Debian :: Change Mac Address For Wlan0 Without Using Macchanger Software
Sep 6, 2015
I have running Raspbian on my Raspberry Pi
I have two usb wifi dongles that both work and connect to my router when testing.
- Edimax EW-7811UN
- Adafruit Miniature WiFi (802.11b/g/n)
However when I try to change the Mac Address's of either of these usb devices when only one is plugged in and in use at one time I cannot do it as the effects seem to not take place.
I have tried using cmd
Code: Select all  ifconfig wlan0 down
  ifconfig wlan0 hw ether 00:00:11:11:00:00
  ifconfig wlan0 up
and also editing /etc/network/interfaces file wlan0 entry
Code: Select all  iface wlan0 inet static
      hwaddress ether 01:01:01:01:01:01
      address 192.168.1.100
      netmask 255.255.255.0
After doing this and running ifconfig I can see that either of the two USB'S device has the same MAC.
I have also tried rebooting the device but the mac address is the same.
I have heard there is a package called macchanger but I would like to do this without it, how could I go about doing this?
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Jul 29, 2011
change my WLAN0 MAC address in my Kubuntu Natty 64 bit at every boot. I have done quite a bit of searching and found some procedures that appear to have worked back in 9.04 and before days but I have been unable to get anything to work for me in my 11.04 install. I have tried adding a script to if.pre-up.d and also tried adding a bootmisc.sh and either I did them wrong or they are not working. I want to make sure that every time I bring the wireless up in Kubuntu that I have the changed MAC address. I usually keep wireless disabled and turn it on just when I need it.
Background so you don't think I am doing something nefarious... I am going on a cruise soon. The cruise line sells wireless internet subscriptions for the duration of the cruise but they tie it to a MAC address. I am bringing my CDMA android phone that unless I use VOIP will be unable to call at all or at least with very high charges. But I also want to be able to browse the internet with my laptop. I figure it will be easier to spoof my phones MAC with the PC than the other way around. I just need to turn one device off if I am using the other. I need the MAC address to be semi permanent so I don't turn it on by mistake and have forgotten to change the MAC.
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Sep 23, 2010
This is embarrassing. I can't get a wireless address from my router with dhclient. The distribution is sid/lxde/liquorix kernel with no network manager on /dev/sdb1.
root@sid:/home/jheaton5# dhclient -4 -v wlan0
Internet Systems Consortium DHCP Client 4.1.1-P1
Copyright 2004-2010 Internet Systems Consortium.
[code]....
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Nov 12, 2015
I've installed macchanger and choosen the "run on boot" option. But it doesn't work.
Dump of /var/log/macchanger.log:
Code: Select alldisabled in /etc/default/macchanger
disabled in /etc/default/macchanger
disabled in /etc/default/macchanger
disabled in /etc/default/macchanger
disabled in /etc/default/macchanger
[Code] .....
If I change to ENABLE_ON_POST_UP_DOWN=true then I get this log-output after reboot:
Code: Select allIFACE = --all
/usr/bin/macchanger: unrecognized option '--all'
GNU MAC Changer
Usage: macchanger [options] device
[Code] ....
Report bugs to [URL] ....
Guess its some bug about the interface, but how do I change it?
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Apr 18, 2009
I am tring to get my linksys wireless router to connect to my laptop that i recently installed Fedora 10 on. Well it is actully running of an external HD. Any way when i boot in windows it connects and works fine, but when i try to activate wlan0 it says "Cannot activate network divice wlan0!" "determining IP info failed..."
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Feb 4, 2010
Recently, I've set up Ubuntu Server 9.10 x86_64 (no GUI). I have two NIC cards in this machine. One is a wireless card that I would like to set a static IP address to. The other is an integrated NIC. Everything works just fine when I have everything set up under DHCP. I can ping both NIC cards with no issues. But as soon as I change over to a static setting, things work unexpectedly...
