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

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Interface's manual configuration problem

I'm building some home lab (Linux & windows) & I have some very basic configuration problems. The problem: Ubuntu 14.04 updated & upgraded (will be a router) I want to configure 3 ...
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606 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 ...
2
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1answer
143 views

WiFi sometimes doesn't reconnect after resuming from suspend on Kubuntu 15.04

This has happened at least twice so far. I am running Kubuntu 15.04. Sometimes, when I resume work after suspend, the wifi connection doesn't go back up. Here is a part of /var/log/syslog: Oct 27 ...
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0answers
9 views

How to autoconnect an ad-hoc network?

If I use the network connection editor to create a new wifi ad-hoc network, I can see it on another computer and connect to it. However, the other computer connects automatically if and only the ...
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0answers
17 views

Kubuntu 16.04 network-manager failed to edit connection with crued log

Always I want to edit a network-connection(WiFi, VPN, eth etc.) I get a log-message something like May 2 21:39:19 mylaptop NetworkManager[925]: <info> [1462217959.6967] audit: ...
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1answer
103 views

OpenConnect VPN not in Network Manager in 16.04

I have network-manager-openconnect-gnome installed, but there is no option for OpenConnect in Network Manager. If I run sudo openconnect vpn.work.com And enter my details, I can connect to my work ...
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3answers
5k views

network-manager no longer starts automatically

First post here I think I have a 14.10 box that used to be a 14.04 box. It's a media centre. When it was a 14.04 box it booted up fine. Now though it doesn't. When it boots it pauses on "Waiting for ...
1
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1answer
23 views

Configure two network interfaces on Ubuntu 14.04

My computer is running Ubuntu Server 14.04, and is connected to two networks at the same time (i.e., local network A with IP 192.168.1.30, which has access to Internet; and another local network B ...
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1answer
4k views

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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0answers
53 views

Set static IP Ubuntu 16.04

I am a new with Linux, having years experience with Windows servers/desktops and am having issues setting a static IP. I am using a method used for previous versions of Ubuntu, which doesn't seem to ...
0
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1answer
34 views

16.04 LTS wifi connection lost randomly every 5 minutes

First I had this issue described here 16.04 LTS wifi connection issues but nobody was able to provide a valid answer. Recently this wifi connection issue gets even worse. I would lose wifi connection ...
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0answers
931 views

Clean install ubuntu 16.04 cannot connect to wifi using NetworkManager, but nmtui works

I've performed a fresh install of Ubuntu 16.04 on my Asus N56VZ. Sadly, i cannot connect to wireless networks using the NetworkManager. I am able to see wireless networks, though. I tried to connect ...
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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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0answers
22 views

Not receiving IPv6 RA packets

I have a new Dell XPS13 Sputnik edition that came with 14.04 installed and it's not picking up an IPv6 address by auto configuration. Network manager is set to Method: Automatic Running wireshark I ...
1
vote
1answer
84 views

No network connections after 16.04LTS install

On a fresh install dual boot win7/16.04LTS. Internet woirks fine on windows but I have no wired or wireless connection on ubuntu. It would just try to connect forever. I can not ping google, and I can ...
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0answers
17 views

Troubleshoot personal internet failure, vol. 2

This a follow-up from here: Troubleshoot personal internet failure, where: sudo service NetworkManager restart was proposed. However, Internet failure again today. I did the restart, but this ...
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0answers
8 views

Cant SSH to remote server trought VPN

Currently am running Ubuntu 16.04 with installed and configured CiscoAnyConnect VPN. When I connect to VPN, I can't ssh to remote servers. SSH is just standing and nothing is happening. I can ping ...
3
votes
1answer
11k 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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3answers
4k views

Wifi stop working after while on Ubuntu 14.04.2

Yesterday I bought new laptop Lenovo E540 and I installed here Ubuntu 14.04.2. But I've problem with my wifi (router is Dlink g version). I can connect to wifi without problems after turning on ...
0
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1answer
59 views

How do I import a saved VPN configuration in 16.04?

