![]() ![]() On Linux and all Unix-like operating systems, the utilities ifconfig and the newer ip (from the iproute2-bundle) are used to configure IEEE 802.3 and IEEE 802.11 hardware. to send and receive network packets.Ĭonfiguration of network interfaces without NetworkManager The configuration utility to configure the hardware, and programs like the web browser/ SSH/ NTP-client/etc. (This abstraction is called the everything is a file concept.)Īnything in user-space accesses the hardware through its device file. Since systemd, they are named differently: enp4s0, etc. All device files are found in the /dev directory, and traditionally the device files for Ethernet hardware have been named eth0, eth1, etc. In case of Linux, the kernel presents for each device driver a representation in form of a device file. The hardware is accessed (and also configured) through its device driver. In case of a monolithic kernel all the device drivers are part of it. network card or wireless network card and this hardware must be configured accordingly to be able to establish a connection. Each participating computer must have the suitable hardware, e.g. IEEE 802.3 (Ethernet), IEEE 802.11 ("wireless"), IEEE 802.15.1 (Bluetooth), PPPoE, PPPoA, and many many more. To connect computers with each other, various communications protocols have been developed, e.g. Utility programs are not depicted, they communicate through the SCI with the different components of the kernel. ![]() How it works Linux kernel: network device drivers and network stack. NetworkManager is available for Linux kernel-based and other Unix-like operating systems. NetworkManager is a software utility that aims to simplify the use of computer networks. NetworkManager is a daemon that sits on top of libudev and other Linux kernel interfaces (and a couple of other daemons) and provides a high-level interface for the configuration of the network interfaces. Network interface configuration daemon and utility. ![]()
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