Things to keep in mind:
-All machines are running under the same subnet
-All machines are connected to a wireless router (freshly flashed with the latest firmware)
-This is a fresh install of Ubuntu Server 9.10 x86_64
--Static IP address on the WIRED (eth0) NIC works great. No issues. Can ping from my wireless laptop, and can ping from the machine to the outside world (ping google.com) as well as the gateway itself with excellent response times.
If I then turn on the WIRESLESS (wlan0) NIC after setting up a static address for it in /etc/network/interfaces, then turning the wlan0 on by issuing "sudo ifconfig wlan0 up", wlan0 shows up, but does not have an IP address associated with it, even though I set it up as static. I also cannot ping wlan0 from my laptop. I assumed that was because I needed to restart the networking service. So after issuing "sudo /etc/init.d/networking restart", I am able to ping wlan0 from my laptop with no issues.
Here is where things get strange. Lets say that I physically pull the plug on eth0. After dong this, wlan0 stops responding to the ping request that was initiated by my laptop at the same exact time. If I plug the cable back in, both eth0 and wlan0 begin to respond once again. But soon after I try to SSH to wlan0, wlan0 decides that it no longer wants to respond to the ping. I should note that it does ask me for a username and a password, but after I entered my password, the ping stops responding. Why should the wlan0 be affected in any way if something happens to eth0?
This all started when I set the server up with only a static configuration on wlan0. It appeared to be working well. I was able to ping the machine from my laptop as well as SSH into the machine. I went to bed and the next morning, I was no longer able to ping the machine. I let the ping run for a small amount of time with a few responses here and there. Then after a little more time of letting ping run, it tends to respond. Almost like I bothered it enough to decide that it was appropriate to start working again.
Ideally, I would like to have ONLY a wireless connection. But if I need to have eth0 up, it would be great to have option work as well. Bottom line is that my wireless is flukey. And I would like to find out why.
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Feb 4, 2016
I purchased 2 CSR V4.0 dongles which work fine, one in Deb8 and one in a Win7 laptop. The only problem is they both have the same mac address so my Samsung Tabs get confused. I have thoroughly researched how to change these but most of the suggestions want a dev reference such as wlano or eth0 which USB dongles do not have a dev id.
The only alternative is to use bdaddr which comes with the bluez package but it must be compiled with the --enable-tools option.
When I try to compile I get the error "error:D-Bus library is required". When I check the config.log it suggests:
"Package dbus-1 was not found in the pkg-config search path. Perhaps you should add the directory containing `dbus-1.pc' to the PKG_CONFIG_PATH environment variable".
Dbus is installed on my system but I could not find dbus-1.pc. The only reference was the directory "/usr/share/dbus-1" so I added it to my $PATH variable. This did work.
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Dec 16, 2010
I recently installed Linux "Fedora" and when I click "ifconfig" I see can see the network card "eth1" I want to change it to "wlan0", I realized that this is a common enough problem at Fedora, and I read about it a bit on Google but unfortunately I did not understand how to change it correctly. give me the order strictly Consul that allows Linux to change the name of my network card
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May 20, 2009
When I try to bring up my wi-fi PCI card (ifup wlan0 or ifconfig wlan0 up) my whole PC just hangs until I power it off.
I believe I have the right drivers, but cannot see what I am doing wrong.
I'd really prefer not to go down the ndiswrapper route.
Firstly, I can see the PCI card and the driver it is using :
Code:
[J@gx260-f10 ~]$ lspci -k
...
...
01:08.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8185 IEEE 802.11a/b/g Wireless LAN Controller (rev 20)
[Code]....
the PC just hangs for ever. No mouse movement, ctrl-alt-del, nothing.
I have downloaded a Linux driver from Realtek but it will not compile. I have the latest kernel-devel, headers, and gcc. I can post compiler errors if anybody would like. They're all apparently to do with missing parameters.
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Jun 6, 2010
Also having this problem on Ubuntu 10.04.If I do "iwlist scan" I can pick up networks on wlan0:
Code:
lo Interface doesn't support scanning.
eth0 Interface doesn't support scanning.
[code]....
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Apr 12, 2010
I've just reinstalled 904 UNR and I cannot find aircrack or maccahnger in the repo?
