NetworkManager is a set of co-operative tools that make networking simple and straightforward.

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vpnc has stopped working with Cisco VPN gateway Ubuntu 13.04

Recently I've been unable to connect to a Cisco VPN gateway using vpnc even though I had been using vpnc to connect to this same gateway for about a year leading up to this breakage... I'm using the ...
0
votes
1answer
273 views

Ubuntu 13.04: Ethernet works at office but not at home. DHCP issue maybe?

I am fairly new to Linux and just installed Ubuntu 13.04 on an external USB HD (using the liveCD). The computer the drive is connected to is a Dell Precision M4500 (laptop). After the fresh install, ...
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votes
4answers
54k views

How to change ip address in ubuntu desktop through command line

In Ubuntu desktop 13.04 changing /etc/network/interfaces file don't change ip address or convert DHCP to static network interface configuration. after changing the file I tried sudo service ...
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0answers
1k views

wifi connected to android via laptop but internet is not coming

I have started wifi in my ubuntu using this process and is equivalent to ap-hotspot and I am able to connect my rooted android device to my laptop via wifi but I am not able to get Internet connection ...
3
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0answers
487 views

OpenVPN connection timeout

i am trying to establish a VPN connection using OpenVPN. I think have set up the VPN server correctly. I followed this instructions. From the server i have received the files ca.crt, ca.key, ...
7
votes
1answer
30k views

restart network interface after editing /etc/network/interface

restart the network service: service networking restart When I give the above command I get something like stop: Unknown instance: networking stop/waiting I would like to know if the network ...
0
votes
1answer
255 views

When already connected with eth0, Network manager still tries to connect wifi

I have a solid working network and internet connection through eth0, but network manager still automatically tries to connect to wifi. Since the wifi is unreliable, this is just trying and failing ...
0
votes
1answer
87 views

Ubuntu 12.04 network goes on and off

I have been using Ubuntu 12.04 for a long time. I update Ubuntu once in a month. The last time I updated networking issues started cropping up. My internet connection disconnects, and after some long ...
0
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2answers
813 views

how do I get WPA2 connection to work using wl.ko proprietary driver? [closed]

for some time I've been using local WPE wi-fi, which was simply managed using iwconfig, using the following line of commands on the startup: sudo modprobe wl && sudo ifconfig eth1 up ...
0
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2answers
3k views

Mobile Broadband not showing in Network Manager

I have very big problem with mobile broadband connections... I tried on my laptop to connect and searched the web for possible solution, but didn't found it. The problem is that i DON'T have the menu ...
0
votes
1answer
1k views

Network Manager Removed

i was installing some ARP tools and accidentally iv installed "arping" on my ubuntu 13.04. Now iputils-arping it's removed also network-manager and i don't have an internet connection on my laptop. i ...
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3answers
4k views

How to disable wifi power management (rtlwifi, rtl8192cu)

I have problems using my wifi connection under Ubuntu 13.04. As many others also reported, Thema realtek driver RTL8192CU causes connection problems. Edit: This happens on two different machines ...
0
votes
1answer
107 views

wifi fail: /lib/firmware erased during boot

My computer is a Dell Latitude E6420. After a fresh Ubuntu 13.04 install, the wifi is not working. The wifi hardware is, result of sudo lspci | grep Network : 02:00.0 Network controller: Intel ...
0
votes
1answer
185 views

After new router WLAN doesn't connect anymore

I switched routers from a Fritzbox 7390 to a Dlink 615. Since I switched I cant connect over WLAN in 13.04 to the Dlink. It works fine in Windows8 and my Android devices. Thanks for yor help :) Jul ...
0
votes
2answers
204 views

Ubuntu Server + Window Manager + Network Applet

I'm trying to build a minimal desktop system on top of ubuntu server 13.04, and I've got the i3 window manager running. Apparently the standard nm-applet package is no longer in the ubuntu repos, and ...
1
vote
1answer
889 views

WiFi not working on Latitude D620

I have an old Dell Latitude D620 that I installed Ubuntu 12.04 on. I had originally installed the Ubuntu 12.04 Server configuration, than added in the desktop stuff later with "apt-get install ...
1
vote
1answer
291 views

