Linux Commands

Following are the list of Linux commands and scripts, which will be helpful in managing and debugging network and bandwidth:

1. arpwatch – Ethernet Activity Monitor.
2. bmon – bandwidth monitor and rate estimator.
3. bwm-ng – live network bandwidth monitor.
4. curl – transferring data with URLs. (or try httpie)
5. darkstat – captures network traffic, usage statistics.
6. dhclient – Dynamic Host Configuration Protocol Client
7. dig – query DNS servers for information.
8. dstat – replacement for vmstat, iostat, mpstat, netstat and ifstat.
9. ethtool – utility for controlling network drivers and hardware.
10. gated – gateway routing daemon.
11. host – DNS lookup utility.
12. hping – TCP/IP packet assembler/analyzer.
13. ibmonitor – shows bandwidth and total data transferred.
14. ifstat – report network interfaces bandwidth.
15. iftop – display bandwidth usage.
16. ip (PDF file) – a command with more features that ifconfig (net-tools).
17. iperf3 – network bandwidth measurement tool. (above screenshot Stacklinux VPS)
18. iproute2 – collection of utilities for controlling TCP/IP.
19. iptables – take control of network traffic.
20. IPTraf – An IP Network Monitor.
21. iputils – set of small useful utilities for Linux networking.
22. iw – a new nl80211 based CLI configuration utility for wireless devices.
23. jwhois (whois) – client for the whois service.
24. “lsof -i” – reveal information about your network sockets.
25. mtr – network diagnostic tool.
26. net-tools – utilities include: arp, hostname, ifconfig, netstat, rarp, route, plipconfig, slattach, mii-tool, iptunnel and ipmaddr.
27. ncat – improved re-implementation of the venerable netcat.
28. netcat – networking utility for reading/writing network connections.
29. nethogs – a small ‘net top’ tool.
30. Netperf – Network bandwidth Testing.
31. netsniff-ng – Swiss army knife for daily Linux network plumbing.
32. netstat – Print network connections, routing tables, statistics, etc.
33. netwatch – monitoring Network Connections.
34. ngrep – grep applied to the network layer.
35. nload – display network usage.
36. nmap – network discovery and security auditing.
37. nmcli – a command-line tool for controlling NetworkManager and reporting network status.
38. nmtui – provides a text interface to configure networking by controlling NetworkManager.
39. nslookup – query Internet name servers interactively.
40. ping – send icmp echo_request to network hosts.
41. route – show / manipulate the IP routing table.
42. slurm – network load monitor.
43. snort – Network Intrusion Detection and Prevention System.
44. smokeping – keeps track of your network latency.
45. socat – establishes two bidirectional byte streams and transfers data between them.
46. speedometer – Measure and display the rate of data across a network.
47. speedtest-cli – test internet bandwidth using speedtest.net
48. ss – utility to investigate sockets.
49. ssh – secure system administration and file transfers over insecure networks.
50. tcpdump – command-line packet analyzer.
51. tcptrack – Displays information about tcp connections on a network interface.
52. telnet – user interface to the TELNET protocol.
53. tracepath – very similar function to traceroute.
54. traceroute – print the route packets trace to network host.
55. vnStat – network traffic monitor.
56. websocat – Connection forwarder from/to web sockets to/from usual sockets, in style of socat.
57. wget – retrieving files using HTTP, HTTPS, FTP and FTPS.
58. Wireless Tools for Linux – includes iwconfig, iwlist, iwspy, iwpriv and ifrename.
59. Wireshark – network protocol analyzer.