I'm using vpn.ht and it provides a configuration file that you download and import for the network manager. Starting with the 16.04 update (I did a clean install), I can't import a saved configuration ...
3
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0answers
35 views

Can't connect to WPA Enterprise wifi after upgrading from 15.10 to 16.04

After upgrading from 15.10 to 16.04, I can't connect to my university's wifi (eduroam), which uses WPA2 Enterprise security. I'm certain the passwords and settings are all correct, and I had no ...
0
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0answers
15 views

How to check for multiple hidden network SSIDs?

Hypothetical situation: I have 10 identical (snappy ubuntu core) devices in the same room. Every device has an identical list of 10 hidden network SSIDs and password combinations. When turned on, ...
2
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1answer
130 views
+100

What are alternative reasons for low network connectivity?

Excluding this, as I have tried all methods listed on this site. And excluding this and this, they are in the aforementioned site. What are possible causes for a software based slowdown of internet. ...
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2answers
321 views

Intermittent NetworkManager error on importing .ovpn files or editing such connection in 16.04 only?

"connection.gateway-ping-timeout: cannot set property: value of "###" of type 'guint' is invalid or out of range for property type 'gateway-ping-timeout' of type 'guint' " "###" is sometimes a ...
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0answers
9 views

wireless unable to ping after 5-7 hours of iperf testing

I am currently working on an embedded board. The image has been prepared with support of OpenWrt. The athpci driver is used for wireless connectivity. Setup: One of the board acts as an AP and all ...
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2answers
4k views

How do I run GUI version of NetworkManager on DWM?

I was using wicd-gtk to connect to networks but for some reason it doesn't connect me to some networks and NetworkManager seems to be working fine. How can I launch GUI version of NetworkManager if I ...
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0answers
13 views

Kubuntu doesn't want to connect to known networks anymore, only new ones

This problem happened all of a sudden, without an upgrade or so being done. I have had no trouble connecting to networks in the past. Since a few days ago however, I can't connect to existing ...
0
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2answers
62 views

How to install RTL8723AE driver on ubuntu 16.04?

I'm trying to config ubuntu 16.04 on a MSI s12 notebook, but the network adapter (RTL8723AE PCIe Wireless Network Adapter) is not recognized by ubuntu. $ iwconfig syas: lo no wireless ...
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0answers
77 views

rtl8723be drops wifi connection on hp pavilion notebook ubuntu 16.04

I have recently bougth a HP Pavilion Notebook and performed dual boot with ubuntu 14.04 lts and noted that no wifi networks on first boot. I've searched a lot (really) and did lots of stuff (installed ...
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0answers
11 views

Lubuntu 14.04 Network manager issue

Please help me with this outdated problem. I searched the forums and tried everything but I still can't make the network manager appear. Can anyone guide me step by step to check where I messed it up? ...
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0answers
54 views

Unable to connect the weak wifi signal to Ubuntu 16.04

I have Ubuntu 16.04 installed in my computer, I have Broadcom Wifi in my computer. This wifi is not able to connect to the weak wifi signals around the computer, these are connected by my friends' ...
1
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1answer
40 views

Cannot set IPv4 address

I am trying to install Ubuntu 14.04 in HP EliteDesk 800 G2 SFF, in which Windows 7 is also installed. While wired network connection works well on Windows, it doesn't on DVD-booted Ubuntu. Then I ...
1
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1answer
29 views

Set specific network interface for internet access (II)

I am using Ubuntu 14.04 with MATE, and my problem is that when I use a local Ethernet cable to access local network via a router (which is not connected to Internet), and at the same time Wireless (or ...
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0answers
21 views

Unable to understand ifup/ifdown proceedings

I am trying to setup virtual ip for ucarp. But after configuration something strange happens with ifup ifdown as try to view the configurations. I change /etc/network/interfaces like # interfaces(5) ...
0
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2answers
55 views

UBUNTU DHCP not assigning IP address to clients.