Setting up /etc/network/interfaces for sandboxed network with 12.04 LTS

I am trying to set up Ubuntu 12.04 as a router so I can isolate an IP subnet. For the isolated subnet, connections are only allowed via port forwarding. Other than that, neither inbound nor outbound ...
0
votes
1answer
2k views

Hotspot and Internet access together — why not? [duplicate]

If I go Settings → Network → Wireless and select Use as Hotspot..., I get the following message: If you have a connection to the Internet other than wireless, you can use it to share your internet ...
1
vote
1answer
516 views

vmware kills host's network connection

I'm using vwware 9 with Windows 8(guest) on ubuntu 13.04(host) with network set to NAT. It perfectly works when I'm on wifi. But whenever I try using wired ethernet, it stops working. So, it looks ...
0
votes
1answer
287 views

Unable to connect ethernet in ubuntu

Sir, I am beginner to Linux. I have been trying to get internet access via Ethernet in my Ubuntu 11.04 but have failed to do so. Whenever I attach ethernet cable, it starts scrolling (signaling that ...
0
votes
1answer
88 views

Preventing NetworkManager from bring certain network interfaces 'up' by default

Is there a way to specifically control which networking interfaces are brought online automatically by NetworkManager when I login? I have two wifi cards, one of which doesn't work, and I need to be ...
0
votes
1answer
486 views

Ubuntu Touch connecting to 3G The connection was not supported by oFono

I am trying to enable 3g on ubuntu touch. I am currently on the "rogers" network in Canada and I have transferred my connection information to my phone, but when I run nmcli con up id "rogers" I get ...
0
votes
1answer
13k views

Resetting network settings in Ubuntu 13.04

In my Ubuntu 13.04 I was messing around with the network connections without creating backups. Now I have done something to the network after which the Network Manager isn't showing up at top right. I ...
3
votes
1answer
253 views

Move wireless passwords to another computer

I am going to reinstall Ubuntu soon and want to move my wireless passwords I have to the new installation. What do I need to backup to put on the new installation?
2
votes
1answer
363 views

List of gconf keys, in particular nm-applet

I made the same mistake (clicking "do not show again" in NM applet) as this guy: Where can I find network manager's gconf key? The problem is that the entirety of my nm-applet/gconf.xml is: ...
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vote
1answer
1k views

How can I set a default profile for a network interface in network manager?

I have the following network profiles defined in Network Manager in my Xubuntu VM: "DHCP" and "Static" are bound to eth1, and "VM Network" is bound to eth0. I'd like "DHCP" to be the default for ...
0
votes
1answer
258 views

Share internet connection from computer without NAT

Is there a way to use my laptop with a wifi card and provide network access to my laptop without NAT? I currently set up network manager to share the internet connection and I can browse the internet ...
2
votes
1answer
662 views

Setting up wired broadband with static IP

I was using my wired broadband connection perfectly with windows. That broadband uses static ip. At windows 7 the setup was done in IPv4 section. That had following things: i) Ip Address ii) ...
0
votes
2answers
1k views

Ubuntu 12.04 - Network Manager Problem In System Tray

I am using Ubuntu 12.04 and I installed fallback version of desktop. I have a problem about my network manager in system tray. I can see network manager but no button is working in network manager in ...
0
votes
1answer
78 views

Reverse Commands Which Disabled Network-Manager?

While attempting a wifi fix, I was prompted to run the following commands: sudo mv /etc/init/network-manager.conf /etc/init/network-manager.conf-disabled sudo mv /etc/xdg/autostart/nm-applet.desktop ...
4
votes
2answers
175 views

Script to extract/push a list of wireless configurations including passwords?

I need to configure a set of new machines. They all need a set of common WLAN connections I currently have on my machine. I know how to manually retrieve the settings including the passwords using the ...
0
votes
1answer
121 views

How can I have a network connection after uninstalling network manager?

I removed dnsmasq-base with sudo apt-get remove dnsmasq-base then I tried to install sudo apt-get install dnsmasq After executing the first command network manager is disabled and I am not more ...
2
votes
0answers
1k views

Do I need NetworkManager on Ubuntu Server?

