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

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Only allow one random IP access a specific port

I have seen a SOCKS 5 proxy service provider, it provides: Basic package: the same account (corresponding to a specific port) only one terminal at the same time Platinum package:the same account ...
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2answers
3k views

How to save VPN passwords with NetworkManger for nmcli?

There are many posts about putting VPN passwords into /etc/NetworkManager/system-connections/<connection>. I can't get any of them working on Ubuntu 12.04. The fields in the questions and ...
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2answers
2k views

Shutdown Hangs for 5 Minutes on Kubuntu 14.04

I've had persistent problems with a 5 minute hang at shutdown for the last three versions of Kubuntu (13.04, 13.10, and now 14.04). I suspect this is not a KDE-specific problem. Recently, I performed ...
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0answers
13 views

Openvpn with network-manager

So I've been trying to setup openvpn with my VPS like this: Raspi: provides route to home lan. Have set up routes on router already. Laptop: use when out and about by connecting to vps via openvpn ...
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1answer
40 views

Ubuntu linking two wireless networks and sharing internet connexion

I must at first say that I'm a total noob regarding networking. I have two wifi adapters (wlan0 and wlan1). wlan0 is connected to a wireless router that is not connected to internet. wlan1 (a long ...
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6answers
35k 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 ...
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0answers
26 views

Network folder access

I am new to Linux so there are quite few tasks that are new to me. First I am using DSL connection and wire is connected to wireless router and that is how we connect to internet at home. But if I ...
18
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3answers
21k 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 ...
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14 views

cannot increase txpower on ar9285

I try follow commands but nothing happened: ifconfig wlan0 down iw reg set BO ifconfig wlan0 up iwconfig wlan0 iwconfig wlan0 channel 8 iwconfig wlan0 txpower 17 With sudo and without sudo! But ...
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1answer
15 views

Issue with gnome-connection-manager

I use Ubuntu 14.04 with gnome-connection-manager. Everything worked well, but then gnome-connection-manager crashed and now I can't start it. The process is not running and a reboot did not help. ...
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2answers
60 views

Wireless randomly disconnects from time to time

For some reason, my laptop's wireless connection randomly disconnects from time to time. It may suddenly disconnect when I'm editing a Google Docs file, when I'm cleaning my files or when I've walked ...
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0answers
15 views

What layer(s) in network stack does WICD or gnome Network Manager manage?

Does WICD or gnome Network Manager manage what layer(s) in network stack: application layer transport layer network layer link layer physical layer My guess is the answer includes network layer, ...
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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 ...
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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 ...
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1answer
57 views

Have internet connection but can't ping External sites

I have an Internet connection and can browse, but I can't ping the google DNS, ping 8.8.8.8 nor can I ping google.com Any ideas why this might occur?
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2answers
3k views

Why do none of my local servers resolve?

When I try to ping or browse using a web browser certain domains names that we host on our local network, it does not work. Yet, dig and nslookup correctly return their details. What do I need to do ...
2
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1answer
20 views

KDE Network Manager Notification Options Not Available

KDE Network Manager is suppose to have notification options for Connection Activated or Deactivated are missing here. I am on Kubuntu 14.04 LTS fully updated. You can see in the picture that some of ...
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3answers
3k views

override dns nameserver [duplicate]

i wish to set higher priority for my dns nameservers, or override the ones that are being set by the dhcp server. no matter which approach i took, nslookup never displays the right dns nameserver. ...
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0answers
15 views

Implement Catch-all HTTP Server using DNSMASQ

Ubuntu 14.04 | dnsmasq My goal is to setup a catch-all HTTP server using an Ubuntu 14.04 workstation as DNS resolver. I have installed dnsmasq on my Ubuntu 14.04 OS using apt-get install dnsmasq and ...
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0answers
15 views

Query the DNS server(s) that are used for VPN

Is there a robust way to show which DNS servers are currently used by dnsmasq? The suggested Command-line to list DNS servers doesn't seem to help when VPN is active, and searching in syslog is not ...
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1answer
23 views

How to block access to all SSIDs except for a preferred SSID

I work in an enterprise environment and I need to block access in Ubuntu 14.04 to any unapproved SSID in a lab setup. The client only wants users in the lab to be able to access one specific SSID and ...
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 ...
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3answers
30 views

Ubuntu Network manager

I uninstalled network-manager from my Ubuntu-gnome, so I don't have internet connection. How can I reistall it.
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0answers
2k views

OpenVPN on Ubuntu 14.04: Auto Connect on startup

There are a lot of topics concerning this. OpenVPN Auto Connection by putting the conf file to /etc/openvpn just doesnt work. When using the Authentification type "password" an easy way to make it ...
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2answers
90 views

WiFi connection to router but no Internet connection?

I installed Ubuntu on my EasyNote-TM86 today. I can't access any websites although I am connected to my router. Other devices (including my laptop before I installed Ubuntu) are able to establish a ...
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2answers
4k 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 ...
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0answers
6 views

Can I specify which VPN connection “wraps” another?

