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

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75
votes
13answers
237k views

How do I add a DNS server via resolv.conf?

Is /etc/resolv.conf useless in Ubuntu 12.04 LTS (Precise Pangolin)? I see that the DNS server information is stored in NetworkManager now. The nmcli command line tool can list that for you. If I ...
32
votes
1answer
29k views

Connect/disconnect from VPN from the command line

I have two VPNs setup on my Ubuntu machine, one using vpnc and one using PPTP. These were both setup using the GNOME network manager interfaces and work great. However on occasion I need to access ...
30
votes
2answers
52k views

How to connect and disconnect to a network manually in terminal?

Since the network manager is troubling me so much I want to replace it (possibly wicd orNM from ppa:volanin). I do not know how to connect and disconnect to the network through the terminal without ...
23
votes
4answers
33k views

NetworkManager not populating resolv.conf

I recently upgraded from 11.10 to 12.04, and now NetworkManager isn't populating /etc/resolv.conf when connecting to wireless networks, when it had been working perfectly in 11.10. I'm not seeing any ...
23
votes
7answers
26k views

Network manager forgets wireless password after sleeping or powering off

Every time I restore my computer from sleep or turn it on a window pops up asking for my wireless password. Once I enter it it connects successfully, but this happens every time. I'm using Ubuntu ...
21
votes
8answers
26k views

What is the proper way to change the DNS IP?

I suspect that the name server provided by my ADSL modem/router is buggy. Whenever I browse to a website for the first time in ubuntu, resolving the domain name takes at least 15 seconds. To work ...
21
votes
6answers
17k views

Can I use NetworkManager without a tray/dock/bar?

I would like to use NetworkManager, but prefer a keyboard driven window manager that provides as much space on the screen as possible for my code. I just hate that little strip of real estate "trays" ...
20
votes
3answers
27k views

How do I setup OpenVPN so I can securely use the internet from an unsecured hotspot?

Goal: I want to be able to securely use the internet via my home PC while my notebook is connected to an open hotspot/access point. I do know that I can use a SSH tunnel/SOCKS proxy, but I don't want ...
19
votes
3answers
10k views

What is the difference between Network Manager and 'ifconfig' 'ifup', etc?

Ubuntu seems to provide at least two network "toolsets" (for lack of a better term). I'm running into conflicts between these two. Network Manager Something which is more like the traditional ...
19
votes
3answers
7k views

How do you configure desktop for a static IP address?

By default Ubuntu uses DHCP and Gnome NetworkManger to configure interfaces. This is not optimal in many cases. How to configure a desktop machine for a static IP address that applies to all users? ...
16
votes
4answers
32k 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 ...
16
votes
4answers
5k views

Use Network-Manager to connect to a WiFi Access Point on the command-line

I'd like to connect to a wireless access point from the command-line. Ideally, I'd only need the name of the AP. But the hardware-address would work as well. I know I can use nmcli to connect to a ...
15
votes
1answer
21k views

Where to set proxy ignore list?

I upgraded to ubuntu 11.10 from 11.04, shocked to see few things... My system is behind a proxy, so I did set a proxy setting. Being a web developer, I want to remove a lot of addresses that I type ...
15
votes
2answers
20k views

Network manager indicator missing

I recently upgraded from 11.10 to 12.04. My first attempt failed, and I received an error stating that not all of the required packages were downloaded. Before (successfully) attempting again, I ...
14
votes
5answers
3k views

Will ConnMan replace NetworkManager on the desktop for 11.04?

In the 10.10 release, Unity on the netbook edition used ConnMan. As Unity is now moving to the desktop for 11.04, will that mean that ConnMan will replace NetworkManager on the default Ubuntu desktop ...
14
votes
2answers
10k views

How do I change / spoof my MAC address and easily switch between multiple ones?

My router can do port-forwarding based on MAC addresses. That is, a specific MAC will get a specific IP, for which I can configure a set of ports to be forwarded. In order to easily change that set of ...
14
votes
2answers
2k views

How migrate my keyring (containing ssh passprases, nautilus remote filesystem, pgp passwords) and network manager connections?