I've seen several posts suggesting using nmcli, nm-tool and similarly named utilities for network related tasks. In my case, I was trying to see what DNS my Ubuntu server installation is trying to ...
0
votes
1answer
658 views

Wired connection fails

I have been using ubuntu for a few years now, and since I upgraded from 12.10 to 13.04 I have this issue, where I get no error or notifications at all, but my wired connection just stops working. The ...
3
votes
1answer
205 views

How can I make new wireless connections use a VPN by default?

I check this box every time I connect to a new wireless network: How can I make it enabled by default for new connections?
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vote
1answer
812 views

OpenVPN missing in “connection type dialogue” in Ubuntu 13.04

I need to connect to my work computer with an openVPN connection, this is something that I have successfully set up on my Ubuntu 12.04 in the past, so I'm alright with with how to do this in theory. I ...
0
votes
2answers
1k views

How to reinstall dnsmasq-base

I accidentally removed dnsmasq-base following a tutorial without looking at the warnings in the comments. So what I want to know is, is there a way of getting my network manager back without losing ...
0
votes
1answer
139 views

Clean Network-Manager “never” connected record

How can I clean Nm from all the network ID I never get connected too ? Traveling and moving here and there increase the list of net and I don't need many of them ... so I would like to clean all the ...
0
votes
1answer
327 views

Why after ticking Automatically connect to VPN the Ethernet is not activated automatically anymore?

I have configured an OpenVPN session attached to my Ethernet Wired Connection and as soon as I have ticked the option "Automatically connect to VPN when using this connection" on my Wired Connection ...
2
votes
1answer
3k views

Internet connection drops out

I have this random network failure. No error pops up, the system says it's still connected to the internet(wifi and wired). The problem is, I can't connect to anything, even a ping google.com gives no ...
3
votes
1answer
196 views

USB port not working, while shutdown and network manager are misbehaving

I use an Acer Aspire One with Xubuntu (12.04). Last night I installed a few updates, only the security ones because it was late. It finished OK with a message about needing to restart for the changes ...
2
votes
1answer
765 views

What is “normal” activity on the loopback (lo) network interface?

I'm trying to diagnose intermittent poor wifi performance on my laptop, which has a fresh installation of 13.04. I installed several network monitoring tools, including "slurm", which I'm now using ...
7
votes
1answer
191 views

What packages add support for different VPN types to Network Manager?

What VPN types does Network Manager support, and what packages do I specifically need to install to allow the support of those VPN protocols?
0
votes
2answers
5k views

How can I figure out what polkitd is doing with so much of my system's resources?

I'm running 13.04 on an acer c7 (chrubuntu 12.04 install then two system upgrades) and now whenever I use my computer for more than a few minutes, it slows down as polkitd, dbus-daemon, ...
0
votes
1answer
4k views

How to restart networking? eth0 RJ45 does not connect after sleep mode in Xubuntu 12.04 [duplicate]

After I sleep down my notebook (Xubuntu 12.04) and wake up, my network setting goes often corrupted and does not work. Only solution seems to be restart. Connecting and disconnecting in network ...
2
votes
2answers
2k views

No “ENABLE BROADBAND” option in network settings of ubuntu 12.10

i used to use 12.04 LTS and had the same problem..upgraded to 12.10 as i have read somewhere that 12.10 has a fix for it...but i still face the same problem.. *i have wvdial...usb-mode switch packages ...
2
votes
2answers
3k views

Why Network Manager Can't Detect My ZTE USB 3G Modem!

I am using ubuntu 12.10. I use a ZTE USB 3G Modem to connect to internet. I connect that modem through a driver software which was provided with the modem. This modem works fine. I can browse , use ...
3
votes
2answers
5k views

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 ...
5
votes
2answers
15k views

Which application can I use for a network traffic monitor

Is there a way to see ALL the traffic? from which process with the REAL NAME is accessing to which IP with the REAL NAME at which bitrate? When I say real name I am referring something like this: ...
4
votes
3answers
257 views

Does NetworkManager have a limited bandwidth mode?

As soon as I go online via my portable 3G hotspot, all running programs happily start pulling updates (e.g. Gwibber, Thunderbird, Update Manager...) and eat into my traffic quota. Is there a way to ...