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

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eth0 not in /etc/network/interfaces

I'm using Ubuntu 14.04 and my ethernet (eth0) connection is working fine. (with DHCP) However, when I read the "/etc/network/interfaces" there is nothing about eth0 in the "interfaces" file. Is ...
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2answers
17k views

ifconfig eth0 eth0: error fetching interface information: Device not found

I'm new to Ubuntu. In my system WIFI is working fine but Ethernet is not working fine. ifconfig -a lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 ...
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4answers
889 views

The system network services are not compatible with this version Ubuntu 14.04

I have Ubuntu 14.04 LTS installed on my PC. I have created some new accounts and then after I logged in to my own account there was no internet connection. When I try to open the network settings I ...
0
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0answers
13 views

14.04 Wifi doesn't turn back on after sleep

Related questions have been asked quite often, but the solutions mentioned in those questions don't seem to solve my problem. This quesion seems to be on the right track and I use it as a general ...
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0answers
15 views

Intel 7260 - Mint 17.3 - Thinkpad T540p [on hold]

not sure what is going on here - but please, would you be so kind as to see the wireless script output. ########## wireless info START ########## Report from: 09 Feb 2016 15:56 SAST +0200 Booted ...
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1answer
641 views

Way to remove unwanted/unused wifi networks from Network Indicator Menu? [NOT a duplicate]

This original question has NOT been answered and is NOT a duplicate question so I am reasking it: Way to remove unwanted/unused wifi networks from Network Indicator Menu? There should be a way to ...
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0answers
22 views

ubuntu 14.04: cannot connect to WiFi using TLS and WPA2 Enterprise with certificate

After the latest updates to my Ubuntu 14.04 I can no longer connect to corporate WiFi using TLS and WPA2 Enterprise with certificate. I did some research, and this bug (for Ubuntu 15.04) is the ...
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1answer
131 views

Setting up CyberGhost VPN service on Ubuntu

I have set up an account with CyberGhost VPN service and downloaded the configuration file and followed the tutorial on their website and now when I am trying to connect I get this error: ...
-1
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0answers
14 views

Network is not compatible with Ubuntu 14.04 in HP G6 2236TX

My laptop's network connection is not working after an update in 14.04. Also, no indication is displayed in the desktop. Can anyone please give the suggestion to fix this.
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1answer
13 views

Remove entries from network drop down menu 14.04

When I click the little wifi icon in the top right of my screen, I can see: 4 identical entries for "New Mobile Broadband (GSM) connection..." 2 identical entries for "iPhone Network" ashlee's ...
0
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0answers
35 views

Ethernet not working but wifi does

I have never used ethernet on my pc since install. Now I tried to connect it and it seems to try using 802.1x security(asks for credentials) on my home network.When I try to disable that security, I ...
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0answers
15 views

How to restart all network services?

Occasionally when waking up my laptop, I need to run: sudo service network-manager restart In order for wifi to work. However sometimes I have to restart completely, so there has to be some other ...
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0answers
11 views

Ubuntu MATE 15.10 no network connection when coupled with OpenVPN

Good morning everyone, Apologies if this has been asked before - to my best understanding knowledge and research, there is nothing that answers this issue... that I can understand with my limited ...
0
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1answer
19 views

open vpn gone after command in Private Tunnel faq

i was making new connection with openvpn by documents on privatetunnel.com and at the end of docs i enter this command in terminal and after that openvpn in broken. i remove open vpn with apt-get ...
1
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2answers
52 views

No ethernet on Ubuntu 14.04 LTS

My ethernet has stopped working, leaving me with wireless only: This seems to be a common problem but I have yet to find a fix. Standard diagnostics $ ifconfig -a eth0 Link encap:Ethernet ...
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0answers
22 views

Unable to start network manager at boot time

Each time when i boot up Ubuntu network manager icon disappear. I have to manually start network manager. I also tried to modify /etc/network/interfaces but no result.
38
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5answers
11k views

Last upgrade crashes network manager (no internet connection, no applet)

While upgrading today, something caused my wireless network manager to disappear. Not even connecting via wired connection. This error is being shown by files: **(nm-applet:2716): WARNING **: Could ...
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0answers
28 views

