Linux Network Setup/Monitor commands

Posted on November 30, 2009. Filed under: Linux | Tags: , , , , |

1. check devices status:

lspci  (dmidecode, lsusb, lshw , lspci)

reference: http://ubuntuforums.org/showthread.php?t=320995

2.  Check the network status:

mii-tool  (you should be root)

ip link

References:

http://www.linuxforums.org/forum/redhat-fedora-linux-help/129167-how-detect-hardware-add-new-one.html

3. NIC card change sequence:

nameif

(hwinfo)

/lib/udev/rename_netiface <old> <new>

References:

http://www.centos.org/modules/newbb/viewtopic.php?topic_id=10434

http://www.cyberciti.biz/faq/rhel-fedora-centos-howto-swap-ethernet-aliases/

http://www.linuxforums.org/forum/suse-linux-help/92280-how-change-ethx-ethy.html

4. iftop

a good console bandwidth visualization tool that shows you active
connections, where they are going to/from and how much of your precious bandwidth
they are using.

iftop is a command-line system monitor tool that produces a frequently-updated list of network connections. By default, the connections are ordered by bandwidth usage, with only the “top” bandwidth consumers shown.

Reference:

http://en.wikipedia.org/wiki/Iftop

5. iptraf

IPTraf is a console-based network statistics utility for Linux. It gathers a variety of figures such as TCP connection packet and byte counts, interface statistics and activity indicators, TCP/UDP traffic breakdowns, and LAN station packet and byte counts.

http://iptraf.seul.org/

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