Xubuntu 13.04 No network interfaces
location: linuxquestions.com - date: May 1, 2013
I've been running Xubuntu for a while and everything's been working great. Today, I upgraded to 13.04 and now I have no network interfaces. No eth0, nothing. What can I do to get it online?
No network interfaces (neither ethernet, nor wireless) detected
- date: March 3, 2010
I'm pretty new to Ubuntu, so I'm sorry if i cant give you all the information you need in the first place, but I'll do my best.
I got a new Acer Aspire 8935G notebook, installed Ubuntu 9.10 on it and everything is fine, except the fact, that it wont detect any network interfaces (or how to call it ??)
So there are no ethernet or wlan connections available in the network-manager..
lspci gives me following lines:
~ $ lspci
00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07)
00:01.0 PCI bridge: Intel Corporation Mobile 4 Series Chipset PCI Express Graphics Port (rev 07)
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 03)
00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 03)
00:1a.7 USB Controller: Intel Corpora
Minimal install mini.iso No Network Interfaces Detected
location: ubuntuforums.com - date: May 10, 2010
Trying a minimal install with the mini.iso. I don't have a wired internet connection, only wireless from my iPhone which works fine with my full install of Ubuntu. The installer is not able to find my wireless connection stating "No Network Interfaces Detected". I did try to install yesterday in town with a friends wired internet connection and I got the same result. I'm able to get to the command line in the installer but have no idea how to start my wireless connection so the install can continue. I have searched here, and elsewhere on the net to the point of giving up. Any ideas/help would be great.
No eth0 defined in /etc/network/interfaces
location: ubuntuforums.com - date: October 6, 2011
Hi, this is something that bugs me as I am trying to learn linux networking. I read in the manual that most ethernet configuration is located in /etc/network/interfaces. This is my interfaces file:
iface lo inet loopback
As you can see no eth connection is defined, even though everything works perfect. Here's my ifconfig eth0 output:
eth0 Link encap:Ethernet HWaddr 00:19:db:c8:ae:03
inet addr:10.0.0.2 Bcast:10.0.0.255 Mask:255.255.255.0
inet6 addr: fe80::219:dbff:fec8:ae03/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Network error: No route to host Putty
location: linuxquestions.com - date: October 19, 2005
I'm having a problem problem when I try to connect to my University server.
I use putty to connect to the server... BTW..I do have an account in that server
But I keep getting an error that say..."Network Error: No route to host" I'm using (XP with sp2). I know this forum is for linux question. But I do use linux and even with linux i get the same error. because linux has to forward its packet through XP to connect to the Internet.
I can ping,surf,dig,etc. from linux to xp, and xp to linux. no problem.. I can even ssh to linux from the xp-box using Putty.Its just when I try to connect to the University server I get that error.
I have ZoneAlarm and windows firewall. I have shut them both down, still I keep getting the same error. I have also set IP forwarding to (1)in XP not sure if that even helped... but still nothing!.
Its definitely my pc. because I have tried to connect from an Internet shop, and I was successful.
I appreciate any support
Airmonng error: No matching network found check your bssid
location: ubuntuforums.com - date: July 7, 2013
I'm using Aircrack to experiment with my Cisco test network at home.
SSID = ccna-wireless
Channel = 6
AP MAC = 00:15:C7:FD:60:B0
Target machine MAC = 24:77:03:A0:06:6C
Encryption type = WPA2
Authentication = PSK
Everything seems to work just fine, I first use inSSIDer in Windows to locate the target SSID, MAC address and channel.
I then capture the handshake (this shot was taken afterwards, so you won't see the handshake, but it was there)
The deauthentication works fine as well....
I then try to crack, but get an error.....
Can someone please point me in the right direction of why it isn't working. Do I need to capture more packets? (first screen shot, under data)
I'm also interested in being able to use other password lists.....
Adding mtu in /etc/network/interfaces has no effect
location: ubuntuforums.com - date: October 6, 2009
I have the following line in my /etc/network/interfaces
iface eth0 inet dhcp
But every time it boot up ifconfig always shows mtu = 1500.
I have to change it to 1400 manually by
sudo ifconfig eth0 mtu 1400
Would anyone please tell me why adding mtu 1400 in my /etc/network/interfaces doesn't work?
EDIT: Even though I run
sudo /etc/init.d/networking restart
it has no effect on the mtu.
It shows the following (my wireless is off)
sudo /etc/init.d/networking restart
* Reconfiguring network interfaces... There is already a pid file /var/run/dhclient.eth0.pid with pid 3256
killed old client process, removed PID file
Internet Systems Consortium DHCP Client V3.1.1
Copyright 2004-2008 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
Listening on LPF/eth0/00:03:0d:af:c3:b5
Sending on LPF/eth0/00:03:0d:af:c3:b5
Sending on So
[CentOS] Problem with mrtg. No valid network interfaces detected.
location: linuxquestions.com - date: May 17, 2006
So I'm trying to install MRTG now. Well, make it work.
Mrtg itself installed pretty much fine.
I can run the mrtg program and the cfgmaker config utility.
I've taken the community strintg from /etc/snmp/snmpd.conf
started the snmpd service and ran the usual cfgmaker command to see if it detected the network interface.
Problem is it does not detect any valid network interfaces.
8.04LTS pulls dhcp while /etc/network/interfaces is defined w/ static
location: ubuntuforums.com - date: February 19, 2009
I have a new 8.04 LTS server running postfix. I have a static IP address defined in /etc/network/interfaces. However at approximatley 4:20 every day it pulls a DHCP address. I found the following in syslog.
Feb 19 16:19:32 WSCMR01 dhclient: DHCPREQUEST of <null address> on eth0 to 255.255.255.255 port 67
Feb 19 16:19:42 WSCMR01 dhclient: DHCPREQUEST of <null address> on eth0 to 255.255.255.255 port 67
Feb 19 16:19:50 WSCMR01 dhclient: DHCPREQUEST of <null address> on eth0 to 255.255.255.255 port 67
Feb 19 16:19:57 WSCMR01 dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 5
Feb 19 16:19:57 WSCMR01 dhclient: DHCPOFFER of 172.23.42.57 from 220.127.116.11
Feb 19 16:19:57 WSCMR01 dhclient: DHCPREQUEST of 172.23.42.57 on eth0 to 255.255.255.255 port 67
Feb 19 16:19:57 WSCMR01 dhclient: DHCPACK of 172.23.42.57 from 18.104.22.168
Feb 19 16:19:58 WSCMR01 dhclient: can't create /var/lib/dhcp3/dhclient.eth0.leases: Permission denied
Feb 19 16:19:58 WSCMR0
No servers were defined in the configuration error during boot after editing gdm.conf
location: linuxquestions.com - date: May 31, 2008
In Ubuntu Hardy (with all updates installed on a VIA EPIA EN12000 fanless mythtv frontend using openchrome drivers installed by Hardy) I accidentally edited gdm.conf instead of gdm.conf-custom when setting up an automatic default timed login.
Now, instead of getting the normal ubuntu login screen, I am getting a high contrast black and white cross-hashed screen, with the following error message in a text dialog box"
"No servers were defined in the configuration file and XDMCP was disabled. This can only be a configuration error..." If I click OK the screen flickers a few times and returns to the same state.
I have tried rebooting into recovery mode, dropping into a shell, and restoring the previously working versions of gdm.conf and gdm.conf-custom, but (distressingly) the fault remained.
I've also tried:
... which ran without any errors, but the fault remained unchanged.
... which ran without err
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