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0
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3answers
100 views

Resolving MAC Address from IP Address in Linux

I need to write a bash script wherein I have to create a file which holds the details of IP Addresses of the hosts and their mapping with corresponding MAC Addresses. Is there any possible way with ...
0
votes
0answers
48 views

Connecting BeagleBoard-xm OS Angstrom direct to Laptop ubuntu 12.04

I have BeagleBoard-xm with Angstrom OS. My Laptop's OS is Ubuntu 12.04. I managed to connect Laptop to another Laptop, direct through crossover cable. I wanted to connect BeagleBoard-xm to the ...
0
votes
2answers
75 views

Problem accessing Internet on Linux (kubuntu)

I am new to Linux (in fact just installed it last night). I am setting up my internet. I made a switch from Windows 7 to Linux in order to learn it. On Windows 7 I was accessing the internet by ...
2
votes
2answers
528 views

ethtool get permanent MAC address returns all 0's

I need to read permanent (burned-in) MAC address of network adapter. Since MAC address can be easily spoofed, I need to read the real one which is written on EEPROM. I need to do it using C++ on ...
0
votes
1answer
111 views

How to get switch MAC address if it's a layer2 one?

arp -a doesn't show it. How can I get the MAC of it then? (on ex.: from a Linux)
2
votes
3answers
782 views

Why is delay after ifconfig down needed before up if changing MAC address?

Hi I made bash script to put down my interface, change MAC address and get it up again. #!/bin/bash INTERFACE_STATUS=$( cat /sys/class/net/eth0/operstate ) echo "$INTERFACE_STATUS" if [ ...
8
votes
2answers
1k views

Can one ping a NIC by MAC

I have an NIC card on a Debian machine somewhere. The machine is turned off, but I need to know whether the NIC card is turned on so that I can send a wake-on-lan magic packet later (from another ...
2
votes
0answers
209 views

Failed to execute shell script from “network” udev rule to change the MAC-address

I am trying to execute a shell script from udev rule, when a network interface is added, as follows: SUBSYSTEM=="net", ACTION=="add", KERNEL=="eth*", PROGRAM="/usr/local/bin/changemac.sh", ...
4
votes
2answers
710 views

Set MAC address to default

Sometimes I need to spoof MAC address, I'm doing so with this command: ip link set dev eth0 address XX:XX:XX:XX:XX:XX Is there a way how to set MAC address back to default without reboot?
3
votes
3answers
985 views

Any way to list wireless clients in range

I'm looking to see whether it's possible to implement a staff 'in office/out of office' facility by tracking the active wifi (phones/tablets/laptops) in the building. Is it possible to return a list ...
1
vote
1answer
1k views

UUID based on global MAC address

I used the uuid command from the uuid-1.6.2-8.fc17.x86_64 package to generate version 1 UUIDs. The man page said that the default is to use the real MAC address of the host, but when I decoded the ...
3
votes
2answers
630 views

Is there a way to find the mac address of a remote machine I have connected to with ssh?

I have machine at the office which is shut off I was hoping to turn it on from home using wake on lan. Reading about this, I have realized that I need the MAC address of the machine. Is there a way to ...
3
votes
0answers
272 views

MAC OS X lion mac address spoofing problem

I have to change the MAC address of my Macbook due to ISP issues. I changed it using: sudo ifconfig en1 ether my_new_mac_address And it is changed successfully when I check it through: ifconfig ...
1
vote
1answer
637 views

macchanger: Too many open files in system

I'm having a problem with macchanger. Whenever I try to run the command macchanger -r eth1, I get the following error: ERROR: Can't change MAC: interface up or not permission: Too many open files in ...
3
votes
3answers
3k views

Make some virtual MAC address

I want to make some virtual MAC addresses for my network adapter or wireless adapter, so I can connect to network with more than one IP address from one computer or laptop. How can I do it? (I know ...
2
votes
1answer
471 views

static ip to a freebsd server

I have Comcast cable <====> modem <===> router <===> freebsd server My freebsd server is connected to wireless router via a network cable. What I want to do is, to have a static ...
6
votes
3answers
896 views

Print mac address to file

With a bash script, can I read the mac address of my eth0 and print it to a file?