Ubuntu Networking :: Network Deactivating During Locked Mode?
Aug 29, 2010
I have a HP Pavillion DV7 laptop running Ubuntu 10.04, and I am having some problems with Ubuntu handling a network connection. Every so often, I leave my computer in locked mode overnight to download something. But, when I do this, the network just deactivates early on [there is a symbol of a blank wireless symbol with a red "?" by it]. Both the wireless and wired network connections are deactivated, and I am using a wired connection. This also sometimes happens in suspend mode, too, but less often. I have to restart my computer before it will connect again, as logging out and back in again does not suffice.
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Mar 17, 2010
I recently installed Karmic Koala (desktop edition) on an old PC. Most of the time, the PC is expected to be running in locked screen (i.e. blank screensaver),unless I need to fiddle with something.However, I keep hitting the mouse accidentally.Therefore, I would like to prevent the mouse from deactivating the locked screen and presenting the unlocking dialog. I.e. only direct keyboard press should invoke this action
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May 29, 2009
I'm running Ubuntu 8.10 and I want to setup a VPN connection. Problem is the VPN tab in Network Manager has a lock and won't let me add any new connections. I've installed open-vpn but still have no option to create a new VPN.
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Jan 21, 2010
I have a few old workstations no longer serving the company. My thought was to use these as internet stations where employees can register their time thru our internal web-based application. I would like to have an environment working like Windows with the SteadyState add-on, access to a limited list of web-sites and no system changes by the user. I have looked at [URL] and [URL] which both meets me criteria when it comes to locking out the user from all system settings, but both seems to be totally open to all web-sites without the possibility for the admin to make a list of allowed sites.
Running it from a bootable CD without using the HD seems like the way to go for a surf-kiosk.
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Nov 13, 2010
The mouse was working fine until I pressed the 'lock' button right above it. Since then I have not been able to move the mouse 'once' I get logged in. The mouse works fine when in the login screen. I have tried resetting several times.The keyboard seems to be working, but I don't know where to go to fix the mouse, and I don't know many keyboard shortcuts
** Solved **It's been filed as a bug and has yet to be fixed:[URl]A code below was used effectively by many but made my system freeze when I started up. I ended up reinstalling. So just a general warning.
Code:
sudo mod*robe -r psmouse
sudo mo*probe psmouse proto=imps
[code]...
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Feb 10, 2011
I have never had a working suspend. But ... every year or so I try it DOH!!! to see if the updates have solved itI used suspend mode today, and when I woke the system up , all seemed fine untill I tried to browse the internet.It told me I was offline. no ammount of clicking "go online" would work.So, then I noticed the network connection was broken.I did a few things to get connected, and I want you all to tell me what I need to put back again ! IPV4 and IPV6, I unclicked the box to require this for connection to complete.Somewhere else, there was a list of servers to ignore. I removed them all. (I think there werre 3) one was localhost another was similar, and the third was a number.I just want to know what these should be set at, because just because it works - doesn't make it right
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Apr 4, 2011
I would like to change wireless mode on my network card. When i type in iwconfig in terminal so i get abg I would like to have only a mode active. How do i do?
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Jun 5, 2009
For a certain reason , I have to set network in text mode . My X window need network to start .
I have a router at 192.168.1.1 DNS address: 202.102.134.68 / 202.102.128.68 I want my PC at 192.168.1.2 in LAN.
How to do with it in text mode ?
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Apr 7, 2010
I have installed CentOs 5.4 for Snort sensor , on the location where i intend to place the Snort sensor to listen for internal firewall leg (LAN) the switch doesn't support port mirror so i would like to create with 2 nic's bridge and pass trough the firewall internal leg my question how do i set such configuration.
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Aug 16, 2011
I made a big mistake. While logged in as root i deleted the /bin directory by mistake. I cannot boot up now...I tried to re-install with the upgrade option...Did it partly but it does not go to the login. I tried a rescue operation and have gone into /mnt/sysimage...However I do not know how to copy my data files over the network to another computer. If I could do that it would be great...I can then backup my file and reinstall.
However I do not know how to setup the network in rescue mode..