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Jan 5, 2011
I want to change MAC address on boot on a stock Dell laptop running Ubuntu 10.10.
I have adapted the /etc/init/macchanger script found towards the end of [url]:
Code:
The MAC address does not change nor is there anything matching lines in /var/log/messages (i.e. no output from `sudo grep 'wlan0 pre' /var/log/*`).
If I run sudo /usr/bin/macchanger -A wlan0 the MAC address is changed (provided wireless networking is disabled).
How to I automate the same thing on boot?
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Jan 31, 2011
I'm testing some settings on my network, so I'm using "macchanger" so I can change my MAC Address (Wlan0), it has always been working fine, but now, the mac changes, but after some time (say 20 mins) it suddenly changes again to the original one. This is happening in Ubuntu 10.10 because in 10.04 never happened before.
I'm using:
sudo ifconfig wlan0 down
then: macchanger -m xxxx (some mac) wlan0
and finally: sudo ifconfig wlan0 up
I get the message that everything was ok and if I type ifconfig I can see the MAC I put on wlan0, but, like I say, after some short time and without me doing something, the MAC goes back to the original one.
The issue is happening in UBUNTU 10.10
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Mar 20, 2010
After upgrading to squeeze my wlan0 can't be started on command:
I get these errors in syslog:
End this error goes on.
hardware device is:
As i understand driver doesn't work. I have installed it automatically through package b43-fwcutter and it worked fine before upgrade. Now removing b43-fwcutter didn't remove the driver itself.
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Mar 30, 2010
I had one of those random system deaths, so reinstalled squeeze (daily netinst image I think...) on my eee 1000, which uses an rt2860 wireless chip. The new install only installed 2.6.32, which I had been avoiding using because of a few problems, including it dealing with networking slightly differently. I couldn't get it to work - even without encryption - using wicd. Having had a read of [URL]... , I had a look at /etc/network/interfaces, which read; This file describes the network interfaces available on your system and how to activate them. For more information, see interfaces(5).
[code]...
ra0 is now called wlan0, as far as I'm aware. I've read in several places that it is best to expunge this file of all references to wifi, so I removed the bottom section (after '# The primary network interface'). I still got nothing. However, if I go ahead and change the 'ra0's to 'wlan0's, it seems to work - wicd connects. Not very familiar with Debian (spent more time on SUSE. Drop your tomatoes - I like it. Any idea what is happening? Is what I'm doing wrong? Conversely, is the file wrong? Should it be reported? Against which package? Including any particular files?
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May 13, 2010
From yesterday on, I am not able to connect my Laptop to my WiFi Router automatically when logging in to gnome desktop.
The following is the message found in /var/log/messages.
Its Lenny 5.0.4 and I can see my wifi LED ON till the gdm login page. After the login, while loading my desktop, the LED goes OFF and I have to restart the network-manager for enabling the wifi again. Why is this happening? Do I have to change the configuration settings in /etc/dbus-1/system.d/ to fix this. I really don't know what change needs to be done there and where.
The same day when this problem started while logging in I got an error message from nautilus. The screen-shot is attached with this mail. Does this error have anything to do with the network issue?
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Aug 3, 2011
I've recently installed Debian. But the wireless network is not working. In Gnome it says "Device not configured" And if i try a ifup it says: root@accroft-msi:/home/accroft# ifup wlan0Internet Systems Consortium DHCP Client 4.1.1-P1Copyright 2004-2010 Internet Systems Consortium.All rights reserved.
Listening on LPF/wlan0/My mac address here
Sending on LPF/wlan0/My mac address here
Sending on Socket/fallback
[code]....
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Jul 7, 2010
I'm having problems getting my wireless network working. The same problem exists in both Debian 5.04 and Ubuntu 8.04. I'm using a Sonet ZEW2500P USB wireless card, which shows up when I look at lsusb. The card works under Windows, so its not a hardware problem.
When I run iwconfig, wlan0 simply doesn't show up on the list. It doesn't go by any other name either. I've tried adding iface wlan0 inet dhcp auto wlan0 to my /etc/network/interfaces file, but to no effect. I've tried using both the rt2000usb driver and the old rt2570 driver, and made sure both are not loaded at the same time using lsmod, but this doesn't help.
