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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. Add -e to get output similar to ifconfig. netstat -ct: Displays TCP connections continuously. netstat -g: Display multicast group membership information for IPv4 and IPv6. netstat -lntu
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. It has features for configuring, controlling, and querying TCP/IP network interface ...
Three network interface widgets (2 Ethernet and 1 WiFi) showing two network interfaces being up, one being down with no cable plugged in (hence: "no carrier"), underlined in red. NO CARRIER (capitalized) is a word code transmitted from a modem to its attached device (typically a computer ), indicating the modem is not (or no longer) connected ...
Linux kernel: network device drivers and network stack. Utility programs are not depicted, they communicate through the SCI with the different components of the kernel. To connect computers with each other, various communications protocols have been developed, e.g. IEEE 802.3 (Ethernet), IEEE 802.11 ("wireless"), IEEE 802.15.1 (Bluetooth ...
vnStat, useful command to monitor network traffic from the console. vnstat allows to keep the traffic information in a log system to be analyzed by third party tools. Other network utilities include: netstat, displays network connections (both incoming and outgoing), routing tables, and a number of network interface and network protocol ...
netsniff-ng is a free Linux network analyzer and networking toolkit originally written by Daniel Borkmann. Its gain of performance is reached by zero-copy mechanisms for network packets (RX_RING, TX_RING), [3] so that the Linux kernel does not need to copy packets from kernel space to user space via system calls such as recvmsg().
Wireless tools for Linux is a collection of user-space utilities written for Linux kernel-based operating systems to support and facilitate the configuration of device drivers of wireless network interface controllers and some related aspects of networking using the Linux Wireless Extension.
On Linux, tracepath is a utility similar to traceroute, with the primary difference of not requiring superuser privileges. [ 12 ] Cisco 's implementation of traceroute also uses a sequence of UDP datagrams, each with incrementing TTL values, to an invalid port number at the remote host; by default, UDP port 33434 is used.