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Shows only listening sockets. netstat -aep: Also show PID and to which program each socket belongs, e adds extra info like the user. Run as root to see all PIDs. netstat -s: Shows network statistics. netstat -r: Shows kernel routing information. This is the same output as route -e. netstat -i: Displays a table of all network interfaces.
ifconfig (short for interface config) is a system administration utility in Unix-like operating systems for network interface configuration.. The utility is a command-line interface tool and is also used in the system startup scripts of many operating systems.
In interactive mode, it displays the network status on the user's terminal. In Web mode, it acts as a web server, creating a HTML dump of the network status. It supports a NetFlow-sFlow emitter-collector, a Hypertext Transfer Protocol (HTTP) based client interface for creating ntop-centric monitoring applications, and RRDtool (RRD) for persistently storing traffic statistics.
When talking about circuit bit rates, people will interchangeably use the terms throughput, bandwidth and speed, and refer to a circuit as being a '64 k' circuit, or a '2 meg' circuit — meaning 64 kbit/s or 2 Mbit/s (see also the List of connection bandwidths). However, a '64 k' circuit will not transmit a '64 k' file in one second.
It is designed to be scalable and uses a switched fabric network topology. Between 2014 and June 2016, [ 1 ] it was the most commonly used interconnect in the TOP500 list of supercomputers. Mellanox (acquired by Nvidia ) manufactures InfiniBand host bus adapters and network switches , which are used by large computer system and database vendors ...
ethtool is the primary means in Linux kernel-based operating systems (primarily Linux and Android) for displaying and modifying the parameters of network interface controllers (NICs) and their associated device driver software from application programs running in userspace.
In computer networks, network traffic measurement is the process of measuring the amount and type of traffic on a particular network. This is especially important with regard to effective bandwidth management .
The speed of light imposes a minimum propagation time on all electromagnetic signals. It is not possible to reduce the latency below = / where s is the distance and c m is the speed of light in the medium (roughly 200,000 km/s for most fiber or electrical media, depending on their velocity factor).