I wanted to try the CONFIG_NET_RADIO enable/rebuild kernel technique, but I can't find CONFIG_NET_RADIO anywhere in my autoconf.h file!
I assume someone will want to see a log file of some kind - just let me know which one (and where I can find it).
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Jan 18, 2016
I am very new to linux.I have a network camera which only has an Ethernet port but no WiFi. Sadly no Ethernet port is available close to the camera.
Therefore I now bought a raspberry pi and installed raspbian to create a bridge into the wireless network, for connecting the camera to the internet.I now played around with the interface- and bridge configuration but I have problems with it.This is how my interfaces file looks like:
(The WiFi is secured with WPA2 Enterprise)
Code: Select all# interfaces(5) file used by ifup(8) and ifdown(8)
# Please note that this file is written to be used with dhcpcd
# For static IP, consult /etc/dhcpcd.conf and 'man dhcpcd.conf'
# Include files from /etc/network/interfaces.d:
source-directory /etc/network/interfaces.d
[code]....
The WiFi is connection works fine and I am in the internet using the WiFi.But I am wondering about eth0. The network parameters I specified are not the same as the parameters ifconfig tells me.Ip, Broadcast, Mask, nothing is as specified.It would be nice to give the camera a static IP that I can access it always with the same IP from the RaspberryPi.The Raspberry Pi itself gets always a new IP from the WiFi network. How do I get the camera into the internet using the existing connection of the Pi?
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Oct 1, 2010
I've installed firmware-iwlwifi I've modprobe -r'd and modprobed the iwlagn module I CAN scan, using iwlist wlan0 scanning, and I can see my essid, hovering in the distance. it is definitely broadcasting.
I use wicd and wicd-curses. No wireless show up in wicd-curses. ifup wlan0 gives me no dhcp offers received and slumbers again. from iwconfig:
wlan0 IEEE 802.11abgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
from lspci:
03:00.0 Network controller: Intel Corporation WiFi Link 5100
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Apr 17, 2015
Installed Debian 7.8 KDE next to Windows 8.1.
Installed perfect perfect (except for network part). Grub came up, I selected Linux. After start up I typed
Code: Select allstartx
And I get the
Code: Select allFatal server error: no screens found
Also when I run
Code: Select allsudo iwconfig all I get is
Code: Select alllo    no wireless extensions
eth0Â Â Â Â Â Â no wireless extensions
Running lspci I get (vga for startx problem and network for WiFi problem)
Code: Select allVGA compatible controller: Intel Corporation ValleyView SSA-CUnit (rev 0e)
Code: Select allNetwork controller: Atheros Comm. AR9485 Wireless network adapter (rev 01)
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Mar 20, 2016
My Lenovo laptop has an Intel Pro 4965 Wifi adapter,here is the "lspci" detection:
03:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection (rev 61)
So installed the needed "firmware-iwlwifi" kernel module, which is a correct kernel module for this adapter.
Then "modprobe -a iwlwifi"........no complaints !
However,
#iwconfig wlan0
wlan0 No such device
and
# lsmod |grep iwlwifi
iwlwifi 87219 0
cfg80211 350041 4 iwl4965,iwlwifi,iwlegacy,mac80211
The wired ethernet is working fine
ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:1e:37:82:ac:72
inet addr:192.168.1.16 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::21e:37ff:fe82:ac72/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
[Code] ....
when I go to "Preferences" "Network Connection" ' "Add" "WI-FI" "Create" "Device MAC Address " box is empty.......no Wi-Fi adapter detected !!!
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Jan 5, 2010
I'm using crunchbang (jaunty) on an old desktop at home that I intend to use as an ssh server. I have everything set up and ready to go, I can ssh just fine if I'm on the same network (on my laptop) as the server, but when I tried remote access, I realized that I had the general IP (192.168.1.100) and that I needed to change the IP address to ssh remotely.I have tried to manually change the /etc/network/interfaces file but have only gotten confused.The question is what do I change and where in order to get a unique IP address for my ssh server to ensure a successful remote connection?
