Questions tagged [ifconfig]
ifconfig (short for interface configuration) is a system administration utility
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Get all binded ip addresses
I have configured my network card eth0 to use 3 IPs, such as 192.168.1.10, 10.0.0.10 and 192.168.0.10.
After network restart, ifconfig is showing only one IP ie, 192.168.1.10. But I can ping ...
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Hardcoded static IP assignment for eth1
I'm setting up a NAT, and need to assign a static IP to my eth1 interface. The problem is that once in a while, it resets, and I need to run the following command again:
sudo ifconfig eth1 192.168.47....
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Where are the settings for 'iwconfig' stored?
I'm going to be fiddling around with my wireless card's settings by using iwconfig. Before doing this, I would like to back up my current settings in case anything goes horribly wrong.
Where are the ...
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ifconfig weirdly returns exit code 1
I am executing the following command to find the MAC Address of eth0
ifconfig eth0 | grep -o -E '([[:xdigit:]]{1,2}:){5}[[:xdigit:]]{1,2}'
I have a java wrapper which just calls the script ...
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Bonding interfaces not working
Everytime I put in the following code (below). The problem is that network devices become unmanaged. I set the managed to true. That didn't work. when I do the ifconfig it is missing the "bond0" ip ...
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Missing manpage for `ifconfig`
$ man ifconfig
No manual entry for ifconfig
See 'man 7 undocumented' for help when manual pages are not available.
$ dpkg -l | grep -i manpages
ii manpages 3.54-1ubuntu1 ...
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IP address changes in vmware?
I am using Ubuntu 13.10 in vmware on my Windows PC. So the problem is: when I see my IP using ifconfig command then it shows 198.168.33.180, but when I see my IP on whatismyip.com (on Ubuntu), it ...
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Wireless internet connection problem
I have a problem connecting to the internet using Ubuntu 12.04
I'm trying to connect to my home router/ap using my Lenovo T530 . Every other device works just fine on the WiFi. Also, my T530 works ...
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Cannot acquire DHCP address
I am unable to acquire a wired DHCP ip address.
I have Ubuntu 13.10 installed on a thin mini-itx ECS Q77H2-TI motherboard. I'm connecting to my cable modem which does provide ip addresses to other (...
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The command could not be located because '/sbin' is not included in the PATH environment variable
I have a severe problem today: when I type ifconfig it does not show ip configuration on ubuntu 12.04. Can anyone help me on this?
Here is the result of ifconfig:
Command 'ifconfig' is available in '...
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Only killing eth0 enables internet
I connect to wifi and ifconfig report 3 interfaces (lo, eth0 and wlan0), but I cannot ping anything, including the router.
Only after ifconfig eth0 down I get to actually use the internet.
What is ...
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Can't change my mac address - can't assign requested address
I wonder, why can't I change my mac address by doing this:
sudo ifconfig wlan0 down
sudo ifconfig wlan0 hw ether 03:a0:04:d3:00:11
The error is SIOCSIFHWADDR: Cannot assign requested address I ...
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ubuntu 1310 with two NICs: one with dynamic address and one with static address
I am running Ubuntu 13.10 on a laptop with one physical wired NIC (eth0) and one physical wireless NIC (wlan0. The current config is shown below (I removed lo interface since it is of no relevance)
...
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Unable to connect to Internet after wakeup from hibernate?
It says Networking is Disabled. I have tried checking that box (which stays checked); but that does nothing.
Even tried: sudo ifconfig wlan0 up; which also did nothing. I'm running Ubuntu 13.10 x64.
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2
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Identifying correct connection device when reading ifconfig output
I'm trying to get the mac address of my computer.
I've run ifconfig like the person in this question, and I get information about eth0, eth1 and lo.
The HWaddr of eth0 and eth1 are different, so I ...
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The ifconfig command is not running [closed]
I am using Kali Linux through vmware . I tried to use ifconfig command. but it shows error message command doest exist.
please give me a solution.