Agter going into the network option ...It gave 2 places where I could enter the values ipv4 .and ipv6...I tried entering the old IP address in the first oprtion ........./....Its prompting for some entry to be put after the /. I think its a 3 digit input. Not sure what has to be done.with namesserver and default gateway....I have a small dlink hub and normally (when the system was running) I just needed to go into network manager and enter the machine ipaddress, subnet mask 255.255.255.0 and some value for the default gateway which was not really there....It worked, i could remote connect with another computer in my LAN. How do i enter the 255.255.255.0 in rescue mode?
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Jun 20, 2010
My main PC has AN Athlon X2 4600+ on an Asus M2npv-vm. Has been working fine for ages running Ubuntu. Today it the system locked up and I had to do a reset. Since then it will not connect to the router or cable modem. I can connect another PC to the router, so that looks okay.
What can I do to test the network connection from Ubuntu? It's not even getting an IP.
I suppose it could be something has died in the hardware, but want to eliminate other possibilities first.
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Apr 25, 2009
I'm using Debian Squeeze. Just noticed that my system time has slipped back an hour and I can't adjust it because even though I give the root password, the buttons remain inactive.I checked a few other apps that need root authorization and found that - System --> Administration --> Network behaves in the same way.
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Jan 11, 2010
I've installed oS11.2 on a test box and joined it to our office domain without a problem. It's presently using winblows domain for authentication.
I can login normally, but when I attempt to unlock the screensaver using my windows credentials I am told that my account is "locked out, contact admin..."
A quick look at AD shows that my account is indeed being locked out, presumably when the 11.2 locks the screen.
what's causing this and how I can correct it?
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Mar 20, 2010
When I try to shutdown Ubuntu 9.10 it just stops at deactivating swap... Pressing Ctrl Alt Delete will restart the computer at that point
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Sep 21, 2010
I ordered this USB 802.11n dongle for about $10 and am having problems.I found a firmware related bug (Bug #595455) that keeps it from working out of the box and got around that. I put the right firmware file in the right place and CAN CONNECT TO B or G Access Points.hen I put my AP in N-Only mode, I can see the network, but cannot associate. With the AP in mixed mode I can Associate using G.The most interesting thing I found was something that had very
few google hits (like 4). In the dmesg output after associating I see the message:
Successfully associated, ht not enabled(0, 1)The most interesting thing about this is the (0, 1) at the end.I don't know what that means but it seems like a clue as to what the problem is.This device uses the realtek chipset 8191S, there are conflicting reports on this, but all the reported possibilities seem to use the same driver from realtek (rtl8712_8188_8191_8192SU_usb_linux_v2.6.0006.2010 0625).Here is some random info:
Dmesg output:
[85082.620027] usb 1-3: new high speed USB device using ehci_hcd and address 6
[85082.754586] usb 1-3: configuration #1 chosen from 1 choice
[85082.755456] ==>ep_num:4, in_ep_num:1, out_ep_num:3[code]........
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Mar 5, 2010
I'm running Ubuntu 9.10 otherwise flawlessly on a 2007 core 2 duo Macbook. Right now its set up to triple boot with OS X Snowleopard, Windows 7 Ultimate, as the other operating systems. I'm asking because I'm frequently having to force my system to power down after shutting down from Ubuntu, and I'm concerned that I could be corrupting files and damaging my hardware.
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Jun 10, 2009
I have a 2004 Dell Inspirion 2200 that has a bad hard drive. I have Linux Mint on a 4G flashdrive. Everything is fine (so far) except that the only way I can get the internet to work is to plug in a hard line, then activate the driver (it downloads), then search for the wireless router. Here's the issue:I don't understand why I have to plug in a hard line to activate the driver. Shouldn't it stay activated once I download and activate it?
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May 25, 2011
Can you "split" a network interface in Ubuntu, similar to how airmon-ng lets you use your wireless card in managed and monitor mode, by making another interface out of the same hardware? I know it'd be slower, but I'd still like to do it.
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May 27, 2011
is there a way to deactivate Caps Lock via command line? I mean: no matter whether Caps Lock is either active or not, issuing such a command would deactivate it. I'm not talking about disabling the key.