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Jul 27, 2011
I use GNU MAC Changer. It changes my local network connection mac adress properly. But it does not changes my wireles mac adres. I try it with sudo ofcourse the error which i get is : "ERROR: Can't change MAC: interface up or not permission: Too many open files in system". I disable the wireles connection and then try to change the mac but i get the same error. I try these commands :
# ifconfig eth0 down
# ifconfig eth0 hw ether 00:80:48:BA:d1:30
# ifconfig eth0 up
[code]....
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Aug 13, 2011
HOW DO I CHANGE MY IP ADDRESS ? I read the how tos and did something in the terminal..but I am not sure..I am stupid and I dont know what I am doing.
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Feb 17, 2009
Some people may need to change the mac address of their ethernet network cards. This can be easily done with fedora with command line. Just follow the steps below:
1. Log as root on a textual console (ctrl+F2) or through "su -" command in your console
2. Print your network configuration with ifconfig
[root@localhost ~]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:23:8B:6A:7E:9E
inet addr:10.1.128.244 Bcast:10.1.255.255 Mask:255.255.0.0
inet6 addr: fe80::218:8bff:fedb:7e9e/64 Scope:Link
[code].....
Here, eth0 is the ethernet interface of your system. The mac address is put in red.
3. Change your mac address using the following syntax
ifconfig eth0 hw ether 00:18:8BA:7E:90
The new value (in green) must be hexadecimal
4. if you have a dhcp server that distributes the adresses automatically, then request a new adress for your eth0 interface
[root@localhost ~]# dhclient eth0
5. Now, your interface is up and have a new mac and IP addresses. This feature may be useful if the network administrator ban you according to the mac adress, for example .........
[URL]
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Oct 15, 2009
I'm using fedora 11-KDE version but I'm not change my dns adress.Can you write here it step step =) Only I want use opendns fedora 11-kde =)
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Nov 22, 2009
I have a dual-boot laptop where both are configured as clients for bacula (backup software). Since it is a laptop and it gets used outside the network where the backup is done, I can't just assign a static IP and be done; it really needs to accept an address via DHCP.
Changing the MAC address is easy:
Code:
But if you do this manually, then you'll need to restart your connection. I don't want to do that, I want the laptop to just come up with the correct address in the first place because one day I will forget to change it and the backup system will be very confused (and I will be very sad when I find myself needing that backup).
The solution is to run an init script prior to starting the network. Below is the script I am using, with someone marginal comments. It is based on the network script in /etc/rc.d/init.d, heavily edited. You will need to add one parameter to your ifcfg-ethX configuration file to set the desired MAC address. That parameter MACADDR does not seem to be used by any of the init scripts. You will find it in some of the scripts in network-scripts, but it is not used as an input parameter, but rather set by querying the NIC, thus this use does not conflict.
Here's the script:
Code:
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Mar 26, 2011
I've just reinstalled F14 with KDE rather than Gnome and I'm finding that I'm unable to assign a static IP address to my wired connection.
KDE automatically connects via DHCP, but when I go into KDE's network manager, the eth0 connection isn't listed. In fact, no wired connection is listed. If I manually add one with the correct settings (including a static IP), it switches back to DHCP upon rebooting.
How can I get around this? Should I install the networkmanager-gnome package?
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Aug 11, 2010
I have setup a machine with Ubuntu 10.04 server and i have installed a KNC card for Streaming the channels. Everything is good so far and here is the real deal .. i wanna change the MAC address of the KNC card to try different things. I know how to change the MAC address of the LAN card but not sure about the KNC card. I tried few things by installing macchanger.. but didn't work out. Can any one tell me whether its possible to change the MAC of the KNC card and other tricks.Here is a little info:-
[ 11.344208] saa7146: register extension 'budget_av'.
[ 11.344704] budget_av 0000:04:01.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22
[ 11.344739] IRQ 22/: IRQF_DISABLED is not guaranteed on shared IRQs
[code]...
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