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

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125 views

OpenVPN Disconnects every 60 minutes and asks to login again

I am running Ubuntu 14.04. I have installed openvpn. I use the vpn by enabling it thru the terminal with Sudo openvpn (filename), then I login and it connects fine. I have noticed that it will ...
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63 views

Network manager icon does not appear for atleast 3-4 mins after the system starts in Ubuntu 14.04

I typed nm-applet in terminal. Displayed: (nm-applet:3253): nm-applet-WARNING **: Could not find ShellVersion property on org.gnome.Shell after 5 tries Also after this 2 network manager icon ...
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65 views

Can't connect to wired network

this is my first ask in Ask Ubuntu :) I'm trying to adapt to Xubuntu, because I come from Windows. I didn't have so much problems, I had someones with my AMD driver but I solved it. I was using wifi ...
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52 views

Ubuntu LTS 14.04 - Mobilebroadband has connections that cannot be removed

I have connections in mobile broadband that cannot be removed. One of the name of the connection is as below. /413050114000449/context1 How can I remove this entry? This is really annoying for me?
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0answers
30 views

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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0answers
95 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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0answers
144 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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439 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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17 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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112 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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42 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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1answer
3k 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
64 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 I ...
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179 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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97 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
139 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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61 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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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 ...
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0answers
54 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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261 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 ...
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1answer
220 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
1k 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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942 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
388 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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222 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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1answer
49 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 ...
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19 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 ...
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37 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 ...
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0answers
65 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, nm-...
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220 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 ...
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1answer
59 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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46 views

Low speed and problems in USB tether

I have strange mtr result, this is google.com mtr result: DEMON (0.0.0.0) ...
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0answers
175 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 ...
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0answers
792 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 ...
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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). ...
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0answers
40 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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91 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 ...
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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 ...
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1answer
299 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 ...
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319 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 ...
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2answers
798 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... type=...
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0answers
101 views

Modem 4G (HiLink) + network-manager

How establish a connection (internet) with this type of modem (HiLink) and network-manager? Doesn't matter how I try modem disconnects after few seconds. ł.o.
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1answer
1k views

wlan0 is missing

My laptop wlan0 missing after apt-get upgrade. It works well before. ifconfig only lists lo and eth0 now. iwconfig give no wireless extension error. $ iwconfig lo no wireless extensions. eth0 ...
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1answer
3k views

Can't connect to WiFi with “Connection activation failed” error after upgrade from 14.04 -> 15.04

I recently upgraded from 14.04 to 14.10 to 15.04 in succession. I lost internet capabilities each time, thanks to my having to use a Realtek WiFi dongle. I was able to resolve those issues both times,...
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0answers
37 views

New and Inexperienced: Wifi networks not being detected suddenly

I know very little about Ubuntu or programming, or really anything, but I'm helping a friend get a stable OS on his computer since some jerk nuked his entire hard drive, OS and all (me). For a while ...
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0answers
333 views

Cisco VPN not connecting: no ifupdown configuration found

I am trying to connect to a Cisco VPN network using network-manager and vpnc. Until one week ago everything was working fine. Now suddenly the connection fails. The Log: Jul 25 21:09:12 fiedler-...
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0answers
89 views

Make specific network interface only for specific ip range

I have two network interfaces, one (eth0) is just simple gigabit ethernet which is the main connection of my computer (Ubuntu 14.04 LTS), however I have another - Apple usb-tethering connection (eth1) ...
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0answers
53 views

Network conn problem when wifi and ethernet are active

I have ubuntu 15.04 64 bit , when the laptop is connected to the house's network using Wifi and ethernet at the same time I don't get network connection . But each one works alone . How can i get ...
0
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1answer
34 views

Networking indicator missing in Ubuntu 14.04

Networking indicator missing in Ubuntu 14.04 When I update my system and then restart, my system network indicator is not shown in unity panel. I try to edit: Exec=dbus-launch nm-applet in /etc/xdg/...