Tuesday, July 22, 2008

Some basic Unix/Linux network commands for Troubleshoot

Troubleshooting or just need a quick refresher on some basic and advanced Unix Linux network related commands?

ifconfig - configure a network interface (setup)
route - show / manipulate the IP routing table
ping, ping6 - send ICMP ECHO_REQUEST to network hosts
netstat
- Print network connections, routing tables, interface statistics, masquerade connections, and multicast memberships

tcpdump - dump traffic on a network
tcpslice - extract pieces of and/or glue together tcpdump files

traceroute - print the route packets trace to network host
tracepath, tracepath6 - traces path to a network host discovering MTU along this path
iwconfig - configure a wireless network interface
iwlist - Get more detailed wireless information from a wireless interface
wpa_supplicant - Wi-Fi Protected Access client and IEEE 802.1X supplicant
wpa_supplicant.conf [wpa_supplicant] - configuration file for wpa_supplicant
ipcalc - perform simple manipulation of IP addresses
nc - arbitrary TCP and UDP connections and listens
snort - open source network intrusion detection system
ettercap - A multipurpose sniffer/content filter for man in the middle attacks
ethereal - Interactively dump and analyze network traffic

23 comments:

Clyde said...

Great list and description of Linux networking commands - this will be very useful!

Some people like to learn how to use Linux command line basics and lots of Linux commands by using Linux training video tutorials - to watch free sample Linux training videos to learn how to use Linux commands - for ANY version of Linux, go to:

http://www.iLearnLinux.com/Linux-Commands/

And you can watch free sample Ubuntu Linux (general Linux installation, desktop operating and desktop use) videos here:

http://www.iLearnLinux.com/Ubuntu-Linux

You can also have a look at a Linux "book blog" for people just learning Linux commands (people new to Linux) - it's a Linux Commands training book being developed in a "Linux blog to book" format - it is being created and developed - daily - over at:

http://www.LinuxCommandsBookBlog.com

You can contribute to a Linux commands training book!

I welcome your comments, suggestions and Linux training questions.

You can sign up (by putting your email in the top right corner) to get regular blog updates by email or RSS - all free!

Thanks for the post!

Clyde Boom, http://www.iLearnLinux.com
The Easy Linux Training Guy ;) - Easy, self-paced Linux training - in Plain English!

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