ifconfig (short for interface configuration) is a system administration utility
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0answers
13 views
Prevent processes from changing ifconfig settings for wired ethernet interface?
For speed, I often connect two computers directly through an ethernet cable, using the following recipe:
ubuntu@box1# ifconfig eth0 1.1.1.1 netmask 255.255.255.0 up
ubuntu@box2# ifconfig eth0 1.1.1.2 ...
0
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0answers
13 views
Automatic ifup Virtual Netowrk Interface Assigned to a Network Namespace
I've set up a configuration that uses the solution mentioned in this post: link
and I'm able to ping my physical local network from my vpn namespace and vice-versa.
For reference my config looks ...
0
votes
1answer
70 views
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 ...
0
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0answers
150 views
Alfa AWUSO36H usb adapter driver detected, internet signal but will not make connection
I've been reading threads for 2 weeks on this subject with no luck. I'm using a Dell Inspiron laptop with a Broadcom BCM4312,802.11b/g LP-PHY internal wireless card.
I just purchased an Alfa AWUSO36H ...
1
vote
2answers
53 views
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 ...
0
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0answers
23 views
Slaves in 802.3ad bonding has same hardware address
Is that common for all the slaves in a bonding to have the same hardware address? The example shows in Ubuntu Documentation is having different hardware address, but my bonded device show the same ...
1
vote
1answer
225 views
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) ...
1
vote
1answer
35 views
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: ...
0
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1answer
41 views
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.
I am using Ubuntu 12.04 LTS.
0
votes
1answer
59 views
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 ...
1
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0answers
40 views
Necessary to add dns-nameservers and such in interfaces for IPv4 and IPv6?
Simple question, but haven't found an answer anywhere, so turning here:
When setting up /etc/network/interfaces do I have to set up the dns-nameservers line both for the inet and the inet6 parts of ...
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1answer
86 views
Please help! 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 ...
0
votes
1answer
52 views
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 ...
0
votes
1answer
313 views
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 ...
1
vote
2answers
251 views
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 ...
2
votes
1answer
155 views
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 ...
3
votes
1answer
221 views
How can I display eth0's IP address at the login screen on Precise Server?
The server I administrate, inconveniently enough, has a dynamic IP address assigned by DHCP. The convenient counterbalance, though, is that it happens to be set up about two feet from where I sit. I ...
5
votes
3answers
2k views
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 ...
2
votes
1answer
2k views
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 ...
0
votes
0answers
344 views
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 ...
4
votes
3answers
343 views
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 ...
1
vote
2answers
69 views
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 ...
1
vote
2answers
1k views
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 ...
1
vote
1answer
106 views
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 ...
1
vote
1answer
858 views
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 ...
3
votes
5answers
12k views
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 ...
0
votes
1answer
2k views
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 ...
1
vote
1answer
983 views
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 ...
3
votes
4answers
6k views
ifconfig : Command 'ifconfig' is available in '/sbin/ifconfig'
My question is related to another open question. My echo $PATH gives me an output which is like
...
1
vote
1answer
154 views
Ifconfig bandwidth tracking
I've been using ubuntu servers for a long time, but something i've never quite understood was the ifconfig command and total bandwidth.
I've found that on every server i've used, and some desktop ...
1
vote
2answers
889 views
How to restore ethernet connection?
I've had some issues with installing Lazarus in 10.04. After I finally installed it with aptitude, while running it prompted whole bunch of errors. Finally my PC was suspended and I had to reset it. ...
1
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0answers
555 views
OpenVPN bridge client on Ubuntu 11.10 doesn't work [closed]
I'm trying to set up my desktop running Ubuntu 11.10 to connect to my OpenVPN server in bridge mode. I have my client configuration file set up like so:
remote [omitted] 1194
client
dev tap0
proto ...
2
votes
1answer
183 views
Likewise 6.1 breaks network on Ubuntu 10.04.3
I'm trying to use PowerBroker LikeWise 6.1 on Ubuntu LTS 10.04.3 to join to my AD domain. I've done this in the past before LikeWise was owned by PowerBroker & I can get it to work "pretty well". ...
1
vote
0answers
141 views
I'm having trouble connecting to a wireless network, and the hardware switch is on, [closed]
So, just recently my computer has not been connecting to the internet. It had been working before but it just went off one day in the middle of use.
I've gone into the network setting and made sure ...
0
votes
4answers
623 views
How do the ifconfig settings work?
I have
$ ifconfig
eth0 Link encap:Ethernet HWaddr 00:1f:d0:99:ea:a9
inet addr:192.168.1.130 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: ...
2
votes
3answers
2k views
ethernet disconnected, shows up in ifconfig
I am running 11.04, no remix. After installation, I could use wireless networks, but not ethernet. When I click on the connections menu item, it says
Wired Network
disconnected
How do I fix this?
...
1
vote
1answer
1k views
How to keep network interface up, during cable disconnects
I have two ubuntu PCs whose network cards connected directly to each other with cross-over cable. I have assigned ip addresses manually to their interfaces using command similar to
ifconfig eth0 ...
0
votes
3answers
1k views
Command line ifconfig problems - Not detecting all NICs
I am in the command line of Ubuntu server edition 10.04 and I have 3 Nic cards installed. When I type ifconfig it only detects one: Eth0. I tried doing sudo apt-get update, this did not work. Any ...
1
vote
1answer
2k views
How do I make the script to run automatically when tun0 interface up/down events?
I use juniper VPN client to connect to my corporate servers. It creates tun0 interface after starting the client. I've written script which install specific routes point to tun0 interface and rest to ...
2
votes
2answers
2k views
How to configure my VirtualBox's Ubuntu IP?
I can't ping my Ubuntu on VirtualBox (within another Ubuntu).
I had set my ip using:
# ifconfig eth0 192.168.0.2 netmask 255.255.255.0 up
but the ping still fails. What's different when you're in ...
1
vote
3answers
2k views
Connected wireless connection, but no wlan0. What's causing this?
I'm connecting (to the internet) over a wireless connection (as in, it's already connected), but there's no wlan0. Output produced by ifconfig:
eth0 Link encap:Ethernet HWaddr 5c:ff:35:06:9c:b3 ...
2
votes
2answers
4k views
Add static ARP entries when network is brought up
I have some pretty dumb IP devices on a subnet with my Ubuntu server, and the server receives streaming data from each device. I have run into a problem in that when an ARP request is issued to the ...
2
votes
2answers
3k views
eth0 not working on startup
This might sound strange but, working with my Lubuntu 10.04 i've experienced troubles when connecting to my eth0 newtwork. After some googling, i've found out that by writting in the CLI the following ...
3
votes
1answer
3k views
How to define a secondary IP address that is down by default
I can define a secondary IP address on the same network card by adding the lines
auto eth0:1
iface eth0:1 inet static
address 192.168.9.101
...
to /etc/network/interfaces.
This ...
15
votes
3answers
6k views
What is the difference between Network Manager and 'ifconfig' 'ifup', etc?
Ubuntu seems to provide at least two network "toolsets" (for lack of a better term). I'm running into conflicts between these two.
Network Manager
Something which is more like the traditional ...
