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NetworkManager takes an opportunistic approach to network selection, attempting to use the best available connection as outages occur, or as the user roams between wireless networks. It prefers Ethernet connections over “known” wireless networks, which are preferred over wireless networks with SSIDs to which the user has never connected.
The device mapper is a framework provided by the Linux kernel for mapping physical block devices onto higher-level virtual block devices. It forms the foundation of the logical volume manager (LVM), software RAIDs and dm-crypt disk encryption, and offers additional features such as file system snapshots .
udev (userspace /dev) is a device manager for the Linux kernel.As the successor of devfsd and hotplug, udev primarily manages device nodes in the /dev directory. At the same time, udev also handles all user space events raised when hardware devices are added into the system or removed from it, including firmware loading as required by certain devices.
mountpoint — Check whether the directory or device is a mountpoint. mv — Move files. nbd-client — Connect to an NBD server. nc/netcat — Forward stdin/stdout to a file or network connection. netstat — Display networking information. nice — Run a command line at an increased or decreased scheduling priority. nl — Number lines of input.
Ethernet over USB is the use of a USB link as a part of an Ethernet network, resulting in an Ethernet connection over USB (instead of e.g. PCI or PCIe).. USB over Ethernet (also called USB over Network or USB over IP) is a system to share USB-based devices over Ethernet, Wi-Fi, or the Internet, allowing access to devices over a network.
HBA: Host bus adapters provide the physical interface between the input/output (I/O) host bus of Fibre Channel devices and the underlying Fibre Channel network. [9] Path: Connection from the server through the HBA to a specific LUN. DM Path States: The device mapper's view of the path condition. Only two conditions are possible:
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More commonly, the desired command names are linked (using hard or symbolic links) to the BusyBox executable; BusyBox reads argv[0] to find the name by which it is called, and runs the appropriate command, for example just /bin/ls. after /bin/ls is linked to /bin/busybox. This works because the first argument passed to a program is the name ...