I have a VPN connection (say private) setup on a server, which is used as access point. Now, sometimes, I need another VPN connection (say business) to be established (specifically, a cisco one) in ...
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19 views

Network is not working after installing some updates in Ubuntu 14.04

Everything was working fine in my Ubuntu 14.04, when I installed some updates last week network is no more working. sudo uname -a Linux bhupendra-VirtualBox 3.13.0-48-generic #80-Ubuntu SMP Thu Mar ...
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2answers
4k views

problem im my key 3G “Connection activation failed” in 14.04

I have a little problem in my Trusty. To beginn with, my mobile broadband works 100% but there is another connection that appears to be simultaneous. /605020701514404/context1 ...
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2answers
3k 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 ...
0
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1answer
29 views

network-manager won't show same SSID hotspots!

I'm currently using WICD and it shows 4 different hotspots and their details (channel, etc). These 4 hotspots have the very same SSID. I can connect to whichever I want. So far so good. The thing is, ...
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0answers
19 views

VPN connection 14.04-Not able to connect

I have installed Ubuntu 14.04 and it seems like I cannot connect to a VPN connection. I am very new to Ubuntu. All the add ons of genome network manger shows checked and installed. I am able to ...
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0answers
18 views

how to change my network configuration files to fix “failed to fetch” error [duplicate]

I'm very new to linux, and every time I try to sudo apt-get something, it gives me the error described in this forum: A "failed to fetch" error occurs when apt-get update is run. How do I ...
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2answers
89 views

How to connect to a VPN without using Unity network manager?

I have set up a VPN connection back when I used Unity instead of XFCE as DE for my Ubuntu 14.10. It worked well, but I can't find how I have to connect to it now under XFCE. Is there e.g. a panel ...
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0answers
35 views

Need to add route manually to connect to internet

On some wifi networks, I need to add a route manually in order to connect to internet. It seems that network manager only adds a route for the IPs that are in the same private network. $ route -n ...
0
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1answer
43 views

14.04 - Unable to connect Windows PPTP VPN

I am trying to connect a Windows PPTP VPN. I created VPN connection through the Network configuration in the Settings. I configured VPN credentials such as gateway, username and password. Nothing ...
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0answers
19 views

Cant connect to OpenVPN because of Invalid VPN secrets

So I signed up for a vpon and installed it properly and had it working. Yesterday I had a problem where I needed to completely reinstall Ubuntu. I re-set-up my vpn connection and now i'm running into ...
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0answers
11 views

Networkmanager: Always automatically connect to last LAN connection

Using the NetworkManager (actually, I access it through the GUI on Kubuntu 14.10), I have two LAN connections configured. One is using DHCP and one is using manually entered IP settings. Now, when I ...
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2answers
402 views

How to remove multiple network manager applets?

When I typed nm-applet in Alt+F2, I got multiple network menu and I want to remove it. Can anyone help me?
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5answers
54 views

Disable every network permanently

I have Ubuntu installed on an USB device, I need the system isolated from any network (LAN, wifi, bluetooth, etc.) permanently. I read a lot of suggestions but some are user-related, other disable ...
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0answers
7 views

Kubuntu does not accept my WPA-Enterprise credentials / resets them

I have set up a FreeRadius server on a RaspberryPi which is connected to a WLAN-Access Point. I want to log in to the Wifi now, but everytime I enter the network credentials and the CA-Certificate the ...
0
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0answers
35 views

Network manager failing to load etc/network/interface all messed up

I am having major hassles with my system, can't connect to Internet or share files, on boot I am getting the following fails: Configure network interface = fail Configure network device ...
0
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1answer
40 views

VPN Not working, PPtP

today I was trying to set up a VPN. I have all the credentials and everything entered, but every time I try to connect, it says this. Here are the pictures for the steps I take to recreate this ...
3
votes
2answers
5k views

Can't connect VPN pptp on 13.10

So I am having the exact issue as was happening in this question here I have also installed a VPN connection via NetworkManager and getting the exact same stack trace. I've looked at ...
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0answers
860 views

How to configure D-Link DWP-156 USB modem to connect only to UTMS/HSDPA?

I am using D-Link DWP-156 USB 3G Modem (http://www.dlink.co.in/products/?pid=DWP-156) with Vodafone India as Carrier on Ubuntu 14.04LTS. It works fine with Network Manager. But sometimes it ...
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1answer
26 views

arp-scan command displays (Unknown)

this command sudo arp-scan --interface=wlan0 --localnet display the following results: 192.168.1.1 *:*:*:*:*:* D-Link Corporation 192.168.1.101 *:*:*:*:*:* (Unknown) why i can't see the name ...
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0answers
46 views

Noob user. No network (wired). Cannot ping router

Let me start by saying I am pretty new to Linux, so forgive my unavoidable noobness and thank you for readning this. I am trying to set up a good environment to learn programming and familiarize ...
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0answers
24 views

How to automatically connect to wifi connection after entering keyring?

After starting up ubuntu, I need to enter my keyring password, which I don't mind. What I do mind is that it is not connecting automatically to a wifi connection stored in the keyring after entering ...
0
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1answer
22 views

A new connection is generated instead of using the new settings

I am trying to set up a static IP address using the nm-connection-editor tool. I select the currently-used wireless network, click edit, go to "IPV4 Settings", click add, enter a valid IP address, ...
2
votes
2answers
3k views

How to install TP-Link MA180 on Ubuntu

I just bought the 3G Modem TP-Link MA180 and I try to install it on Ubuntu 12.10. Problem : Network Manager does not detect it. I saw on the web that usb-modeswith is supposed to handle it, but I ...