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

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Ubuntu server 12.04 LTS Network problem

Ok everyone, I am "sorta" new to ubuntu and am now running a Ubuntu 12.04 LTS server. I did a basic install of 12.04 lts 64-bit. After initial boot I logged in and ran 'sudo apt-get update'. After ...
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13 views

802.1Q VLAN Tag - is possible to set without editing config file?

Is it possible to make tagged vlans to be shown on network-manager like PPPoE connections? My computer is a laptop so I can't add another Ethernet card and now I must edit config file to ...
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1answer
21 views

How do I configure a machine to respond or not respond to ping requests?

How can I manage my Ubuntu machine so it doesn't (or does) respond to PING (ICMP ECHO_REQUEST - type 8) requests? Normally almost all computers in a LAN network respond to ping with an ICMP ...
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108 views

I can't turn on my wireless?

My wifi is off and when I go to the network symbol it says network enabled but it doesn't say anything about wireless. I have this dell ispiron mini that doesn't have a physical wifi switch I have ...
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29 views

Wired LAN Conncetion not working, but router says I am connected

I already looked for other questions maybe answering this, but nothing really seems to apply here. After a fresh install of 12.04, I can't get a wired connection established. WLAN works fine. What ...
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17 views

Does anybody know if exists a solution for this bug? [duplicate]

I have been using ubuntu 13.10 (amd64bits) for a while and always the same problem happen with me when I add a new VPN connection. My problem is the same as described in the follow website -> ...
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17 views

Automatically reconnect to more preferred WLAN network if it becomes available

Assume this situation: 3 WLAN networks (with WPA) to which my notebook connects automatically. Those are: network_work (fixnet WLAN accesspoint) network_home (fixnet WLAN accesspoint) network_mobile ...
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41 views

Why is my wireless network no longer listed in NetworkManager

I have a problem where I'm getting disconnected from my wireless network. If I look in the list of NetworkManger it is no longer there, but if I run iwlist wlan0 scan it is found. $ iwlist wlan0 scan ...
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35 views

VPN - where to find CA certificate?

I'm trying to setup a VPN connection in Ubuntu 13.10. So I installed the OpenVPN "plugin": sudo apt-get install network-manager-openvpn Then I clicked the network icon on the top right of my ...
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14 views

boot loading without full netwrok ubuntu 13.10 [closed]

for before thanks for helps my laptop Acer aspire 5733 i am using ubuntu 13.10. 2 days ago,i wrote command apt-get upgrade and restart after my laptop connect wifi but not working intenet if start ...
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13 views

How to enter password on console with NetworkManager's nmcli

I want to connect to a VPN with nmcli. Is there a way to allow me to provide a password to nmcli from the console? There seem to be ways to store the password in ...
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36 views

How to save VPN passwords with NetworkManger for nmcli?

There are many posts about putting VPN passwords into /etc/NetworkManager/system-connections/<connection>. I can't get any of them working on Ubuntu 12.04. The fields in the questions and ...
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13 views

Setting priority of wireless networks in KDE Network Manager

Is there a way to determine the priority of wireless networks? The KDE networkmanager applet works fine, but it often connects to the WRONG wireless network by default when multiple networks are ...
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1answer
20 views

Unusual network activity

I noticed that my network monitor was showing intense activity (mostly download at high rates) even though my browser wasnt loading any pages. I installed nethogs and checked the usage and got the ...
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1answer
40 views

My Wifi stops working after browsing the web

So I am using Ubuntu 13.10 and I have this USB wifi device (TP-Link TL-WN821N V4) in my computer. Now when I use internet via terminal, everything is just fine, I can upload and download the whole ...
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30 views

I need help with networks being duplicated?

