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

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how to check network card bonding speed in ubuntu 10.04

I have Ubuntu 10.04 install DELL R710 server I have configured the network bonding using the below steps sudo apt-get install ifenslave ------------------------------------------- vi ...
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4answers
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How can I troubleshoot “VPN Connection Failed”?

Is there anyway to get an error log for a failed VPN connection attempt? All I get is this notification and I have no idea where to go from there:
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How do I know that OpenVPN is actually used?

I'm probably a bit too paranoid here but I want to make sure that my VPN is actually used. I've set it up according to a guide on the internet and everything appears to work. If I connect with my ...
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4answers
31 views

Block connections to open WiFi networks

My users are using Ubuntu on corporate laptops. They don't have sudo permissions. IT security policy deny connections to open WiFi networks. How to setup Network Manager to deny connections to that ...
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1answer
9k views

How do I get a rt2800usb wireless device working?

My brand new desktop running 13.04 has endless problems with wireless. Dozens of others are flooding forums with reports of the same problems. It worked fine for a few days, then there were a few ...
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8 views

creating object for path '/org/freedesktop/NetworkingManager/ActiveConnection/4' fail in libnm-glib

I downloaded the network manager packages, and tried to install it but it show the error A later version is already installed Can you help me to download offline package and how to install it ...
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3answers
34 views

Ubuntu OpenVPN is connected but won't change IP

I know very little, just want a VPN so I can browse in privacy. So... I downloaded the .ovpn file from CyberGhost, downloaded OpenVPN, put in the details and all that. At first it didn't connect to ...
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19 views

Ip Forwarding between wlan0 <=> eth0: works in Terminal, fail in Browser?

I enabled ip-forwarding between my interfaces wlan0 and eth0 : in /etc/sysctl.conf sh "echo 1 > proc/etc..." 3 iptables rules. IpTables rules: sudo iptables -t nat -A POSTROUTING -o eth0 ...
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3answers
375 views

kubuntu 15.04 wifi problem (lenovo T420)

I have a Lenovo T420 laptop, I have recently upgraded from kubuntu 14.4 to kubuntu 15.04 and since then I have problems with wireless connections, when trying to connect to a wireless network that I ...
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14 views

Iwconfig set bitrate impossible

I've got a problem with iwconfig. Prelude: I had a slow wifi connection, after some research I found that can be caused by a bad bitrate configuration. I launch iwconfig and Bingo ! : eth0 no ...
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3answers
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Ubuntu 14.04: Can't connect to new password protected wifi network

After upgrading to Ubuntu 14.04 I can't connect to any new WPA2 wifi access points. Existing ones work. Here is a pastebin of the syslog output: http://pastebin.com/QVgmRmXp Here is an error that ...
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6 views

IPForward fail with wlan0 AP + eth0 WWW

I did it: wlan0: Wifi AP (Dhcp) eth0: Internet access I can verify the WWW is joinable by eth0. Clients can connect to Wlan0 AP. It works well if I redirect all traffic to localhost with ...
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How do I debug a large pause before network transactions when Network Manager is disabled?

I have had a network problem since upgrading to 15.04 for which I have tried a new network card and clean installation of ubuntu, neither of which worked. My system was fine under 12.04 and 14.04. If ...
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11 views

how to enable ethernet network?

In my Ubuntu 12.04LTS LAN connection does not enable automatically once give "dhclient eth0" the network connected to it also the network icon is hide from task bar. help me to solve this?
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19 views

Failed to add/activate connection. (32) Insufficient privileges

I am doing a fresh install of a minimal Ubuntu system with MATE desktop environment. When I click on NetworkManager's icon and then a wireless network to connect to, I receive a dialog box that says: ...
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7 views

Impossible to GUI-login after NetworkManager removal (Linux)

Config: Ubuntu 14.04.3 LTS (same problem on Mint 17.2) I removed network-manager (via apt-get ... remove). I rebooted. Now I cannot login anymore, each time I enter password, the screen turns ...
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261 views

vpnc works but network-manager-vpnc fails

I am trying to connect to a vpnc vpn. I first created a conf file /etc/vpnc/clientvpn.conf looking like this: ## generated by pcf2vpnc IPSec ID mygroupid IPSec gateway some.ip.add.ress IPSec secret ...
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1answer
69 views