Network is not connected

After updating some data my system is not shown the Wifi option any more and it does not detect the network if I insert the wired cable. I already tried these attempts: ...
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0answers
14 views

High latency spikes BCM4352

Here's the facts: Using Ubuntu 15.10 Using network-manager (also tested with wpa_supplicant) Using bcmwl_kernel_source (unable to compile broadcom_sta, other kernel_source versions are not working) ...
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1answer
31 views

Unable to create wifi hotspot .. even kde is not working .. all this happened after updating in 15.10

When I click the connect to hidden wifi network , It has stopped to show the list of all hotspots I previously connected to, So i tried to check in settings->network->use as hotspot, Even this failed ...
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0answers
27 views

No internet connection on ubuntu 14.04.3 lts after update

I'm using ubuntu 14.04 lts and by mistake I restarted my machine during update installation, The machine now working without any internet connection I tried to download network .deb package and re ...
1
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3answers
9k 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 ...
0
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2answers
51 views

The system network services are not compatible with this version Ubuntu 14.04 problem to degradate libnl

After command: sudo dpkg -i lib*.deb For files: libnl-route-3-200_3.2.21-1_amd64.deb libnl-genl-3-200_3.2.21-1_amd64.deb libnl-3-200-dbg_3.2.21-1_amd64.deb I had a problem: dpkg: error ...
6
votes
9answers
16k views

nm-applet does not work Ubuntu 14.04

The network manager nm-applet has disappeared from the unity panel of my Ubuntu 14.04. When I try to run it from the commas line, I receive an error: $ nm-applet nm-applet-Message: using fallback ...
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0answers
19 views

Unable to create hotspot in ubuntu 15.04

My laptop is having Broadcom BCM43142. I used KDE connection editor for adding info like ssid, password and other hotspot related stuff. But now when I try to start the hotspot by using create new ...
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0answers
9 views

Restricting the Number of IP/TCP Connection Request Per Second Using Ubuntu Sever

I know what type internet connection my machines have and how much CPU/RAM they are using. So Is it possible to restrict the accepting number of IP/TCP connections per second at the OS level, before ...
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0answers
30 views

Create WIFI access point in 14.04 with bridge mode

Currently i am creating wifi access point using Unity’s default Network Manager IPV4 settings Shared to other computer and finally edited the file /etc/NetworkManager/system-connections/wifi-hotspot ...
0
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2answers
82 views

Ubuntu 14.04 Unable to connect to internet

All of a sudden, I am unable to connect to ethernet... the network manager icon doesn't appear anymore It used to work perfectly and the ethernet cable is working with another PC. Here is what I get ...
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0answers
75 views

forti client ssl vpn on ubuntu is connecting but i cannot reach my office

i am using Ubuntu 15.04 and i have downloaded forticlient ssl vpn. the vpn is connecting and i can ping 8.8.8.8. but i cannot reach my office. i also have a vm machine with windows and the connection ...
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0answers
11 views

Possible to let network-manager indicator display status of bridged network?

For my VM, I set up bridged networking by modifying /etc/networks/interface as below: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback auto eno1 iface eno1 inet ...
0
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0answers
12 views

Edit wired connections: IPv4 settings: Manual: Routes button

There is a "Routes" button in my Ubuntu 12.04LTS here: Edit Connections>Wired>Edit>Ipv4 Settings>Manual>Routes button Inside the Routes button I can add IP address, Netmask, Gateway, etc. I wonder ...
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0answers
62 views

Can't access internet even though the computer is connected to an ethernet

I have dual-booted Windows 7 and Ubuntu 14.04 LTS. In the early phase my wired connection used to work in both Windows and Ubuntu. But now it is only working correctly on Windows. On Ubuntu there are ...
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2answers
816 views

Why does the network indicator become invisible (one-pixel wide) in Gnome-Classic on 11.10?

I'm using Ubuntu 11.10, and when running in GNOME Classic I no longer see an icon for the nm-applet in the top panel. However the applet is running: jsteele@jsteele-00:~$ ps aux | grep nm-applet ...
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0answers
34 views

My pc lost the capability of use the network

I started my laptop this morning and I found lost the WiFi icon in the top bar, the I started to look around and I went to settings/network and I get a message saying The system network services are ...
0
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1answer
20 views

How to select frequency band with dualband wifi adapter?

