.. -*- coding: utf-8; -*-
.. include:: HEADER.rst

================
 List hardware.
================
.. contents::

Connon method under Linux.
==========================

  ``dmesg``
                Messages about detecting new hardware.
  ``lshal -m``
                monitor for hardware changes
  ``lspci``
                all PCI devices
  ``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.

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.

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.

Processor.
==========

  ``cat /proc/cpuinfo``
                All processors, clock speeds, flags, and more.
  ``cat /proc/loadavg``
                Processor load average for the last 1, 5, and 15 minutes.
  ``top``
                Press C key to sort processes by CPU usage.

Memory.
=======

  ``cat /proc/meminfo``
                Amount of RAM and swap, and how much is being used for what.
  ``free -m``
                Total, used, and free memory shown in MB.
  ``top``
                Press M key to sort processes by memory usage.
  ``dmidecode``
                DMI table decoder. Check ``--type`` option.

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.