.. -*- coding: utf-8; -*-

.. include:: HEADER.rst

================

 List hardware.

================

.. contents::

List hardware under Linux.

==========================

Command line:

  ``dmesg``

    Messages about detecting new hardware.

  ``lshal -m``

    monitor for hardware changes

  ``lspci``

    All PCI devices.

  ``lspci -vvv``

    All PCI devices. Very verbose output.

  ``sudo lspci -vvvnn``

    All PCI devices. Very verbose output with vendor and device codes as both numbers and names.

  ``hwinfo --short``

    Overview of all hardware, as well as more detailed info.

  ``lshw``

    Another program for listing hardware.

  ``lshw -html | w3m -T text/html``

    Lists hardware with HTML output in the w3m web browser.

  ``uptime``

    Current time elapsed since last reboot, users, and load average.

  ``lsusb``

    USB buses and attached devices.

  ``lsusb -vvv``

    USB buses and attached devices. Very verbose output.

GUI: ``hardinfo``, ``lshw-gtk``.

List hardware under Windows.

============================

  ``%WINDIR%\system32\msinfo32.exe``

    msinfo32

  http://www.cpuid.com/softwares/cpu-z.html

    cpu-z

  ``%WINDIR%\system32\dxdiag.exe``

    DirectX Diagnostic Tool

  ``%WINDIR%\system32\devmgmt.msc /s``

    Device Manager

List processors.

================

  ``cat /proc/cpuinfo``

    All processors, clock speeds, flags, and more.

  ``watch -d grep MHz /proc/cpuinfo``

    CPU MHz speed monitor.

  ``cat /proc/loadavg``

    Processor load average for the last 1, 5, and 15 minutes.

  ``top``

    Press C key to sort processes by CPU usage.

  ``sudo powertop``

    CPU usage by processes, idle/freq/dev stats

List memory.

============

  ``free``

    Total, used, and free memory.

  ``free -m``

    Total, used, and free memory shown in MB.

  ``cat /proc/meminfo``

    Amount of RAM and swap, and how much is being used for what.

  ``top``

    Real-time memory consumption. Press M key to sort processes by memory usage.

::

  $ cat /proc/meminfo

  $ sudo lshw -class memory

  $ sudo lshw -short -C memory

  $ sudo dmidecode --type memory

  $ sudo apt-get install i2c-tools

  $ sudo modprobe eeprom

  $ sudo decode-dimms

  $ read-edid

Graphics card.

==============

  ``glxinfo``

                Details about OpenGL, the Xserver, and your graphics card.

  ``glxinfo | grep direct``

                Do you have direct 3d rendering?

  ``glxinfo | grep vendor``

                Graphics card vendor.

  ``lspci | grep VGA``

                Specific graphics card model.

  ``glxgears``

                A simple 3d benchmark, prints frame rate to the terminal.

  ``xrandr``

                Supported display resolutions.

  ``xdpyinfo``

    Utility for displaying information about an X server.

  ``xvinfo``

    Print out X-Video extension adaptor information.

  ``xdriinfo``

    Query configuration information of DRI drivers.

Audio.

======

  ``lspci | grep Audio``

                Audio controller.

  ``aplay --list-devices``

                More audio device information.

Software versions.

==================

  ``cat /etc/issue``

                Current distribution and version.

  ``apt-cache showpkg packagename``

                Packagename’s version and dependencies.

  ``uname -r``

                Linux kernel version.

  ``uname -a``

                All kernel details.

Networking.

===========

  ``lspci | grep Ethernet``

                Ethernet controllers.

  ``ip addr show``

                List of netword devices, assigned IP addresses and MAC addresses.

  ``ifconfig``

                Networking interfaces, IP addresses, and more.

Hard disks.

===========

  ``df -H``

                Partitions, as well as their mount-points and usage in GB.

  ``sudo fdisk -l``

                All partitions, their device names, and positions on disk.

  ``hwinfo --disk`` or  ``lshw -class disk``

                Disk hardware info.

  ``smartctl``

                Show S.M.A.R.T. reports about disk heals.

Fan/temperature/voltage.

========================

Detect available sensors::

  $ sudo apt-get install lm-sensors

  $ sudo sensors-detect

Load corresponding kernel module, like::

  $ sudo modprobe coretemp

Check output::

  $ sudo sensors

``sensors`` uses ``/sys/class/hwmon/*`` hierarchy.

HDD temperature through SMART::

  $ sudo hddtemp /dev/sd?

BIOS info.

==========

Human readable string with BIOS.motheboard names::

  $ dd if=/dev/mem bs=64k skip=15 count=1 | strings

Find out virtualization type.

=============================

::

  $ sudo apt-get install virt-what

  $ virt-what

  $ sudo apt-get install imvirt

  $ imvirt