14.04 on Macbook Pro connecting to wireless

so I'm brand new to Linux and I just installed it as the single OS on my macbook pro. I'm having a problem where I can't connect to my home wifi network and I'm not sure what's wrong. Just to tell ...
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1answer
4k views

Network Manager missing after update: no connectivity

After an update and restart, I found that the network icon on the top is missing and so, I cannot connect to LAN, wifi, USB modem, nothing. Now, I am booting from a Live USB, then chrooted to my ...
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3answers
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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 ...
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1answer
32 views

“NetworkManager is not running”- error. After manually upgrading nmcli to 1.0.6 on ubuntu 12.04

I need to use the new version of NetworkManager on ubuntu 12.04. I've installed NetworkManager-1.0.6 from source code, from gnome Projects web site (And allot of it's dependencies). After ...
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Use systemd to “mount” wlan0 at boot

Context (if needed) : at boot, the service "myservice" is launched. It manages to "up" the wlan0 interface. But it does not exist yet at boot. ifconfig, after boot, lists only eth0 and lo. If ...
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1answer
14 views

Boot, How to run my service **after** Network Manager?

I have made a service - which changes settings of network interfaces -. I want to start it at boot. Issue: even if I set it 99 priority, it works only a few seconds. It seems its interfaces config ...
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1answer
21 views

vpn client routing when “use this connection only for resources on its network” is checked

I cannot access to servers like 192.168.12.123 from vpn if "use this connection only for resources on its network" is checked in vpn settings/ipv4 settings/routes, but I can if this flag is unchecked. ...
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1answer
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How to install TP-Link MA180 on Ubuntu

I just bought the 3G Modem TP-Link MA180 and I try to install it on Ubuntu 12.10. Problem : Network Manager does not detect it. I saw on the web that usb-modeswith is supposed to handle it, but I ...
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7 views

Improve boot time [network-online.target]

I want to improve my boot time, if possible $ systemd-analyze critical-chain The time after the unit is active or started is printed after the "@" character. The time the unit takes to start is ...
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8 views

Network Manager is forgetting “Saved” VPN Credentials

In Ubuntu 15.04, I frequently VPN into Cisco devices relying on this package: sudo apt-get install network-manager-vpnc Since Ubuntu 7.04, I've been able to save my credentials once, and then VPN ...
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1answer
21 views

WiFi disabled on HP 630

Trying to get work WiFi on HP 630 Lubuntu 14.04 64bit. Output of lspci -knn | grep -EA2 'Eth|Net': 02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd.RTL8111/8168/8411 PCI Express ...
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28 views

WiFi connection easy mode?

Currently, the only way I've found to connect to WiFi networks on my Lubuntu 15.04 box is to open nm-connection-editor, type in an SSID, and enter security settings. Simply clicking on the network ...
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21 views

Wifi icon proplem 14.04 LTS help [on hold]

Need help after i tried to get the wifi icon on 14.04 LTS i did some terminal commands and got the wifi icon on my computer put theres no bars i i click on it and nothing happens.
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1answer
36 views

Lubuntu doesn't see Ethernet and Wireless connection on Dell 1300 Inspiron

I just installed Lubuntu on Dell 1300. But I can't connect to Internet on this laptop and so I can't install all updates and drivers. I didn't find any information about my problem for Ethernet ...
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why wireshark capture arp-broadcast only? [on hold]

everyone In fact,it works fine while capturing my own message.But there is something wrong when i try to capture the message whose host is another machine. I run the wireshark on kali linux,while the ...
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20 views

How to use the --configure option in the network-admin tool

Well, I have no idea. Neither Ethernet connection 1 nor the standard interface name pair eth0/eth1 nor the internal interface name of my network adapter works here. It occurs to me that network-admin ...
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4answers
5k views

Tata Photon Plus not working in Ubuntu 12.04 though configured and was running once upon a time.

