Debian Configuration :: Unable To Access System>Pereferences>Network Connections?
Mar 15, 2011
I just installed Debian and am getting a problem where I can't open the list of network connections. I can use the network manager applet to connect to wireless networks, but I cannot access the network connections list from there either (right click "edit connections)
I'm not incredibly knowledgeable with Linux, but I tried a few simple things I could think of like reinstalling the packages, or restarting the interfaces. (ifdown/up wlan0)
It's strange, because when I click "network connections," I see it show up for a second on the bottom panel, I get some rotating mouse icon while I wait a few seconds and then if goes away. Is there some kind of logfile that could help me identify the problem?
Using Debian 6 on eeePC1000HEB with Ath9k (i think) wireless card. Net Interface: wlan0
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Mar 28, 2011
I upgraded a Guruplug Display machine running Lenny to Squeeze. It's running Linux on a MicroSD device, running an ARM-cpu.
# uname -a
Linux gplugD 2.6.29 #1 Wed Feb 16 17:59:04 IST 2011 armv5tejl GNU/Linux
yeri@gplugD ~ $ cat /etc/debian_version
6.0.1
However, after rebooting, every non root user was unable to access anything related to the net.This means, DHCP failed to auto start, ntp is giving errors, etc
# ntpq -p
localhost: timed out, nothing received
***Request timed out
daemon.log:
Mar 27 06:07:44 localhost ntpd[1478]: ./../lib/isc/unix/ifiter_ioctl.c:348: unexpected error:
Mar 27 06:07:44 localhost ntpd[1478]: making interface scan socket: Permission denied
Mar 27 06:07:44 localhost ntpd[1478]: Too many errors. Shutting up.
As root:
gplugD ~ # ping 85.12.6.171 -c 1
PING 85.12.6.171 (85.12.6.171) 56(84) bytes of data.
64 bytes from 85.12.6.171: icmp_req=1 ttl=58 time=42.1 ms
[code]....
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Jul 31, 2011
I am using Squessze and Gnome. When I try to use the gui System>Administration>Network or Users and Groups I get the error The configuration could not be loaded. You are not allowed to access the system configuration.Everything was working before. I read around a bit. In some cases,it was caused by mismatching group and password files after using the gui. I do not know how to check if they are matching. Of course I do not know for sure that is the problem in my case.
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Apr 5, 2011
I've installed Debian on a Sun Ultra 450 Enterprise system using the net install version, so I know that my network is working correctly. However, now that Debian is installed and I bring up Gnome, I have no network access. I've set eth0 to DHCP, and have pointed it to my DNS server, but it never gets any information from the DNS server.
I've looked through /etc/network/interfaces, which looks like this:
# This file describes the network interfaces available on your system and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface allow-hotplug eth0
#NetworkManager#iface eth0 inet dhcp
/etc/resolv.conf contains:
nameserver 192.168.0.1
which is correct.
I've run
/etc/init.d/networking stop
/etc/init.d/networking start
So far, nothing works. Why would the Debian network install disk work, but not be smart enough to set my network correctly from the start once I'm actually running Linux? Also, how do I get the network running in Gnome?
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Dec 17, 2010
Ive been trying to setup bonding on my debian lenny box for about a week now with still no luck.i thinks its ver 2.6.26 or summing like that.The nics are bonded and it has all the network details but for some reason I cannot ping anything on the network and I cannot ping the lenny box.
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Feb 1, 2010
I recently installed two PC with debian lenny (kernel 2.6.26). One is called serveur-debian1 and the second one serveur-debian2. I have installed gnome,samba, mysql5, apache2, php5, and Virtualbox,bridge-tools on them. On serveur-debian2, i installed an other virtual debian lenny with apache2,mysql5,php5,nagios and centreon on it to view my network. I remember having installed a soft to access nntp on serveur-debian2 in order to test nagios.
Since a few days, i have problem to access to my servers. rom my windows 7 client, i try to ping serveur-debian1. Response is OK but not for all resquets Always from the same computer, i try to ping serveur-debian2. Response is OK but not for all again.
When i launch a ping on serveur-debian1 and serveur debian2 at the same time i have:
ping 1 to 10: serveur-debian1: response OK
serveur-debian2: no response
ping 11to 14: serveur-debian1: no response
serveur-debian2: response OK
ping 15 to 25: serveur-debian1: respone OK
serveur-debian2: @ip serveur-debian1 network unreachable (there's no error, it shows me the ip of serveur-debian1)
If i switch on the debian virtual server on the serveur-debian2, and i ping it at the same time, the response is OK for all resquests. The problem is very strange. I can't have a correct connection and when i launch a request from a software which access the mysql server, the requests failed ...
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Dec 16, 2015
When in Thundar (on XFCE - Debian 8.2) and I click the "Network" icon in the left sidebar the following message is displayed.
Failed to open "/ on". Specified location is not supported.