I have a minimal knowledge about ubuntu. I am trying to run a DHCP server on UBUNTU so as to share Dongle 3G Internet. I disabled router's DHCP and followed the following guide to setup DHCP server in ...
5
votes
5answers
1k views

No more AnyConnect compatible vpn transport in Ubuntu 16.04?

Following my previous experiences with setting up Cisco AnyConnect VPN connections on Ubuntu 14.04 I tried the same approach here by installing packages: sudo apt-get install -y ...
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0answers
17 views

Conserve public IP access when using VPN

A remote computer with Ubuntu 12.04 LTS has a public IP and has to access computers in my local network. I already have a VPN server launched and the remote computer is successfully authenticating ...
1
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1answer
517 views

cannot import saved openVPN configuration file in Ubuntu 16.04 LTS

I am trying to import a .ovpn file from the network manager. Here are the steps I follow. Network Manager -> VPN Connections -> configure VPN.. This opens the Network Connections dialogue. Then, Add ...
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0answers
11 views

Block internet acccess unless VPN is active

I need to connect ONLY through a VPN, so if the VPN is down or the connection to the VPN is lost there should be no routes to Internet available, is this possible? To exemplify: UBUNTU OS MACHINE ...
3
votes
1answer
4k views

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 ...
0
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1answer
20 views

Add feature of network manager not working

Network manager in 16.04 will not allow openvpn to be added in the settings screen. The 'add' button does not become 'solid' it stays in a faded state.
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0answers
11 views

Does NetworkManager Cache Managed Interfaces

Does Network Manager cache which interfaces to manage? I listed eth0 in the /etc/network/interfaces to configure a static IP address but want to go back to just having NM manage it. I comment out ...
0
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0answers
21 views

Ubuntu 16.04, sundance net module has to be removed and added to work

Hi my issue is sundance module for Ethernet controller [0200]: Sundance Technology Inc / IC Plus Corp IC Plus IP100A Integrated 10/100 Ethernet MAC made by Asustek. My Ubuntu 16.04 box boots with no ...
2
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0answers
151 views

How to Import openvpn config in ubuntu 16.04?

Gnome network manager can't import any openvpn config file (.ovpn) after upgrade ubuntu to 16.04 version; I get the following error message when i try to import openvpn config file: The file ...
0
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0answers
11 views

Why does a new tun connection appear in NetworkManager when a VPN connection is established?

This connection appears in addition to the VPN (openvpn) and it disappears when the VPN connection is closed. I can see it has route settings and the following line appears in the system log: set ...
0
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0answers
5 views

network setting with xen hypervisor

I have installed xen on my ubuntu 14.04 by following the instructions at here: http://ubuntuforums.org/showthread.php?t=2008795 However, after the reboot, on the logo screen (still no desktop), it ...
0
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1answer
377 views

16.04 can't connect via DSL

I am on a DSL network which wont connect in Ubuntu 16.04. Tried all the mentioned solutions here, none of them worked. Also pon dsl-provider is not an option for me.
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0answers
38 views

Wireless connection failed!

(1) Creating object for path '/org/freedesktop/NetworkManager/ActiveConnection/2' failed in libnm-gl Also http://ubuntuforums.org/showthread.php?t=2239214 didn't help
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3answers
11k views

Told command dpkg cannot be found

On issuing the command sudo dpkg -i (package name) at chronos@localhost ~ $, I get the response sudo: dpkg: command not found. Anyone know why? I'm trying to load version 3 of network-manager and ...
1
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1answer
4k views

network-manager not working in ubuntu 14.04

After installing Ubuntu 14.04 in Dell inspiron n5010, my network manager disabling wifi is not working. It was fine in Ubuntu 12.04. I need help.