I have installed Ubuntu 12.04 few months back. My modem, Tata Photon Plus got connected after a number of unsuccessful trials and I browsed the net successfully. But since a month, it is not getting ...
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My AP service is running some seconds then stops

I did this till the issue: made a script running a Wifi Hotstop :: works ok made a service "WifiHotspot" and put it in /etc/init.d added it for boot launch: update-rc.d WifiHostpot defaults 95 ...
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Installed 14.04 and can not connect to wifi

I just installed 14.04 and cannot connect to wifi. I am currently using a wired connection but my other computer and phone are connected just fine so it isn't my internet. I've been through all ...
0
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1answer
1k views

Get Qualcomm Atheros AR93xx Wireless Network Adapter to work under Ubuntu 14.04

I'm trying to install TP-Link TL-WDN4800 Adapter with Ath9k under trusty. It should work just out of the box for windows and linux. On windows it works, but on ubuntu 14.04 (same computer) it doesn't. ...
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2answers
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After modifying /etc/hosts which service is needed to be restarted in ubuntu

After modifying "/etc/hosts" which service is needed to be restarted in ubuntu !
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Internet connection only through VPN after forced shut down

When on campus, I can only access the internet via the university's VPN. The connection is established by the Cisco Annyconnect Client (version 4.1). I also set the proxy in the browser. All according ...
0
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1answer
34 views

Problem during install Ubuntu 14.04, 14.04.1 and 14.04.2 on HP DL360p Gen8

I'm trying to install Ubuntu 14.04.1 on a HP Proliant DL360p Gen8 with 2 HP Network card 560SFP+ (one onboard and one PCI-E). When network configuration comes up, no DHCP is found even if there is ...
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2answers
974 views

Network Manager breaks manual routes

I have Ubuntu 13.10, Saucy Salamander x64 running as a guest in VirtualBox (with Windows 7 as a host). I wrote this /etc/network/interfaces because I need to add a large number of permanent, manual ...
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19 views

No network in recovery mode

I have some problems with the display, so I need to go into recovery mode to repair that. Now the problem is that I can't get the Internet to work. After I get in the command line as root, I do ...
0
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1answer
41 views

How to route all traffic through OpenVPN using Network Manager?

I can successfully connect to my OpenVPN server from command line using openvpn --config client.conf. The client.conf file contains redirec-gateway directive to route all traffic through the VPN ...
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0answers
35 views

Ubuntu 14.04 with Gnome 3, Network Manager issue

I have been trying to update the network setting of a fresh install via the GUI but am seeing this error: error editing connection: did not find a connection with UUID '(null)' The Network Icon in ...
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1answer
30 views

How to fix PPTP split tunnel?

I have installed Ubuntu 14.04 and it is fully updated. I have established the vpn connection to the host vpn server using Network Manager with PPTP. However, when I check the "use this connection ...
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3answers
4k views

Huawei E303C Problem / Problema con Modem Huawei E303C

TRANSLATED: I am really a new Ubuntu user, but for some time ago, I have tried Xubuntu and I liked it. Because of this I went a little further to Ubuntu. Right now, I am having this problem. I use ...
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31 views

Why can't I see one specific wifi network?

I bought my Lenovo IdeaPad S400 few years ago and immediately installed Ubuntu. Up to this day, Ubuntu 14.04 is running (without problem). However, without changing anything in the system or in the ...
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How to unmount nfs on shutdown of system via Network Manager

I use network manager and mount a NFS drive via a custom script /etc/NetworkManager/dispatcher.d/99nfs.sh: #!/bin/sh IF=$1 STATUS=$2 if [ "${IF}" = "eth0" ] && [ "${STATUS}" = "up" ]; ...
3
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1answer
5k views

Reset network configuration in ubuntu 12.04

My DSL internet did not connect by network-manager! So I tried to use sudo pppoeconf and my laptop connect to internet successfully. After that my problems are started! First of all network-manager ...
3
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2answers
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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 ...