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Feb 1, 2010
I've been using wicd (1.6.2.1 was the latest version on my desktop computer, maybe it got updated) without any problems for a long time. This morning after switching the thing on to read the morning news with a nice hot cup of coffee I got a number of funny Gui system messages: Wicd needs to access your computer's network cards. Password
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Aug 21, 2010
I have installed apache php and mysql on my pc during debian installation... some of my friends complain they cannot access my webserver from their home and it's available only within my local network... Please help regarding this...
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Apr 17, 2016
Recently upgraded my PC and my WiFi Hotspot connection is refusing to connect. Running a dmesg returns this
Code: Select all[66529.184299] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[66530.762594] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
And the IPv6 configuration in the Hotspot is Ignore
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Jul 4, 2011
i'm currently using ubuntu 10.04 and wanted to update to 11.04 and that means backing up all sorts of data and configuration.Regarding the wireless configuration list, i have a few with password and auto connect, i wanted to know if there is a way of saving that listconfiguration other then manually.
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Aug 7, 2011
Lately I upraded my Debian using aptitude update/aptitude upgrade - including installing a new kernel (3.0). Since this upgrade I have strange problem with networking. When I suspend my computer and resume it, I do not have connectivity with network:
$ ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
From 192.168.1.1 icmp_seq=1 Destination Host Unreachable
[code]....
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Oct 29, 2010
I'm having trouble running 2 network connections on an Ubuntu 10.10 machine. My wireless connection provides my internet access and is assigned the ip 192.168.1.7 My ethernet connection provides access to a separate network containing a nas box/server. The ip address for this is 192.168.5.100 When I am only connected to the wireless network, the internet works fine. However, once I connect to the ethernet network, I lose internet access via browsers and email client I cannot ping external web servers. It doesn't appear to be an ip address conflict so I'm at a loss as to what is causing my internet connection to drop.
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Nov 4, 2015
I got this message when I tried to get in WifiSettings.
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What should I do?
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Jul 14, 2010
I have ssh installed and running on my laptop(Debian Sequeeze). I can run "ssh localhost" without any problem. But for some reason I cannot connect to it from other computers. They all give "connection timed out". I can connect to these computers`s ssh servers but for some reason my laptop with Debian is not accepting any connections.
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Sep 29, 2010
I'm trying to setup VNC on our debian server so the boss can remotely do admin stuff from anywhere in the world. the first step is getting it working from anywhere in the room, though. And I can't even seem to get that far.
So far I have a VNC server setup, although not without problems. I downloaded and installed vnc from the vnc site, that wouldn't work because trying to start a vnc server gave this error: "error while loading shared libraries: libstdc++-libc6.2-2.so.3: cannot open shared object file: No such file or directory"
There are lots of results on google for this error, and the solution everywhere seems to be the same. to install the package: libstdc++2.10-glibc2.2
However, trying to install this package in debian fails. both using apt-get and trying to manually download it from packages.debian.org it just doesn't seem to exist.
I've tried tightvnc from the official repositories and it gives the same error, too.
The way I got around that eventually, thanks to another tutorial, was to install the package vnc4server. then run vnc4passwd to create a password. and after that vncserver works fine, or seems to. Creates display 1.
Now, when I'm trying to connect to hostname:1 from another computer in the LAN. It gives error 10061, connection refused. I installed the debian and I don't recall setting it up to refuse connections on port 1. Is there anything I should check or change to allow the connection, or any log file in debian to check and see what's going wrong?
I'm also trying connecting internally via client on the debian machine, but I can't runvncviewer. I get the same missing shared library error as before. I guess I just worked around, not solved it.
I also can't access it with the java viewer. Trying to connect on port 5801 either from the server itself, or from another one on the lan, tells me it's refusing the connection.
To be clear, I'm certain that the vnc server is started. We have working DNS, and trying to connect directly to the internal IP:1 doesn't work either.
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Jul 8, 2011
For some reason my FTP packets are blocked by iptables even though I thought I allowed them through
My syslog errors are along this line:
And my iptables ruleset:
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Jan 31, 2011
A little background: CCNA and A+ I have preformed this task on Cisco routers Linux for 5+ years, mostly with Debian (mostly casual, a few production situations) I need to setup a linux box with Load Balancing over a cable line 8mb down, 1mb up connection and a T1 line. If this isn't possible, at the very least I need Failover (which I have admittedly not researched as fully.) I know Failover is possible, but I would really love to double my upload bandwidth as we host a small website here. Is load balancing over uneven connections possible on Debian?
Side question: If I host a website, when users connect and get responses over 2 Public IP's, what would be the reaction on the users side? Would it get filtered and or blocked by a firewall?
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Apr 3, 2011
I want to limit the amount of connections a user can make outside of the box per user group, should I be doing this via iptables or what? aka:
group1 can only have 2 simultaneous outbound connections
group2 can only have 8
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Apr 23, 2011
My Debian server is used by people to set up ssh-tunnels for use as a local proxy ( on their remote machines).Since only the tunnel is setup, and no shell is used, I can't use "who" to see which users have an active ssh-tunnel on my server, but I would like to have an idea about who is active etc. I think I should be able to determine this from the auth.log file, but then I would have to use some script to determine what connection is still active. Is there an easy way to see what users have active ssh-tunnels on my Debian server at any given moment?