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Feb 16, 2011
I need (would like) to get the wireless running on my Lenovo q150. It uses the realtek 8191u chip for the wireless. I tried the steps in [URL]. But failed miserably. Now the Q150 will not boot. It locked up after the modprobe and I was forced to use the power switch. I was using a fresh install of maverick amd64.
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Jun 29, 2009
using a terminal on the server,telenet localhost 25 should connect to my mail server.It times out yet I can telnet remotely to my mailsever and get connected.I removed Iptables and that does change things.what ever is causing this started a week ago fri.I was adding to the iptables.I am still a newbie to Linux and Centos so I probably messed it up.
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Mar 2, 2010
I have just recently setup our network with an Ubuntu server which is being accessed by one Ubuntu workstation with nfs, & one XP workstation with Samba. Following instructions from the web, I set permissions like this:
sudo chmod 777 /media/Data sudo chown -R curley:curley /media/Data The problem is that files created in Samba are locked from nfs & vice/versa. I am assuming I need to add the nfs network share to the Curley group or use something more global than curley to make this work?
Samba is working ok from Ubuntu when browsing through Nautilus, but there is no access to shares when doing things like uploading or downloading files to the web (the "save file" window only shows local folders). So I guess I wouldn't mind just using Samba if I could map a folder in Samba to solve that problem.
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Aug 30, 2010
Below is a print out of my partition Table from Fdisk, in Cylinder mode, Sector mode, and then in expert mode?
Why in expert mode does it look like Partitions 2 and 3 share the same sector / hd / Cylinders? Is this OK?
Code:
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Mar 7, 2010
Last night I shut down my computer and left, since it goes automatically after I tell it to shut down. This morning, my computer was still on, with some shutdown messages like "Stopping MySQL server mysqld" and such.
The last line said "deactivating swap..." and didn't appear to be doing anything. code...
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Jan 3, 2010
i'm having a problem shutingdown my ubuntu 9.10. When I shutdown, it hangs after "Deactivating swap". It doesn't say fail or ok, just hangs there. Keyboard is still working.
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Nov 29, 2010
Currently , I have a PC with linux installed (centos ) and connected to this port and try to dump the data using wireshark 1.4.2. Unfortunately , I only capture data withsource/destination directed to itself . I confirmed that all data are redirected toobserving port because if a PC of Win2003 + Wireshark is connected and really dump all data. So I guess it might be caused by the NIC configuration in Linux . I am not sure that the NIC does really work in promiscous mode so that it abandon other data.Besides ,I also try to dump these data using TCPdump ,and so is it .
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Apr 12, 2010
Does anyone know of an official link to Ubuntu compatible 3G USB Dongles. I am looking for those that are "open", meaning not sold and locked by a carrier like AT&T, or T-Mobile.I want to travel with it and use it in any country with a local SIM and data plan.I am currently using Ubuntu 9.10 but can upgrade if need be.
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Jul 25, 2011
I wonder if it's possible to configure Debian so that it keeps network connection live while in sleep mode
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Jun 17, 2010
I want to monitor network traffic with ntop from a Lucid 10.04 machine. Both NICs have picked up an IP address, I need to put one in promiscuous mode. I typed sudo ifconfig eth1 promisc and the response was SIOCSIFFLAGS: Permission denied.I also tried sudo su ifconfig eth1 promisc[sudo] password for user1: I put it in Unknown id: ifconfig
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Dec 20, 2008
I've successfully install kvm with private network (nat) up running. I want to switch the kvm network using bridge mode (or host-interface), but do not success. env: nic iwl4965/ kernel 2.6.27.8/ debian etch upgrade to lenny/ kvm 0.9.1/ hardware hp 6910p The doc I follow up is at [URL] The way how i set it up is to modify /etc/network/interfaces by adding following section to enable br0
Code:
allow-hotplug br0
iface br0 inet dhcp
bridge_ports wlan0
bridge_fd 9
[code]....
However, the problem is the guest os, which starts with -hda k1.img, can not access to the internet. Is there any step I miss? or it is because wireless does not support bridge (I've heard doc says that wireless does not support wireless bridge)?
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