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

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23 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 ...
1
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0answers
12 views

Internet Connection not being picked up

My dad has ubuntu installed on his PC, and up to now we haven't had any issues with it. However a couple of days ago it auto-updated to a new version of ubuntu. Looking at the details in settings, it ...
0
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0answers
5 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.
1
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1answer
21 views

DNS issues with Cisco VPN (vpnc) on 15.04

I'm having issues with DNS resolution of on-network servers. I can get them directly via IP address, however DNS lookup fails. Notes: I configured the VPN connection via NetworkManager. The ...
0
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1answer
24 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 ...
0
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1answer
23 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 ...
1
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0answers
15 views

Wifi stopped working after resume or reboot Ubuntu 14.04

I have a dell vostro laptop with Ubuntu 14.04 dual boot with windows (wifi is working with windows). The wifi stopped working after resume/reboot. Wifi is unable to detect any networks. PFB the ...
0
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1answer
13 views

How to keep alive a wifi connection on a laptop

I have a Dell Mini 9 running Ubuntu 14. The wifi seems to work well, but only as long as I use it. I've noticed that if I leave it idle, and then try to ping or SSH into it, it's disconnected from the ...
3
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2answers
6k views

Bridging: Loosing WLAN network connection with 4addr on option - Why?

Question: For use with my Xen VM, I need to create a virtual network interface (vif) that is bridged to wlan0. If in /etc/network/interfaces I add auto xenbr0 iface xenbr0 inet dhcp And ...
0
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0answers
95 views

IPSEC/L2TP Ubuntu Studio 14.04 (Strongswan)

My first question: Does Ubuntu support IPSEC/L2TP/PSK vpn CLIENT? My Second Question: Is there a front end "Network Manager" that supports IPSEC/L2TP and PSK? Background: In my endeavors I came ...
0
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0answers
11 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 ...
8
votes
5answers
719 views

I accidentally deleted the network-manager and don't have access to internet anymore

I cannot connect to any wifi connection since I deleted the network-manager. Is there any way to get it from another computer and then install it on mine or is there a way I can get an internet ...
0
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0answers
16 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 ...
2
votes
2answers
204 views

nm-applet gives errors

nm-applet always gives me a hard time when connecting to wireless. I often have to restart it and make several attempts till it connects to a network. Sometimes even restarting the computer doesn't ...
2
votes
3answers
4k views

Huawei E303C Problem / Problema con Modem Huawei E303C

TRANSLATED: I am really a new Ubuntu user, but for some time ago, I have tried Xubuntu and I liked it. Because of this I went a little further to Ubuntu. Right now, I am having this problem. I use ...
0
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0answers
24 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 ...
1
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1answer
40 views

Ubuntu 14.04 detects Vodafone 3g dongle, but fails to connect

Earlier I used Ubuntu 12.04 where my Vodafone 3G Dongle (HUWAEI modem) used to connect seamlessly via network manager Mobile Broadband. Now I have upgraded my system and using Ubuntu 14.04, but ...
0
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1answer
38 views

networking disabled, cant re-enable

For some reason I seem to get disconnected from my wifi as noted by the nm-applet going to the disconnected icon. When I hover the mouse it says networking disabled. When I click on enable networking, ...
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0answers
19 views

Huawei E3531 3G modem: no surfing while downloading [closed]

I have a Huawei E3531 3G modem. The problem is that I cannot access any URLs while I'm downloading a file or loading a video; so I must wait for the video or the download to complete to be able surf ...
2
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4answers
5k views

Tata Photon Plus not working in Ubuntu 12.04 though configured and was running once upon a time.

I have installed Ubuntu 12.04 few months back. My modem, Tata Photon Plus got connected after a number of unsuccessful trials and I browsed the net successfully. But since a month, it is not getting ...
0
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0answers
15 views

dns forwarder dnsmasq not working . . .?

I installed lubuntu 15.04 into a VirtualBOX vm and am using openvpn to connect to PureVPN service. I lose connectivity after an unknown amount of time. Disconnecting the VPN doesn't help. I've ...
1
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1answer
15 views

How can I reinstall dnsmasq?

I accidentally removed dnsmasq from my computer by running rm /etc/init.d/dnsmasq I was working in root when I did it. I was trying to learn how to stop DHCP and just messed up. (Now I can't ...
1
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1answer
36 views

“Network error: Connection refused” in Putty when I'm trying to connect to my remote home Ubuntu server

I just set up a linux home server using http://linuxhomeserverguide.com/. I can connect to it from my desktop PC at home via putty using a local ip like 192.168.1.2 (just an example ip), but I want to ...
0
votes
3answers
6k views

How can I figure out what polkitd is doing with so much of my system's resources?

I'm running 13.04 on an acer c7 (chrubuntu 12.04 install then two system upgrades) and now whenever I use my computer for more than a few minutes, it slows down as polkitd, dbus-daemon, ...
3
votes
1answer
5k views

Reset network configuration in ubuntu 12.04

My DSL internet did not connect by network-manager! So I tried to use sudo pppoeconf and my laptop connect to internet successfully. After that my problems are started! First of all network-manager ...
0
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0answers
23 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) ...
0
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0answers
23 views

Slow network for same sites [on hold]

Various sites too slow and in many cases not open as the site of the chrome web store, Youtube. I tried this ~ nm-tool | grep DNS DNS: 127.0.0.1 DNS: 192.168.25.1 DNS: ...
1
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1answer
25 views

Why is the state of my NetworkManager changed when I unplug my iphone 4s?

Ubuntu 12.04. iPhone 4s, iOS 7.0 I never noticed that a mobile device could activate/deactivate the Network status of my computer, kind of a surprise .. So what's the point of this network change? ...
3
votes
2answers
4k views

Why Network Manager Can't Detect My ZTE USB 3G Modem!