I'm on Ubuntu 12.04. Let me start by saying I'm a newbie. Anyway when I start Ubnutu and login I get the empty wireless symbol. I then click it and try my network SSID's name. I get: Authentication ...
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20 views

(SOLVED) Can't Connect to Wifi that requires username & password ONLY [duplicate]

I'm a very very basic beginner so let me give as much detail that I can: I run Lubuntu 13.04 I CAN connect to public wifi's and also home private wifi networks that only need a password. I CANNOT ...
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17 views

Unable to connect to WPA2 Enterprise in 12.04 LTS

I read through the bug page here and the fixes didn't work. There also is no system-ca-certs line in the file for the network. Help please!
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30 views

How do remove pppoeconf from boot process

I recently upgraded from a BSNL ZTE ADSL modem to a Digisol wireless router+modem. When I had my previous modem, I used pppoeconf to set up my connection. Now my modem connects itself, and I no more ...
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24 views

Kubuntu Network Management Gui shows no networks

For the past couple of weeks, the network management widget on Kubuntu has shown no networks (equally, running the gnome widget has the same problem) I can still network via the command line but this ...
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28 views

dnsmasq unrecognized command

I'm attempting to run a script which calls service dnsmasq restart service dnsmasq restart dnsmasq: unrecognized service No matter what I call for dnsmasq, it gives me the "unrecognized service" ...
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2answers
81 views

Ubuntu 13.10: Can't connect to Wifi

I guess I'm using a very infamous Wi-fi Adapter because I've tried everything out on the internet and I guess its time to ask for individual help: I can't seem to connect to my Wi-fi Network, I'm on ...
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1answer
34 views

How do I add interface aliases using Network Manager GUI?

I have seen numerous tutorials for creating network interface aliases (for assigning multiple IPv4 addresses to a single interface), but I seem unable to find one for using the Network Manager GUI. ...
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28 views

Can I have only one program access my VPN?

Currently I have two computers, both running Ubuntu. Both computers connect to the same ISP, but with one I use a VPN service. For reasons not relevant to this question, I am considering getting rid ...
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53 views

HUAWEI e3531s DATA CARD

I am not able to connect to INTERNET using following USB Data Card: - $ lsusb Bus 001 Device 029: ID 12d1:1506 Huawei Technologies Co., Ltd. E398 LTE/UMTS/GSM Modem/Networkcard $ dmesg | grep ...
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212 views

How to successfully restart a network without reboot over SSH?

In Ubuntu 14.04 neither sudo service networking restart nor sudo /etc/init.d/networking restart do anything any more. They also both exit with code 1. Something has obviously changed (or half changed) ...
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17 views

nm-connection-manager “shared connection” does not route to inner network

I'm using a Raspberry PI to share it's wifi connection with an ethernet-switch. In the Connection Manager, I set the eth0-interface to shared, so it would use the wlan0-interface as the internet ...
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36 views

Network manager does not find my modem

All worked okay, but today I have installed mobile partner. After I have uninstalled it. And now the modem manager doesn't find my modem. I have connected the internet with sakis3g. What I can do now ...
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2answers
221 views

How to disable IPv6 when connecting to an OpenVPN server using Network Manager on a dual-stack system?

I'm using the OpenVPN client through the OpenVPN Network Manager plugin on a dual stack (meaning configured both for IPv4 and IPv6 connectivity) Ubuntu 13.10 to redirect all traffic through the VPN ...
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1answer
47 views

I can not connect to internet with Ethernet

I am completely new to this entire OS and looks like i need some help. I just installed Lubuntu 13.10 onto my old Dell. The system runs great but i can't connect to the internet at all. Ive searched ...
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1answer
32 views

Openvpn w/ Network manager

This may be a shot in the dark. I'm setting up a Ubuntu 12.04 computer in an open area in which each user need their own username and password to access the network via VPN. This must be a very simple ...
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1answer
30 views

Change MAC address via Terminal [duplicate]

Is there any way to change MAC address via Terminal ?And of course any command for this job ?
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25 views

Two wlan connections at once

Is it possible to connect with two wlan access points or ad hoc networks at once? In best case, using network manager. Or is this permitted by hardware design? I like to have another connection to ...
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60 views

Cannot connect to university computer via ssh over a VPN connection to my uni. network?