I changed the disk on my laptop and installed Ubuntu on the new disk. Old disk had 12.04 upgraded to 12.10 on it. Now I want to copy my old keyring with WiFi passwords, ftp passwords for nautilus ...
13
votes
2answers
17k 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?
12
votes
5answers
7k views

How to disable notification from network-manager

Can i disable all libnotify related notification from Network Manager ? 'Edit Connection' dialog doesn't help out
12
votes
2answers
16k views

Troubleshooting failed VPN connection

Is there anyway to get an error log for a failed VPN connection attempt? All I get is this notification and I have no idea where to go from there:
12
votes
1answer
1k views

Why are two indicator-network versions being worked on?

Some months ago, on the road to Ubuntu Maverick, a new system indicator, network (with connman as a backend), started to be developed. The plan was to get it into UNE and release it with no ...
11
votes
4answers
9k views

Network Manager or WICD?

A couple of years ago when I first began using Ubuntu I had issues with Network Manager and so I switched to wicd which works perfectly. (I forget the exact issues, but wicd solved the problems) I am ...
11
votes
4answers
12k views

Make Network Manager restart after dropped connection?

Using Ubuntu 11.10 (Unity 3D) and a cable (DSL) internet connection with no router or modem. If I disconnect my internet connection, I can just reconnect by clicking on the network manager icon and ...
10
votes
4answers
6k views

Why does Network Manager always ask for my keyring password?

This is a small nuisance I've had in Ubuntu forever. When I set my computer to login automatically, Network Manager asks me for my keyring password every time it boots and it refuses to connect to the ...
10
votes
3answers
6k views

No Network Manager icon in the notification area, so I can't use my VPN connection

I've added a VPN using System > Preferences > Network Connections. However, I can't see how to switch it on, because there's no Network Manager icon in the notification area! nm-applet is running as ...
10
votes
1answer
3k views

How to manage available wireless network priority?

I'd like to move up and down available wireless access points, setting priorities as we can do in MS Windows. I can't remember to have ever succeded in this since using network-manager. Maybe ...
10
votes
3answers
21k views

How do I create a non-adhoc wifi hotspot?

I wanted to use my desktop with a wired ethernet connection (eth0) to operate my "TP-LINK TL-WN722N" USB Wifi Adapter (wlan0) as a non-adhoc (infrastructure mode) access point for my Android to ...
10
votes
4answers
20k views

Editing network interfaces without system rebooting

I'd like to make some changes to my networking configuration by editing my /etc/network/interfaces file. What's the cleanest way to make changes to this file and have them take effect, without having ...
9
votes
3answers
10k views

DNS server address no longer stored in resolv.conf; where is it now?

I sometimes switch DNS servers, using the NetworkManager indicator in the taskbar; this worked fine with previous versions, and actually works fine with 12.04, too, except for one thing: I use Conky ...
9
votes
1answer
2k views

Automatically disable wifi (wireless) when wired?

What's the best way to automatically disable my Wifi/wireless connection whenever I plug in a wired Ethernet cable? I'd like it to be re-enabled when I later unplug the wire. Also, I sometimes like ...
9
votes
1answer
7k views

Where are the network manager logs?

A previous poster on the regular forums ( http://ubuntuforums.org/showthread.php?t=843991 ) said /var/log/daemon.log, but I don't seem to have such a file. Do I need to enable logging?
9
votes
4answers
1k views

How to direct Ubuntu to use USB connection for Internet

I posted yesterday regarding how to configure easytether on Ubuntu. I followed the steps and everything looks good from the terminal. But I am not able to connect to the Internet. Currently I am ...
9
votes
2answers
4k views

Connecting to VPN prevents access to normal web sites

I have Ubuntu 10.04 installed with OpenVPN, and when I connect to a VPN, http access to non VPN sites stops working, until I close the VPN connection. To be more specific, both Chrome and Firefox stop ...
8
votes
2answers
4k views

How can I add the Network Manager Applet to the panel after removing?