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May 17, 2011
I'm trying to bridge connections between a wired and a wireless connection in one of my computers. I was told it was impossible due to low-level limitations in the wireless subsystem, but apparently theres a way if you somehow forward packets from one port to the other. Is there a way I can achieve this?
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May 25, 2011
I have exim setup on squeeze to run as an "internet site". Outgoing mail works fine but it seems to just ignore incoming smtp requests on port 25. I can see the incoming connection via tcpdump but exim doesn't seem to talk. If I connect via telnet it rather quickly says connection refused. Is there something additional I need in the Exim conf?
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Jul 24, 2011
I am still a noob with linux and debian in particular. I do some android development so through that I have learned a little bit about linux but only the basic command prompt commands and the basics of how linux works and such.Anyways, I was looking around on the forum and on other forums and I couldn't find any helpful information about how to set up wireless connections (such as wifi) on debian. When I installed debian on my computer it asked me for the ipw2200 files and I didn't have them at the time but now I have the latest framework files for that, I don't really know how to install them and after I install them I don't know how to turn on my wireless connections from there.
I am really sorry if someone already made a post on this subject and I am just too clutzy to find it, if that's the case please just post the link to that thread for me cause I'm dumb as crap.So basically the main problem I am trying to fix right now is that I cannot get my internet to work on my old dell inspiron 6000 laptop which I am trying to get to run debian.
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May 30, 2011
I recently installed Fedora 15 now, and during installation I set the internet connection manually, then did update and after reboot, the internet connection settings have been removed. Now I can not set because the network connection to the Internet Connection is inactive. I mention that before the update was functional internet connection.
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Dec 13, 2010
I've been looking through the Debian wiki, searching past topics in the forum, and generally googling, but all to no avail. I'm unable to connect to the internet through any wireless connections, nor through an ethernet cable. I installed the latest weekly image of Debian squeeze. After installation, I found myself on the command line. I installed gnome with
apt-get install gnome-desktop-environment I also tried installing gnome-applets, gnome-netstatus-applet, and gnome-nettool, but I guess they were already installed. When I open System > Administration > Network in Gnome, there's no connections tab in the Network Settings application.
Here's what I think is the relevant portion of lspci -v
07:00.0 Ethernet Controller: Atheros Communications Inc. AR5001 Wireless Network Adapter (rev 01)
Subsystem: Hewlett-Packard Company Device 137a
Flags: bus master, fast devsel, latency 0, IRQ23
Memory at c2000000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [40] Power Management version 2
[Code]...
I'm one of those people migrating from Ubuntu and in Ubuntu I had to add a 'rfkill -unblock all' command to my rc.local file for this laptop. Not sure if that's relevant, but thought more info couldn't hurt.
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Dec 12, 2010
I've just installed OpenSuse 11.3 on my new laptop but I've skiped the network configuration during the installation of system, but after that when I use the command : dhclient eth0 I'll be connected without any problem except when I reboot the system, I should retype the command to connect
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May 11, 2011
I am running "Lucid Lynx" (10.04) 64 bit. My "Network Connections" has disappeared from the 'System -> Preferences' menu. I also had a network connections status/configure thing on the panel. With it, I could disable/enable and configure my network connections. It appears on a fresh install of 10.04, but it is no longer available. I've been running 10.04 for a number of months but it recently has disappeared.
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Jul 15, 2011
i want if a port (exp. 1001) have 20 connections that the next new connection forword to an other port (exp. 1002).
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Aug 7, 2011
I'm trying to setup a wireless AP with my old asus eeepc, so it can act as a repeater to connect my android device on the other end of the apartment. I've already created the Wireless Access Point using hostapd. It took very little configuring, just changed from mode 'a' to 'g' and changed the channel from 60 to 1 and It was all set. Next I setup a dhcp server. Also simple enough using yast.
Up to this point, I was able to connect my android device to the newly created wireless network. However It doesn't have internet access. I guess I have to configure iptables for this, but I find it incredibly confusing! Here are a few specs to help with any examples: The laptop is connected to the internet through eth0 with IP 192.168.2.120 Hostapd is using wlan0, and I'm pretty sure it created mon.wlan0 So, to sum up, when I connect my android device to the network I can, for instance, see what ever pages apache is currently serving on the laptop, but can't access the internet.
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Apr 7, 2010
I installed and tested both Windows server 2003 and Red Hat 9.0 with vmware workstation7. After installing 2003 can access internet but Red Hat can't. I want to test squid proxy server, send mail server, webserver etc. So, I would like to know how to setup WMware's network configuration for Red hat can access internet.
Below link is the configuration of VMware network setup both Server 2003 and Red Hat.
Here is Red Hat Configuration:
http://i64.servimg.com/u/f64/11/74/16/17/linux10.jpg
Here is Windows Server 2003 configuration:
[url]
I am using wireless connection to access internet.
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