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I would like to retrieve the ethernet address of the network interface that is used to access a particular website.
How can this be done in Java?
Solution Note that the accepted solution of getHardwareAddress is only available in Java 6. There does not seem to be a solution for Java 5 aside from executing i(f|p)confing.
I'm looking for some Linux code to find an IP address from an Ethernet adress. I suppose I have to do some inverse ARP trickery but I don't find any example...
Code snippet from here:
void packet_handler(u_char *param, const struct pcap_pkthdr *header, const u_char *pkt_data)
{
....
/* retireve the position of the ip header */
ih = (ip_header *) (pkt_data +
14); //length of ethernet header
....
But this image doesn't say it's necessarily 14:
How should I do it properly?
…
I had Ubuntu 11.10 and in the last few weeks I experienced an obscure problem: after I had the computer running for a few days I could no longer connect to google.com or anything related to google. All sites worked with all browsers (Firefox, chrome, opera) except google. It remained in the connecting phase for a few minutes and either timed…
I have a davicom dm9601 USB ethernet card.
When I plug in the device, it is detected and drivers are
loaded, but I can't connect to internet using it.
It works perfectly on XP, other laptop but not working on Ubuntu 11.10
How can I install the driver for this? I have tried many things But nothing is working.
If I go to this link driver…
I have an HDTV which supports internet connectivity through an ethernet port or wirelessly (but this requires an additional wireless USB adapter, which I don't have).
I also have a blue ray player than supports internet connectivity through an ethernet port or wirelessly (natively - no other devices are needed).
I want to connect my TV to…
I have a PC and I connectted to my modem (via ethernet cable). I want to prepare interface (VS2010) and I want to connect it and do the following:
Modem access the admin page (IP: 192.168.1.1 password: admin password: admin)
Wireless band (2.4GHz or 5GHz) changing
Network mode (N-only, B/G/N- Mixed) changing
channel changing (channel 1,…
I have a HD Home Run TV over ethernet device, which connects the aerial to my router, and from there the router connects to my PC over about 15m of 100Mbps ethernet cable.
The TV output lags every second. It does not do so for a computer much closer to the router.
It is odd to me that the network rate is around 7Mbps on a 100Mbps cable.…
can i convert phone wiring in walls to act as only Ethernet network cause the phone wiring is not in use and not connected to the phone company so there is no voltage in the wires
i remove the wall plate and i find 6 wires blue,blue/white,green,green/white,orange,orange/white , and i know that Ethernet use 8
here is what i am thinking…
can i convert phone wiring in walls to act as only Ethernet network cause the phone wiring is not in use and not connected to the phone company so there is no voltage in the wires
i remove the wall plate and i find 6 wires blue,blue/white,green,green/white,orange,orange/white , and i know that Ethernet use 8
here is what i am thinking…
I'm brand new to Ubuntu and I'm tearing my hair out trying to figure out how to connect to the internet. When I try to activate the Broadcom STA wireless driver, it says
"Sorry, installation of this driver failed. Please have a look at the log file for details: /var/log/jockey.log."
So I try the steps detailed here…
Oracle Corporation has published the certification of 10 Gigabit Ethernet available on IBM Power systems with AIX. This announcement demonstrates the continuing commitment of Oracle and IBM to enhance customer value through support of IBM Power and AIX technology.
I have been trying to get 12.04 bridging working with two 10GbE cards.
I have 2 10GbE cards in a linux box being used only for this bridge, 1 with 2 10GbaseT ports and another with a single CX4 port.
I have 2 client computers connected with 10GbaseT cards and the CX4 card connects to a procurve switch.
I can get the…
I've been around here before and I could usually piece together everything to more or less get myself up and running, but this time I'm truly stumped.
I'm trying to connect my new 14.04 install to a network, and I'm forced to be behind my college's router. Now I've tested the vary cable that is right now plugged into…
It's been well over six months but I have the same router SmartAX MT880d with Ethernet, and the exact same problem : no internet, even though I can successfully reach the modem settings page by entering 192.168.1.1 in Firefox.
I'm a total beginner with Ubuntu. My internet works great in Windows but does not work in…
I have a small living room PC (Bohica, running fully-updated Ubuntu 10.10/Maverick) connected to my HDTV that I use for web browsing and media streaming. It connects via WiFi (wlan0) to my Fedora server (Snafu) that in turn connects to the internet. I use static addressing, and everything has been working fine.
I…
Do I need to post another thread for the same? If so, sorry.
Yes, I saw that it's been well over six months but I have the same router SmartAX MT880d with ethernet, and the exact same problem, that is no internet even though I can successfully reach the modem settings page by entering 192.168.1.1 in Firefox. Sorry…
I just bought a Lenovo T420, I booted the live CD and couldn't connect to my wireless router so I figured I needed the drivers for it. I have the last version of Ubuntu(12.04).
It's a
Intel® 82579 Gigabit Ethernet Controller
So I went on intel's website and downloaded the Drivers for Linux and compiled them with…
Since yesterday, my wired network connection has been dropping for a couple of seconds every 30 seconds or so. To my knowledge, I had not made any changes to my network.
Output of ifconfig -a:
? ~ ifconfig -a
eth0 Link encap:Ethernet HWaddr 6c:f0:49:b9:b1:7f
inet addr:192.168.0.16 …
I have a Vista x64 machine on a fairly fast Internet connection and either buggy drivers for the onboard Ethernet or faulty onboard Ethernet hardware.
If I sustain too high a throughput on the Ethernet connection the network connection within Windows fails and I have to restart the machine to restore…
Ok sorry if this is the most basic question in the world but for years I have needed more ethernet ports in my room and my whole house is wired with 1 ethernet port in each room, I also wanted to be able to plug into the room ethernet port with another router to get more plugins and that wasn't…
I want to maximize the throughput of a data transfer between two servers. The copy will be made at the application layer using Robocopy.
To clear things up, please check my Visio schema of the network:
FS1---------(SW1)===========(SW2)--------- FS2
SW1 to SW2 is connected through 10…
Hello All,
I am having a difficult time properly configuring an ethernet bridge using OpenVPN 2.0.9 install on CentOS 5 ( VPN server ). The goal that I am trying to complete is to connect a VM ( instance running on the same CentOS machine ) acting as a Microsoft Business Contact Manager…