I need to VPN for happen a ssh connection to my uni. server. Both computer powered by Ubuntu 13.10. I am able to establish VPN connection to the network but ssh connection does not repond and gives ...
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33 views

Control which network interface is used by default

My mainboard hast two ethernet ports So far i have only used one (eth1), which is connected to a router with a dhcp-server. However, I want to use the other port (eth0) simultaneously to connect to ...
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105 views

How do you install network-manager on ubuntu server 13.10

Here is the problem I am trying to solve. I have a little appliance like server. It has no UI, but I tend to move it around. Sometimes I connect it with wifi and sometimes lan. Right now I have ...
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9 views

Wireless (shared) not active in network-manager

I wanted to share wifi internet using wlan interface. For this, I followed the article at http://liquidat.wordpress.com/2013/12/19/howto-share-ethernet-via-wifi-with-networkmanager-in-kde/. The ...
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30 views

Set IP-Routes in NetworkManager?

I'm executing a connection to a vpn in ubuntu's NetworkManager, which works really fine. As is need the vpn connection only for accessing ONE ip address, i set NetworkManager not to set its default ...
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48 views

VPN Connection only for specific service or port

I rented a Virtual Machine and i want to use an VPN Service inside for privacy like Hidemyass & Co. I connect to the VM via VNC, but everytime i switch on the VPN in the VM the VNC connection ...
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31 views

Updated from Ubuntu 12.04 LTS Wubi to 13.10, Ethernet Connection Now Flaky

Under Ubuntu 12.04 LTS, I would, whenever I wanted to connect a different computer to the Internet, unplug the Ethernet cable and plug it into the other computer. When I wanted to use Ubuntu again, I ...
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30 views

LTE on Ubuntu 12.04 with AirCard 340U?

I'm using Ubuntu 12.04 (64 bit) on my laptop (DELL Latitude E6410). I'm trying to access AT&T LTE network using LTE dongle AirCard 340U but it seems like the Ubuntu OS can only use ppp0 interface ...
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10 views

Is there a way to start openvpn to specify a start-paramater (laddr) when using the network-manager?

Is there anyway to give a start parameter to open vpn when launching it from the network manager? I would like to configure it to use a specfifc mac address for the tap0 device. usually this is done ...
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39 views

Script to automatically restart network-manager on WIFI failure

I have an alfa usb wifi adapter and unfortunately the connection drops from time to time. This is quite an issue when I do not have physical access to the pc. Does anyone know of a solution for my ...
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24 views

log files prevent clean root umount

My root fs is always dirty after shutdown. To see why, I added a couple of lines into /etc/init.d/umountroot: /usr/bin/lsof / | /usr/bin/awk '$4 ~ /[0-9].*w/' ... mount -o remount,ro ... /bin/bash ...
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21 views

Internet connection fails with Japanese provider

I ve got the following situation here. I am in Japan My girlfriend signed an internet contract with NTT "FLET" and I want to connect to that before my neighbour finds out how to set up a password on ...
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36 views

wireless not working “ ubuntu 12.04 LTS ” ( HP 635 Notebook PC ) [duplicate]

hp-wifi: Wireless LAN Soft blocked: yes Hard blocked: no 1: hp-bluetooth: Bluetooth Soft blocked: yes Hard blocked: no 2: phy0: Wireless LAN Soft blocked: no Hard blocked: ...
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118 views

Wireless doesn't work ( hp635 notebook pc ) (ubuntu 12.04 )

I installed ubuntu 12.04 most everything is working except the wireless. I have tried many solutions but none of them worked. The original issue before complicating it by installing several drivers ...
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56 views

How to connect to a L2TP VPN given some info from a sysadmin

I have been given some details of a VPN I am meant to connect to, and can't for the life of me get it to work under Kubuntu. The info I have been given is (fake values substituted where appropriate ...
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89 views

Network Manager showing nonsense after update (March 2014) [12.04.4 LTS (3.5.0-47-generic i686)] [closed]

After my recent update, Network Manager is showing this: My question is: How to fix this? How to remove additional(cloned) wireless device? Is there a config file for this? The icon is showing "no ...
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1answer
70 views

How do I use /etc/network/interfaces instead of network-manager

I have 12.04 Desktop installed, how do I uninstall Network-Manager and set /etc/network/interfaces as the default file to resolve my network connections?