Aug 18, 2017 - Manufacturer Name Hardware description Distro support Works w/o hub AP mode Ad hoc Notes Debian Raspbian Other 3COM. CrunchBang Linux is an excellent choice if you want the stability of Debian but want exposure to the command line and uses the excellent Openbox window manager. It has friendly forums with plenty of passionate Debian/Crunchbang users to help you.
: English -Device Management Overview This page aims to give a rough overview of the various subsystems used in linux to manage devices. It will hopefully give you enough of the big picture to better understand the man pages and documentation for the specific subsystems. It won't tell you how to create devices or have scripts run when new devices are added.
![Device Driver Manager Debian Wiki Device Driver Manager Debian Wiki](/uploads/1/2/5/6/125659774/363228931.png)
There is a hierarchy to the various systems. It looks something like this:.
Kernel & Modules. sysfs. hotplug. udev. hal.
/dev Kernel Kernel and kernel modules drive the devices.sysfs Sysfs is a virtual file system provided by the 2.6 Linux kernel. Sysfs exports information about devices and drivers from the kernel device model to userspace, and is also used for configuration. See Udev and hal use sysfs to do their work.hotplug The kernel calls the /sbin/hotplug script when it sees new hardware passing several arguments. The scripts load kernel modules and user scripts when new hardware is seen.udev New with the 2.6 kernel, udev automates the creation and removal of devices in /dev. Udev replaces the devfs of the 2.4 kernel. From the udev man page. As part of the hotplug subsystem, udev is executed if a kernel device is added or removed from the system.
On device creation, udev reads the sysfs directory of the given device to collect device attributes. These attributes may be used as keys to determine a unique name for the device.hal From the /usr/share/doc/hal/NEWS.gz. HAL is a hardware abstraction layer and aims to provide a live list of devices present in the system at any point in time. HAL tries to understand both physical devices (such as PCI, USB) and the device classes (such as input, net and block) physical devices have, and allows merging of information from so called device info files specific to a device. HAL provides a network API through D-BUS for querying devices and notifying when things change.
Finally, HAL provides some monitoring (in an unintrusive way) of devices; presently ethernet link detection and volume mounts are monitored. This, and more, is all described in the HAL specification./dev Entries in /dev give access to the devices the kernel drives. Entries here can be made by hand using command line utilities, or by an automated utility such as DevFS.