I am using ubuntu 12.10. I use a ZTE USB 3G Modem to connect to internet. I connect that modem through a driver software which was provided with the modem. This modem works fine. I can browse , use ...
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votes
0answers
15 views

how to connect mobile broadband [closed]

i am unable to connect my mobile broadband on ubuntu 15.10 there is no mobile broadband option in the network settings i can only see VPN, BOND, TEAM, BRIDGE, VLAN no mobile broadband option
18
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5answers
55k views

How can I use a .ovpn file with Network Manager?

I have a .ovpn file with my VPN config - it works fine when I do sudo openvpn --config ~jrg/Documents/vpn-config.ovpn in the terminal, but I'd like to use Network Manager. How can I do this?
1
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1answer
3k views

Getting HUAWEI Mobile Broadband E173 to work in Ubuntu 13.10

I'm trying to get a/an Huawei E173 Mobile Broadband USB device to work with the Network Manager components in the GUI (Ubuntu 13.10). I'm having no luck, but I can get it working successfully using ...
1
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0answers
33 views

unable to connect to pptp vpn [closed]

Fresh install of Lubuntu 15.04, with network-manager, network-manager-pptp, pptp-linux, network-manager-pptp-gnome added. The following is from syslog: Jul 18 10:11:58 {my-system} ...
4
votes
2answers
2k views

DSL connection problem after installing Ubuntu 15.04

I have just installed Ubuntu 15.04. I tried to connect with my broadband DSL connection. When I entered the cable it was showing that it could recognize the cable. Then from edit connection I added a ...
1
vote
3answers
5k views

How to find name of currently-active network interface?

I need to get the name of the network interface (e.g. eth0, wlan0) that is the currently-active one, the one sending and receiving traffic at the moment. When it's connected to WiFi, it would be wlan0 ...
2
votes
2answers
1k views

Why doesn't Ubuntu automatically disable wireless networking when a wired connection is active?

When I have Wireless enabled and plug in my Ethernet cable, the wireless connection stays active, even when the wireless and wired connections are through the same network. I'm aware of this question ...
0
votes
0answers
14 views

Has anybody got a fix for Wireless Network Authentication removal of connect button functionality? Denial of Service

I really needs some help urgently here folks as we are without internet that can only realistically be achieve wirelessly due to cable impossibilities. Something happened this evening whereupon both ...
0
votes
1answer
14 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 ...
0
votes
1answer
75 views

How to connect to two VPNs at the same time?

At my university, I have to connect to the local VPN in order to be able to connect to the Internet, at the same time, I want to connect to another VPN. What should I do?
0
votes
0answers
86 views

How to configure IPSec VPN on Ubuntu 15.04

In order to connect to the VPN I only need a few configuration options: server.domain.name PSK user pass What is the proper way to configure an IPSec VPN connection on my Ubuntu 15.04? I installed ...
0
votes
0answers
29 views

Wifi keeps disconnecting in Ubuntu 14.04 LTS

I have a Lenovo Y-5070 Gaming Laptop which I purchased in December 2014. I have dual booted my laptop, Windows 8.1 alongside Ubuntu 14.04LTS. It came pre installed with Windows 8.1, but for project ...
2
votes
0answers
325 views

Mobile Broadband Not Enabling [duplicate]

I am using a Qualcom Broadband (EVDO) dongle on Ubuntu 13.04. I have used this dongle well for a number of days on Ubuntu 13.04 but recently I had to do a fresh install of Ubuntu 13.04 but when I try ...
0
votes
2answers
47 views

Network Manager (as well as wicd) don't connect to Wifi

I experience an error on Ubuntu 14.04 Trusty Thar with my Wi-Fi. After installing Ubuntu some months ago, I did not have any problems. Just recently I followed this guide on what one should do after ...
2
votes
1answer
76 views

Obtaining automatic IP with network-manager fails, but static works with wicd

Update I've connected to my home router with wicd and a static IP. Thus, the problem seems to be that my laptop cannot get an IP address automatically. Hence, the main question now is: How can I get ...
5
votes
4answers
6k views

Is it possible to use nmcli completely without nm-applet?

Since I don't use GNOME now and try wmii, the nm-applet is no longer available for me.I know there is nmcli for the control. What I'm really interested in is that can it really be a substitute for ...
0
votes
1answer
324 views

How To fix a PPTP VPN client connection (Ubuntu on VirtualBox)

I have just installed Ubuntu 14.04 on VirtualBox and I'm trying to set up a VPN client. I have configured it with the same settings I use on a Mac and I am able to connect from that without any ...
0
votes
0answers
15 views

Create openvpn connection without saving Password

I'm trying to setup an openvpn connection to our production environment using networkmanager-openvpn on ubuntu 14.04. Yes, I know how to do it using sudo openvpn ...conf.openvpn. That's not what this ...
0
votes
0answers
12 views

Does not shown the network manager indicator and does not get DHCP IP from server? [duplicate]

I was working in Ubuntu 12.04. In that the network manager does not get IP address from server also the network manager icon missing. The nm-applet also missing. Can anyone suggest me how to solve ...
13
votes
5answers
41k views

How can I completely remove NetworkManager?

I want to disable NetworkManager entirely, and have my eth0 and wifi connections unmanaged. My eth0 on my main linux box is unmanaged and I have no issues with it, I want to do the same to my other ...
0
votes
2answers
100 views

NM broken on new install - not saving oVPN pwd or init mobile PPP

I've (re)installed 15.04 on my X1 Carbon (migrated back from Fedora). Initially I tried restoring /etc/NetworkManager, but that got me nowhere fast, so I reverted to the stock's backup & manually ...