Machine type on linux

How do I know my Linux machine type?

To find your PC’s serial number, type wmic bios get serialnumber in the command prompt window and press Enter. There are two commands that can be typed into the command prompt in order to find your PC’s machine-type model number.

How do I find manufacturer details in Linux?

Checking Linux system hardware manufacturer info

1. Dmidecode is a tool that reads computer’s DMI table contents and display’s system hardware information in a human-readable format.
2. inxi is a unique command that helps collect all the required hardware information in Linux systems.

How do I know if my Linux is x86 or x64?

To know whether your system is 32-bit or 64-bit, type the command “uname -m” and press “Enter”. This displays only the machine hardware name. It shows if your system is running 32-bit (i686 or i386) or 64-bit(x86_64).

What is Dmidecode command?

Dmidecode is a tool or command which is used to retrieve the useful information of your system’s hardware components in human readable format. Dmidecode stands for DMI (Desktop Management Interface) table decoder, as the name suggests it reads the data from DMI table and represents to us in human readable format.

What is Mo in laptop?

Short for magneto-optical, a type of data storage technology that combines magnetic disk technologies with optical technologies, such as those used in CD-ROMs. Like magnetic disks, MO disks can be read and written to. And like floppy disks, they are removable.

How do I find hardware information in Linux?

Basic Linux Commands to Check Hardware and System Information

1. Printing Machine Hardware Name (uname –m uname –a)
2. lscpu.
3. hwinfo- Hardware Information.
4. lspci- List PCI.
5. lsscsi-List sci devices.
6. lsusb- List usb buses and device details.
7. lsblk- List block devices.
8. df-disk space of file systems.

What is Dmidecode command in Linux?

Dmidecode is a tool or command which is used to retrieve the useful information of your system’s hardware components in human readable format. Dmidecode is available for all the Linux like systems (RHEL, CentOS, Debian and SUSE).

Is AMD x86 64?

The AMD64 or x86-64 or x64 is a 64-bit processor architecture invented by AMD. AMD64 is designed to enable simultaneous 32- and 64-bit computing with no degradation in performance.

How do I know x64 or x86?

1 Open the Start menu , type msinfo32 into the search box, and press Enter. 2 In System Summary on the left side, look to see if your System Type on the right side is either a x64-based PC or a x86-based PC.

What does the find command do in Linux?

How to find the type of a file in Linux?

How do I find out the name of my Linux system?

How to find the current working directory in Linux?

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Why does the executable built in 64 bit mode on linux show machine type as AMD x86 64?

So I checked the file header of a.out , it was as per ELF-64 specification ( Value 64 — EM_X86_64 ).

Would anyone care to explain, why does the executable, built in 64 bit mode on linux, show machine type as AMD x86 64 ?

Edited the question to put the title (which is the actual question) at the end of the post — @Shash316 — it would also help your question to add what you expected it to say. For example, posing the question as «Can anyone explain why I see x , because I would have expected to see something like y or z ?»

Could be answered by simply noting that x86_64 is Intel’s/AMD’s 64-bit architecture? Have you read en.wikipedia.org/wiki/X86-64?

3 Answers 3

The x86_64 platform was called the AMD64 platform back when AMD introduced it. Initially, it was far from clear that Intel would ever support it.

You notice how long after i386’s ceases to exist, a lot of software had the architecture tag i386 ? It was because i386 CPUs introduced the instruction set that software uses. Similarly, AMD introduced the instruction set your program uses, so it has an architecture tag that reflects the first CPUs that supported its instruction set. (Modern 32-bit code is still often tagged i686 which refers to the Pentium Pro, circa 1995.)

For a while, the IA-64 (Intel Architecture 64-bit) or Itanium chips were Intel’s 64-bit offering, and the Pentium-class chips were the IA-32 chips. The IA-64 chip instruction set was sufficiently different from the Pentium code set that people did not pick it up in large numbers. Meanwhile, AMD came out with a 64-bit extension to the Pentium code set — and that got a lot of support. After a while, Intel bowed to the inevitable and made its own chips that were compatible with the AMD x86/64 chips. But it was AMD that specified the architecture, so it gets the credit in the name.

why does the executable . show machine type as AMD x86 64?

Because the ELF machine code, used by file, was registered by AMD. There is the official list of registered codes: http://www.sco.com/developers/gabi/latest/ch4.eheader.html (the table at second page):

e_machine This member's value specifies the required architecture for an individual file. Name Value Meaning EM_NONE 0 No machine . EM_X86_64 62 AMD x86-64 architecture 

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virt-machine-type

The concept of a machine type represents the ABI or HW revision of the virtual hardware being used and presented to the guest. It is in general recommended to be upgraded on an upgrade of qemu/kvm, but so far there was no interface for that which was easy to use.

Such a change is picked up by a domain when it is (re-)started as the virtual HW can’t be replaced at runtime.

Libvirt support various hipervisors and all have machine types. But a machine type in the sense that virt-machine-type cares about are only really present in a qemu/kvm based hipervisor.

