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

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21 views

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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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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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 ...
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0answers
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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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
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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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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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 ...
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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
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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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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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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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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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 ...
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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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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
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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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 ...
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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 ...
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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 ...
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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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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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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 ...
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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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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, ...
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0answers
27 views

I cannot create a Wifi connection for Hotspot

I created a hotspot for my phone by using the instructions provided in here: http://ubuntuhandbook.org/index.php/2014/09/3-ways-create-wifi-hotspot-ubuntu/. After using it for some while, I decided ...
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2answers
45 views

etc/network/interface empty no internet connection

My internet connection has gone suddenly and I find my /etc/network/interfaces is completely empty, I can't ping my router and ifconfig for eth0 shows no ip address or broadcast address, I tried ...
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0answers
9 views

Use VPN route only for vpn range

When setting up a VPN connection using the UI (System settings => Network) the VPN connection is used as the default route after connecting to it. How can I avoid this? That is without assigning ...
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12 views

Where is created Wifi hotspots located?

I use my small homeserver as Wifi hotspot. Usually I just use the ad hoc "internet sharing" hotspot feature in NetworkManager. Today I created a new Hotspot, without password, because I needed it for ...
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1answer
24 views

/run/network/ifstate keeps getting reset on reboot

I find that my /run/network/ifstate file keeps getting overwritten on boot. On this session I'd edit it to $ cat /run/network/ifstate lo=lo wlan0=wlan0 eth0=eth0 But on next session (after a ...
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0answers
21 views

How do I get NetworkManager's dnsmasq to work properly?

I have decided to give Ubuntu another shot, but I am running into some road-bumps after getting it installed. Namely, NetworkManager is not playing well with DNS. I am trying to get networking ...
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0answers
99 views

Error: “The system network services are not compatible with this version.”

I've been using Ubuntu 14.04 since 3-4 weeks now, and I suddenly encountered this error upon starting my computer today. It should be noted that the internet works, but I am unable to see the Wifi ...
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0answers
14 views

OpenVPN disables DNS due to firewall

I'm trying to use an OpenVPN service with Network Manager. When I'm on wireless and activate the VPN, it works flawlessly, but when I'm on a wired connection, I have no Internet access. Through trial ...
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1answer
79 views

Laptop can't find my home wifi network

The laptop has Ubuntu 14.04, it shows neighbors networks and it was working fine before. My phone and desktop connect to my home Wi-Fi with no problems. This has happened a few times before but in ...
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0answers
16 views

Remove interface from network list

So following the instructions from here I was able to disable NetworkManager from managing some of my network interfaces. Annoyingly though, they still show up in the list of interfaces. Does ...
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1answer
33 views

Run command when ethernet is disconnected

Is there a way to execute a command in ubuntu when an ethernet cable is disconnected/connected? There's a notification when a cable is plugged in or removed, so I assume there is some way to do this.
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0answers
13 views

I can connect to the network even though the network indicator says “disconnected”

When I disconnect from the network using the network manager tray "disconnect" command, I can still browse the Web and ping servers even while the menu shows me as being "disconnected". I have only ...
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0answers
22 views

Disconnecting and reconnecting to the network via suspend or network manager disconnects from OpenDNS

I use OpenDNS on my wired network connection for resolving DNS queries (as shown here). This works normally from system start up as can be verified from visiting the OpenDNS test page at ...
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0answers
19 views

Network Manager OpenVPN

Does anybody know how to use Network Manager with OpenVPN TLSv1.1 and TSLv1.2 ? It seems a shame that network manager doesn't have any advanced options that allows you to enable/disable some features ...
2
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0answers
36 views

Is it normal that network-manager manages virbr0? [closed]

I recently upgraded to vivid (I know it's still WIP), and have found that network-manager shows an interface virbr0 as Connected. virbr0 is an interface added by libvirt to handle networking ...
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2answers
90 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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1answer
40 views

How to disable wireless from command line

How do you disable the wireless Internet from the command line? I tried sudo ifconfig eth1 down but network-manager seems to ignore this and keeps trying to reactivate it. What's worse is the ...
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1answer
48 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. This time I ran it from CLI and I got this: ** ...
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1answer
56 views

wlan1 interface disappeared from ifconfig

I was trying to make a virtual interface on my wlan1 card (like set hostednetwork from windows) by editing /etc/network/interfaces: auto wlan1:0 iface wlan1:0 inet static address 192.168.4.1 netmask ...
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1answer
229 views

Wifi stop working after while on Ubuntu 14.04.2

Yesterday I bought new laptop Lenovo E540 and I installed here Ubuntu 14.04.2. But I've problem with my wifi (router is Dlink g version). I can connect to wifi without problems after turning on ...