In rearranging the panel, I removed the Network Manager Applet. I tried to add it back, but it doesn't show up in the list (Add To Panel). I can start it up and see it as a running process ...
8
votes
4answers
8k views

Cannot Import VPN connection

Since 12.04 I cannot connect to my VPN. my ovpn file is the following http://email.uoa.gr/help/download/vpn/edunet.ovpn When I try to import the VPN file i get the following error The file ...
8
votes
6answers
13k views

What are the alternatives to Network Manager for wireless?

I was wondering if there are any GUI alternatives to the Network Manager. It seems, I always run into problems with it (unstable connections, wrong icon shown, wrong notifications, etc.).
8
votes
2answers
1k views

Multiple network connections, where does traffic get routed through?

My thinkpad has two network interfaces, one wired and one wireless. Both interfaces can be connected to a router which in turn is connected to the Internet. If both interfaces are connected, are both ...
8
votes
1answer
3k views

Is dnsmasq not loading because of a Network Manager conflict?

I'm on 12.10, and have always used dnsmasq. A few days ago I noticed strange messages during boot: NetworkManager[1316]: <warn> DNS: plugin dnsmasq update failed dnsmasq[1302]: failed to create ...
8
votes
4answers
4k views

How can I make NetworkManager ignore my wireless card?

I do not want NetworkManager to list or manipulate my wireless card. Can I hide its interface from NetworkManager somehow? I have tried adding this in /etc/network/interfaces, iface wlan0 inet ...
8
votes
2answers
957 views

How to stop Network Manager from continually prompting for wireless password

How do you prevent Network Manager from continually prompting for wireless password when it tries to reconnect after the connection temporarily drops? Unlike this post, this happens for me without ...
8
votes
2answers
503 views

Link-Local Connection to Device Not Working

I am trying to connect to a device over link-local via IPv4. I've done my best to configure the GigE port correctly. When I turn the device on, the Ubuntu (12.10) gui pops up an icon saying I'm ...
7
votes
3answers
36k views

Setting VPN Client

I need to access VPN from my Ubuntu 12.04. I see that there is VPN connections > Configure VPN in network manager, but it asks for username and password. All I have is some .crt, .csr, .key, .ovpn ...
7
votes
3answers
14k views

How To Debug and Fix PPTP/VPN Client Connection

I am asking a question, which has two sub-questions. Those are how can I get VPN to work on Ubuntu 12.04, either by getting the built-in pptp VPN to work or through manual configuration. Microsoft ...
7
votes
6answers
6k views

NM-applet's VPN menu disappears

I spend my days hopping between VPN connections in Ubuntu 10.10 and this is becoming severely annoying. What happens is that every once in a while - typically several times a day - when I click on the ...
7
votes
2answers
7k views

What is my DNS server?

My /etc/resolv.conf looks like this: # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver ...
7
votes
4answers
12k views

Network Manager stops working after an update to ca-certificates

Fresh Beta install on Aspire 5741 (NEW70) - network ok After installation, run update (485 updates) - install completes ok After update and reboot, Network Manager fails to open. Unable to connect ...
7
votes
3answers
12k views

Config import on network-manager-openvpn

I'm trying to use a free service using the OpenVPN protocol using OpenVPN's GUI module in the network manager. The config worked perfectly well as .ovpn on Windows. The behavior in Windows is such ...
7
votes
5answers
26k views

Wired Connection shared with other computers connects then disconnects in the nm-applet [closed]

connecting with shared with other computers connection in NetworkManager. Other computer gets IP but NetworkManager disconnects the shared connection after half a second. This same setup worked ...
7
votes
4answers
4k views

Getting network manager on the gnome panel

I've just installed 10.10 from a minimal iso. I've installed gnome-core and the network manager (among a few other things), and I've added the notification area to the panel. According to the system ...
7
votes
1answer
2k views

How to set an NFS network?

I want to merge information found here and there in order to record in one answer all steps to set my NFS network between my two Ubuntu PCs This is useful time to time, for example when switching to ...