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ifconfig up for multiple interfaces
I want to execute "up" command for multiple interfaces and thought that using ifconfig eth{0..3} up would help, it doesn't, how can I achieve this ?
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Wired connection keeps disconnecting
The wired connection to a Netgear DS104 hub keeps disconnecting.
It has never been able to maintain connection on this system. I have never run this hub on unix but it functions without issue on ...
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Impossible to ping when activating second network card
I'm new to Linux, trying to get a Clonezilla server up.
I'm really bad at understanding how my network should be configured.
eth1 is the card for internet access, behind a proxy (192.168.41.5:80)
eth2 ...
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How to reset ifconfig counters?
When i run ifconfig eth0 see following lines:
eth0 Link encap:Ethernet HWaddr 08:00:27:42:81:a7
inet addr:10.0.2.15 Bcast:10.0.2.255 Mask:255.255.255.0
inet6 addr: fe80::...
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Ignoring unknown interface wlan0=wlan0
So here's a weird one. My wireless works fine if I configure it manually, but fails miserably when I try and configure it in /etc/network/interfaces. I think I've tracked it down to ifup not ...
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How can I get unformatted ip address information in the shell?
I'm writing a shell script which needs information on the state of the network connection - the basic stuff like ip address, subnet, netmask and so on.
I could just use ifconfig and sed/grep for the ...
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2 ethernet ports, one on 100mbps, one on 1000mbps problem?
I ran across a strange sight when I ran ifconfig first time today. I have a gigabit server card with 2 ports. I have it set in a bond for 802.3ad usage as my switch supports it. It appears though ...
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Is there a safe way to disable DHCP from command line?
Short version
I know this question is very similar to others and I did really search the Internet for answers, but it seems that no approach is working or the solutions seem to be "to complicated to ...
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Ubuntu Server several network ip config?
I have one ubuntu server
and i want config that with several IP address!
is it possible or no?
if yes how I can do that?
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5
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HP Envy dv6t-7300: Disabled WiFi through button and can't enable it anymore
Well, I have a HP Envy dv6t-7300 laptop that came with a Ralink RT5390 WiFi card. Everything was working perfectly, and eventually I press the WiFi button in my keyboard to toggle the card on/off. ...
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NetworkManager problem with 'cloned MAC address'
My problem is that at univ. each desktop computer is given a 'fake'/'cloned' MAC address which is recognised by our network and let us in without further authentication/VPN and the likes (don't ask ...
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Inconsistent internet connection device (eth0 eth1 eth2)
I'm running Ubuntu 12.04, and to my knowledge there is only 1 networking card on my machine (Dell laptop) --- I can't imagine why there would be more than 1.
Sometimes my internet connection runs ...
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What is the difference between "ifconfig interface down" and "rfkill block"?
I know rfkill block all will disable everything. But what about ifconfig interfaceX down? When I use it, it just drops the connection. And when I type ifconfig interfaceX up it reconnects to my old ...
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static ip address from XFCE GUI
I'm interested in the IOGear Universal Wi-Fi N Adapter as a wifi adapter. The fine manual states:
Installation without WPS - Mac
Step 1: Turn off your computer’s wireless connection (if applicable) ...
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Where are my wireless error logs?
When I type ifconfig it shows:
eth1 Link encap:Ethernet HWaddr e4:d5:3d:70:81:b3
inet addr:192.168.0.6 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::e6d5:3dff:fe70:...
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how to find network active time?
How to know uptime ,downtime with timestamps of all connections of ifconfig. For my case they are three eth0,wlan0 and ppp0.
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Ubuntu-server first start
How do you change network settings?
ifconfig gives ip 192.168.122.1
(I ping it and the Ethernet card works)
I use sudo vi /etc/network/interfeces then after editing
auto eth0
ifaces eth0 inet ...
