Thread by @linuxopsys

50+ Linux networking commands and their explanation 🧵↓

→ arp - see your arp table.
→ aria2 – downloading just about everything. Torrents included.
→ arpwatch – Ethernet Activity Monitor.
→ bmon – bandwidth monitor and rate estimator.
→ bwm-ng – live network bandwidth monitor.
→ curl – transferring data with URLs.(or try httpie)

→ darkstat – captures network traffic, usage statistics.
→ dhclient – Dynamic Host Configuration Protocol Client
→ dig – query DNS servers for information.
→ dstat – replacement for vmstat, iostat, mpstat, netstat and ifstat.

→ ethtool – utility for controlling network drivers and hardware.
→ gated – gateway routing daemon.
→ host – DNS lookup utility.
→ hping – TCP/IP packet assembler/analyzer.
→ ibmonitor – shows bandwidth and total data transferred.

→ ifstat – report network interfaces bandwidth.
→ iftop – display bandwidth usage.
→ ip – a command with more features than ifconfig.
→ iperf3 – network bandwidth measurement tool.
→ iproute2 – collection of utilities for controlling TCP/IP.

→ iptables – take control of network traffic.
→ IPTraf – An IP Network Monitor.
→ iputils – set of small useful utilities for Linux networking.
→ iw – a new nl80211 based CLI configuration utility → for wireless devices.
→ jwhois (whois) – client for the whois service.

→ lsof -i – reveal information about your network sockets.
→ mtr – network diagnostic tool.
→ net-tools – utilities include: arp, hostname, ifconfig, netstat, rarp, route, plipconfig, slattach, mii-tool, iptunnel and ipmaddr.

→ ncat – improved re-implementation of the venerable netcat.
→ netcat – networking utility for reading/writing network connections.
→ nethogs – a small ‘net top’ tool.
→ Netperf – Network bandwidth Testing.
→ netplan – Netplan is a utility for easily configuring

→ networking on a linux system.
→ netsniff-ng – Swiss army knife for daily Linux network plumbing.
→ netwatch – monitoring Network Connections.
→ ngrep – grep applied to the network layer.
→ nload – display network usage.
→ nmap – network discovery and security auditing.

→ nmcli – a command-line tool for controlling NetworkManager and reporting network status.
→ nmtui – provides a text interface to configure networking by controlling NetworkManager.
→ nslookup – query Internet name servers interactively.

→ ping – send icmp echo_request to network hosts to test connectivity.
→ route – show / manipulate the IP routing table.
→ slurm – network load monitor.
→ snort – Network Intrusion Detection and Prevention System.
→ smokeping – keeps track of your network latency.

→ socat – establishes two bidirectional byte streams and transfers data between them.
→ speedometer – Measure and display the rate of data across a network.
→ speedtest-cli – test internet bandwidth using speedtest.net
→ ss – utility to investigate sockets.

→ ssh – secure system administration and file transfers over insecure networks.
→ tcpdump – command-line packet analyzer.
→ tcptrack – Displays information about tcp connections on a network interface.
→ telnet – user interface to the TELNET protocol.

→ tracepath – very similar function to traceroute.
→ traceroute – print the route packets trace to network host.
→ vnStat – network traffic monitor.
→ websocat – Connection forwarder from/to web sockets to/from usual sockets, in style of socat.

→ wget – retrieving files using HTTP, HTTPS, FTP and FTPS.
→ Wireless Tools for Linux – includes iwconfig, iwlist, iwspy, iwpriv and ifrename.
→ Wireshark – network protocol analyzer.

That's it!

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