Details for virt-machine-type

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Enable snaps on Ubuntu and install virt-machine-type

Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.

Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.

Enable snapd

If you’re running Ubuntu 16.04 LTS (Xenial Xerus) or later, including Ubuntu 18.04 LTS (Bionic Beaver) and Ubuntu 20.04 LTS (Focal Fossa), you don’t need to do anything. Snap is already installed and ready to go.

For versions of Ubuntu between 14.04 LTS (Trusty Tahr) and 15.10 (Wily Werewolf), as well as Ubuntu flavours that don’t include snap by default, snap can be installed from the Ubuntu Software Centre by searching for snapd.

Alternatively, snapd can be installed from the command line:

sudo apt update sudo apt install snapd 

Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly.

Install virt-machine-type

To install virt-machine-type, simply use the following command:

sudo snap install virt-machine-type --edge

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How to set up the Machine Type (arch_id) for Linux Kernel Arm Cross-Compile

I would like to know how to set the correct MACH_TYPE or arch_id for the kernel. I searched and found at least 2 references where the kernel would hang at «Starting Kernel . «. These came with the same answer. Correctly set your Machine Type. But then neither mentions how to do so. Anyone know how to do this? Pretty good explanation for the hang. and Another good description. Both of these are close to what I am experiencing when I try to boot my kernel. It gets stuck on «Starting Kernel. » and won’t continue. I have built the kernel several times from .configs that were supposed to be exactly for my model. Timesys (LinuxLink) provides a .config that is supposed to match the kernel that they provide with their free build service. But that doesn’t work either. If I use their pre-built kernel it boots up no problem. So I know it is not my u-boot or how I have configured my SD-card. The problem must come from the kernel build. I run my make like: make ARCH=arm CROSS_COMPILE=$/bin/armv7l-timesys-linux-gnueabi- uImage and make my image as follows: sudo mkimage -A arm -O linux -T kernel -C none -a 0x70800000 -e 0x70800000 -n «Linux-2.6.35-ts-armv7l» -d arch/arm/boot/uImage ../../uImage I am working with a Freescale i.MX53 Eval Board. When I try to run the kernel:

U-Boot 2009.08-dirty (Aug 02 2013 - 19:57:03) CPU: Freescale i.MX53 family 2.1V at 800 MHz mx53 pll1: 800MHz mx53 pll2: 400MHz mx53 pll3: 432MHz mx53 pll4: 455MHz ipg clock : 66666666Hz ipg per clock : 33333333Hz uart clock : 66666666Hz cspi clock : 108000000Hz ahb clock : 133333333Hz axi_a clock : 400000000Hz axi_b clock : 200000000Hz emi_slow clock: 133333333Hz ddr clock : 400000000Hz esdhc1 clock : 80000000Hz esdhc2 clock : 80000000Hz esdhc3 clock : 80000000Hz esdhc4 clock : 80000000Hz nfc clock : 26666666Hz Board: MX53-LOCO 1.0 Rev. B Boot Reason: [POR] Boot Device: SD I2C: ready DRAM: 1 GB MMC: FSL_ESDHC: 0,FSL_ESDHC: 1 In: serial Out: serial Err: serial Serial reinitilized! Net: got MAC address from IIM: 00:04:9f:01:f7:ce FEC0 [PRIME] Hit any key to stop autoboot: 0 mmc0 is current device MMC read: dev # 0, block # 2048, count 8192 . 8192 blocks read: OK ## Booting kernel from Legacy Image at 70800000 . Image Name: Linux-2.6.35-ts-armv7l Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 2999932 Bytes = 2.9 MB Load Address: 70800000 Entry Point: 70800000 Verifying Checksum . OK XIP Kernel Image . OK OK Starting kernel . 

bootdelay=3 baudrate=115200 netdev=eth0 ethprime=FEC0 uboot=u-boot.bin kernel=uImage nfsroot=/opt/eldk/arm bootargs_base=setenv bootargs console=ttymxc0,115200 bootargs_nfs=setenv bootargs $ root=/dev/nfs ip=dhcp nfsroot=$:$,v3,tcp bootcmd_net=run bootargs_base bootargs_nfs; tftpboot $ $; bootm bootcmd=run bootcmd_mmc ethact=FEC0 lcd=video=mxcdi0fb:RGB24,SEIKO-WVGA di0_primary bootargs_mmc=setenv bootargs $ gpu_nommu $ ip=dhcp root=/dev/mmcblk0p1 rootwait rw bootargs=console=ttymxc0,115200 gpu_nommu video=mxcdi0fb:RGB24,SEIKO-WVGA di0_primary ip=dhcp root=/dev/mmcblk0p1 rootwait rw bootcmd_mmc=run bootargs_base bootargs_mmc; mmc dev 0; mmc read $ 0x800 0x2000; bootm loadaddr=0x70800000 stdin=serial stdout=serial stderr=serial 

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