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Configuring a network interface and changing mac adress permanently
I need to configure a network interface permanently eth1 and to change the MAC address with the specified format : AA:BB:CC:DD:x:y, before the interface is up.
A=1;B=2;C=2;D=2;x=6;y=8.
I wrote in /...
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1
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Question for class
I have a question for class that I cannot figure out, I was hoping the helpful folks at Ask Ubuntu could help. The question is basically this: Your Linux system appears to have a DHCP problem. You ...
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Changing internal home network ip address for connected devices
I have a few computers at home. For each of the computers, I can see the internal home network ip address on any given device by typing in ifconfig in the terminal.
If the device is connected to ...
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What does interrupt in eth0 mean?
I wonder if "Interrupt" affects internet connection.
eth0 Link encap:Ethernet HWaddr 60:eb:69:6c:55:83
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 ...
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How to rename an Ethernet interface?
As my built-in NIC was not supported by Ubuntu out-of-the-box I was forced to use a USB NIC for temporary installation-time Internet connection.
And the USB NIC has taken the eth0 name making the ...
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How can I display my machine's IP address on a TTY login screen?
The server I administrate has a dynamic IP address assigned by DHCP, which is inconvenient. When I want to SSH into it, I have to first log in by hand and use ifconfig to find its current IP address. ...
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What is the active MAC Address of my computer?
While looking to find the MAC Address of my computer as it appears to a wireless network, it was recommended that I run ifconfig.
Having executed that command in the Terminal, I noticed that, unlike ...
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Connecting to internet after clean install of ubuntu server 12.04
I've installed ubuntu server on my computer. I would like to connect to the internet to download more software. I've done:
ifconfig eth0 up
so when I print
ifconfig
I can see the eth0 listed, but ...
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How to change wlan0's channel
When setting the channel to wlan0, I get an error:
SET failed on device wlan0 ; Device or resource busy.
I tried to shutdown wlan0 by:
sudo ifconfig wlan0 down
and wlan0 did not appear in the ...
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How to allow a "standard user" (no sudo) make IP config changes without requiring admin password
Anyone know if it is possible to have a "Standard User" account make IP changes (via GUI or terminal) without requiring the admin (sudo) password?
I want the user to be able to change interface from ...
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Finding all other workstations on the network
at my home I have both workstations directly use Ethernet cables to connect to router, and also a few laptops/mobile devices that connect to wifi. Is there a command in linux to see list of all ...
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Identify Wireless MAC Address
I have a desktop for which I am using an Asus N-10 USB Wireless Adapter. No driver software is needed I guess since I can see the available wifi networks. However, I am unable to connect as the "MAC ...
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How can I make sure my server is connecting through my router?
I have a Ubuntu server with PHP, Apache2 and all of that setup and working on my LAN. Meaning from any computer connected to the same router I can connect to 10.0.0.3 (My server). I have setup my ...
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Why do i have to be root to run the command ifconfig?
I've recently switched from Ubuntu 10.04 LTS to 12.04 LTS, and one of the changes i have noticed is that when i try to run the command ifconfig (for example to view my own ip), i get the following ...
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Ethernet connectivity problems after upgrading to Ubuntu 12.04LTS
I tried upgrading once more to 12.04 after it went live. I had tried both Beta 1 and Beta 2. The problem is that now I'm getting sporadic network connectivity. My computer is hooked up straight to ...
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Is it possible to use Ifconfig to switch an interface to DHCP and if not, what is the best way?
I have just set up a new Ubuntu server and I am going to be doing a lot of networking tests.
During setup, I simply skipped the network step.
I now need to switch between DHCP and an address quite ...
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device shows up in lsusb + adb but not in ifconfig
I'm running Ubuntu in the VMWare Player under Windows 7:
root@ubuntu:/# uname -a
Linux ubuntu 3.0.0-17-generic #30-Ubuntu SMP Thu Mar 8 17:34:21 UTC 2012 i686 \
i686 i386 GNU/Linux
I'm trying to ...
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