I just had my 8812au dual band wifi adapter (TP-Link AC1200) working under by Kubuntu 14.04.03. I can see it's listening to both 2.4GHz and 5GHz frequency bands: [Uqbar@Feynman ~] iwlist wlan0 freq ...
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0answers
6 views

Xubuntu 14.0.3 lost all network connectivity [duplicate]

I'm running Xubuntu 14.04.3 on a Lenovo G50-70 updated earlier today, but I don't think any updates to the Kernel. I shut the laptop down, and had to leave for a wile. When I turned the unit back ...
0
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1answer
42 views

Wired connection (eth0) is working but network manager icon shows no network

After updating my network-manager, my wired connection continued to work, but it shows no notification; the double arrow is also missing, and the network manager just shows that "no connection" icon. ...
0
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2answers
48 views

Re-Installing Network Manager via Live USB?

I don't know what happened, but when I got back from suspend, suddenly network manager was deleted on my ubuntu 14.04. So, looks like it needs a reinstall, however, I don't have the packages saved ...
0
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3answers
332 views

“The system network services are not compatible with this version” - ubuntu 14.04 [duplicate]

"The system network services are not compatible with this version" - ubuntu 14.04... I didn't even update anything thing.I have everything in network manager ....and I'm unable to connect to any ...
0
votes
1answer
721 views

Get wi-fi hotspot (access point mode) working in Trusty Tahr with Network Manager

I have read that the NetworkManager is supposed to be capable of creating a hotspot in access point mode since version 0.9.8. I've got the NetworkManager installed that comes with Trusty Tahr (version ...
2
votes
1answer
117 views

How do I use OpenConnect via Network Manager to connect to Juniper VPN?

The more general question: How do I pass arguments/switches to the client in Network Manager? In order to connect to a Juniper VPN using OpenConnect, I use the following command-line: sudo ...
0
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0answers
43 views

Ubuntu 14.04 takes too long to connect to wifi after wake up from suspend

It takes approximately 45 seconds to connect to wifi after suspend. I searched internet for solution and found this: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/274405/comments/74 ...
0
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0answers
16 views

Network manager randomly crashed

It was connecting fine a couple hours ago and other devices on the network connecting. After the first reboot there was a notification that the network manager has crashed but other than that has been ...
0
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1answer
116 views

NetworkManager error

I do not know specifications of this error. All I know is about usr/sbin/NetworkManager I do not have internet, any network or applet. What can I do to give you mor information of solve this? ...
0
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1answer
149 views

Ubuntu 14.04 Network Manager is not available after Sw-Update [duplicate]

After running a regular Sw-update this morning, and restarting my Lenovo T430-based Ubuntu 14.04, the Network Icon on my Gnome2-panel is all grey and on left-clicking on it, it says: NetworkManager is ...
19
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4answers
62k views

How do I re-install Network Manager without an internet connection?

I have only wireless connection, one computer with a connection and 4gb usb . My second computer has no network connection, because I have deleted it from the software center. However, now I want to ...
3
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3answers
14k views

How to install network-manager without internet access?

I have been trying to install some kind of network indicator to show my current bandwidth usage on the panel on top of the screen so I decided to install ...
4
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8answers
29k views

How to reinstall network manager without internet access?

Unfortunately, I uninstalled network-manager-gnome using sudo apt-get remove --purge network-manager. I was trying to reinstall it from but without internet connection I cannot do so. What is the ...
4
votes
1answer
506 views

Network manager issue: The system network services are not compatible with this version [duplicate]

I have seen relevant solutions in askubuntu and other sites but none worked for me so far. I reinstalled network manager, modem manager, tried to upgrade them and manually install everything, also ...
0
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0answers
39 views

Cannot connect to internet at all. eth0 and wlan0 disappeared

I kept my laptop on updates but forgot to turn on the charger and it shut down. Now when I started it I realised that the networking icon has disappeared and there is no way to turn it on.I tried: ...