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

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1k 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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0answers
38 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 ...
0
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1answer
2k 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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0answers
52 views

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 ...
0
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1answer
82 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 ...
0
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1answer
1k 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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0answers
165 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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0answers
58 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 ...
0
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1answer
114 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 ...
1
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1answer
115 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 ...
0
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0answers
51 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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0answers
10 views

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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0answers
49 views

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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0answers
42 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 ...
2
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2answers
844 views

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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0answers
97 views

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 ...
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0answers
207 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
votes
1answer
190 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 ...
0
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2answers
770 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
611 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 ...
0
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1answer
297 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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0answers
176 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 ...
2
votes
1answer
394 views

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" ]; then ...
1
vote
3answers
472 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 ...
4
votes
1answer
730 views

Unreliable wireless connection with an Intel Centrino Advanced-N 6230

I know there are many questions on this site about wifi issues but I have searched and can't see to find an answer to mine. So here is the deal, a few weeks ago my house got a new router and since ...
1
vote
1answer
208 views

Restricted internet access on 14.04. Teamviewer works, websites don't load

I now know it is not a DNS issue, because I can't even ping 8.8.8.8. I've added the output of tracepath 8.8.8.8. My machine running the most up-to-date version of 14.04 Trusty. The mobo has two ...
1
vote
1answer
50 views

Why does nm-applet icon still animated after connection?

I am running Ubuntu 15.04. From time to time, the nm-applet icon (in the upper right part of the screen) keeps animated, even after the wifi network is connected and working fine. It does not seem to ...
0
votes
1answer
48 views

Console wireless network manager

I have installed i3-wm on my Kubuntu 15.04. But I need sometimes to manually choose Wi-Fi networks. I don't like the way I do it now (stating plasmashell, choosing Wi-Fi and exiting it), So I'm ...
1
vote
1answer
721 views

Ethernet not showing up in available connections - Ubuntu 15.04

I thought this would be a standard issue but I can't seem to find the answer on the internet. I have a Dell Inspiron 7527 with Kubuntu 15.04 installed, using the network-manager. Unfortunately the ...
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0answers
18 views

Weird network traffic

I am running Ubuntu 15.04. I am connected to my wifi. I have noticed that recently my network traffic has become weirdly shaped like a heartbeat. In my experience my network is experiencing a slow ...
0
votes
2answers
1k views

How to block PCs/Phones connected to my Wi-Fi Hotspot?

I create Wi-Fi Hotspot using Network-Manager. Now since everyone knows the my password, whenever I create Wi-Fi for my use(on phone), everyone connects to it which reduces the speed on my PC as well ...
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0answers
30 views

Have to force start Ethernet nic every login/restart

I have to run mii-tool -F 100baseTx-FD every time I log in or restart, I tried adding the command to both places answered here: How to run command at startup? but that hasn't worked, I still have to ...
0
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1answer
163 views

How to diagnose /etc/hosts file having no effect

Right now, on my Ubuntu 14.04 desktop, for testing purposes I've changed the /etc/hosts file to something very simple: 127.0.0.1 localhost 127.0.0.1 something However, this simple configuration ...
0
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0answers
58 views

nm-applet doesn't load at startup and disappears after resume

Having a problem with network-manager-gnome on my Ubuntu 15.04 with stock Unity window manager. Although nm-applet is added to 'Startup Applications' it doesn't load up after system start. Also, ...
0
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0answers
189 views

LTSP Fat Client Swap

First of all, this is my first foray into Linux and it has been a pretty steep but fun learning curve. I run a small K12 education centre in Japan and have set up an Edubuntu server with 4 LTSP fat ...
0
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1answer
55 views

Why is a nameserver address not removed from resolv.conf when disconnecting from my work network?

Using networkmanager and dnsmasq. When I'm at work I have a wifi connection that is statically configured with IP, dns server, and domain search. When I connect, resolv.conf has both the server and ...
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0answers
37 views

Low speed and problems in USB tether

I have strange mtr result, this is google.com mtr result: DEMON (0.0.0.0) ...
0
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1answer
79 views

Network traffic blocker by ip and port

I'm getting continues traffic to my AWS ubuntu server. Those traffic increase my bandwidth billing in a high level. Is there any ip port blocker tool or a way to block those traffics?
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0answers
166 views

TOSHIBA SATELLITE C50 dual boot windows 8.1 and ubuntu 14.04 , ubuntu connects to wifi but without intenet access

As the title says, I connected to wifi but without internet. My brothers laptop and my mobile works fine also my windows works fine. I can connect and all works fine at other wifi networks. I ...
0
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0answers
689 views

cant set wlan0 to mon0 mode only goes to monitor mode

so i dont know if this is supposed to happen but I have my wireless adapter all configured I have a tn wn822n usb thing i got off newegg. airmon-ng only finds something under interface if I connect to ...
0
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0answers
15 views

NetworkManager missed custom connections

I'm using Ubuntu 14.04. I have added my custom wired connections in the Network Connections, but in the list of available connections (when I open menu from the tray) there is only ifupdown (eth0). ...
0
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0answers
39 views

Replicate Network Interfaces with Network Manager

I would like to replicate this segment from my /etc/network/interfaces Xen installation with the Network Manager GUI and NOT bridge-utils: auto lo iface lo inet loopback auto eth0 ...
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0answers
76 views

while run the nm-applet command in ubuntu 14.04 get error.Pls help to resolve

while run the nm-applet command in ubuntu 14.04 get error.Pls help. (nm-applet:2990): nm-applet-WARNING **: Failed to initialize D-Bus: Did not receive a reply. Possible causes include: the remote ...
0
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0answers
114 views

Ubuntu 15.04 keeps disconnecting

I had previously posted this question here, but it was closed due to 14.10 being EOL. I have made the upgrade to 15.04. Every so often, my wifi will disconnect. I have posted the output of "lshw -C ...
0
votes
1answer
233 views

L2TP/IPSec VPN Connection

On OS X, there's an option for L2TP/IPSec VPN in network connections where it lets you enter an IP Address, Username, Password, and Shared Secret. I downloaded Strongswan in Ubuntu, but do not see ...
2
votes
1answer
716 views

wired network connection in xubuntu not working with r8169

I am working on a brand new laptop with xubuntu 15.04. Wireless is working ok. Wired connection says connected when plugged in, and disconnected after 2 seconds or so. "Enable networking" is ticked. ...
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0answers
285 views

Home network Speeds (LAN and Wifi) very slow, Internet download is fast

Good evening, I have a home network hooked up and an ASUS (RT-AC68U) Wireless-AC1900 Dual-Band Gigabit Router with CAT 7 running throughout my whole house. My server is wired, Windows 10 machine is ...
2
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0answers
141 views

How does network manager identify a connection over usb0?

Here's a thing I'm trying to solve: I have a PC running Ubuntu 14.04 and an ARM board running some Linux. I want to have RNDIS-ethernet-over-USB connection between the two, and I want network manager ...
0
votes
2answers
549 views

DNS is not working, /etc/resolv.conf is not overwritten. Why?

I have this configuration in my server in the Network Manager connection: /etc/NetworkManager/system-connections/wired-connection [connection] id=wired-connection uuid=0c501f08acc5497cb7... ...
2
votes
1answer
502 views

Is the file '/etc/network/interfaces' ignored when I use the Network Manager?

I had this configuration in a server /etc/network/interfaces auto em1 iface em1 inet static address 192.168.1.250 network 192.168.1.0 netmask 255.255.255.0 broadcast 192.168.1.255 ...