 많으므로 깔아주어야 한다.

yum -y install dmidecode*

 

 

[사용법]

dmidecode [옵션]

 

[옵션]

-t : type을 지정하여 지정된 형태를 가져옴

( bios, system, baseboard, chassis, processor, memory, cache, connector, slot, ..)

 

 

[root@localhost ~]# dmidecode -t processor

 

..

..

Handle 0x0083, DMI type 4, 42 bytes

Processor Information

        Socket Designation: CPU #127

        Type: Central Processor

        Family: Unknown

        Manufacturer: GenuineIntel

        ID: EB 06 00 00 FF FB AB 0F

        Version: Intel(R) Core(TM) i5-8265U CPU @ 1.60GHz

        Voltage: 3.3 V

        External Clock: Unknown

..

..

 

[root@localhost ~]# dmidecode -t bios

# dmidecode 3.2

Getting SMBIOS data from sysfs.

SMBIOS 2.7 present.

 

 

Handle 0x0000, DMI type 0, 24 bytes

BIOS Information

        Vendor: Phoenix Technologies LTD

        Version: 6.00

        Release Date: 07/02/2015

        Address: 0xEA5E0

        Runtime Size: 88608 bytes

        ROM Size: 64 kB

        Characteristics:

                ISA is supported

                PCI is supported

                PC Card (PCMCIA) is supported

                PNP is supported

                APM is supported

                BIOS is upgradeable

                BIOS shadowing is allowed

                ESCD support is available

                Boot from CD is supported

                Selectable boot is supported

                EDD is supported

                Print screen service is supported (int 5h)

                8042 keyboard services are supported (int 9h)

                Serial services are supported (int 14h)

                Printer services are supported (int 17h)

                CGA/mono video services are supported (int 10h)

                ACPI is supported

                Smart battery is supported

                BIOS boot specification is supported

                Function key-initiated network boot is supported

                Targeted content distribution is supported

        BIOS Revision: 4.6

        Firmware Revision: 0.0

 

-s : dmi에서 주어지는 값을 보여줌

 

[root@localhost ~]# dmidecode -s bios-vendor

Phoenix Technologies LTD