NetworkManager is an application tool to simplify the multi network model on a single or multiple interfaces.

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How to start my network in centos7?

I have edited the /etc/sysconfig/network-scripts/ifcfg-enpos2 : BOOTPROTO="static" IPADDR=192.168.1.105 NETMASK=255.255.255.0 NM_CONTROLLED=no I can't surf the web When to reboot,how to start my ...
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86 views

Activation of network connection failed. Kali linux v2.0

I can't connect to internet via wired, adding DSL profile with user and password. While installing kali linux 2.0 there was a warning telling that there is missing non-free firmware ...
0
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1answer
26 views

Error : segmentation fault

My centos 7(1406) giving an error "segmentation fault " while trying to connect to the wireless using nmtui. My other wireless network connected successfully. It has been connected while installing ...
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111 views

Cannot connect to internet after using airmon-ng check kill

In new version of Kali 2.0 with updated "aircrack-ng" tool, there is a problem between Internet connection and using cracking tools. I have my wireless card as wlan0. And the Internet connection is ...
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1answer
16 views

How to set up VPN on debian 8.1

I have been trying to set up a VPN connection by following the instruction on zpn.im but after restarting the network-manager by typing sudo /etc/init.d/network-manager restart and going to create a ...
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0answers
34 views

OpenVPN client config: Route command fails

I want to connect to my company's VPN server, so I can access work resources. I'm running Ubuntu Gnome 15.04, and I've been given an ovpn-file. I installed OpenVPN and run sudo openvpn --config ...
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33 views

Prefer wired over wireless for local subnet using NetworkManager

My wireless network is bridged to my wired network, so both have the same subnet. How do I tell NetworkManager to give the local subnet route on the wireless interface a higher metric than the route ...
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83 views

scp ssh: connect to host 10.0.0.109 port 22: No route to host lost connection

I use SCP command on Debian Linux to transfer a file to my colleague via LAN. But I encounter the problem: $ scp filename.file username@10.0.0.109:/tmp ssh: connect to host 10.0.0.109 port 22: No ...
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1answer
42 views

Restarting all the network in Ubuntu after hibernating

When my Ubuntu 14.04 machine awakes from hibernation, sometimes the network is disable and enabling it does not make it work again. Running sudo service network-manager restart alone does not solve ...
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25 views

ArchLinux - DHCPCD timed out during dual boot installation from USB

I am trying to install a Dual Boot ArchLinux with Windows 7 running already on my machine. I have succesfully "burned" ISO on my USB using Rufus. After botting up, I manage to access Live ...
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30 views

Slow network for same sites (Google mainly)

Various sites are too slow and in many cases not open. Site like chrome web store and Youtube. This just occur with Linux, others machine in the same network works perfectly Strangely, same computer ...
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20 views

Network Manager Applet Not Showing Interfaces

Running Mint 17 After boot my computer connects to the wifi and everything and seems to work fine except that the applet does not show the wifi icon or the connection. It shows the connected logo but ...
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2answers
60 views

Linux network stops functioning after random time (wired)

I'm unsure if this is hard or software issue but I really need to find out. I was running Windows 8.1 for some time, then swapped to Linux mint with kernel 3.13 which worked fine. I updated kernel to ...
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35 views

Debian 8 connecting VPN additional search domain problem

Hi I'm trying to configure the vpn in Debian 8, and using network manager, I'm following the company manual and all goes well except that: In the manual there is a label in IPV4 Settings that says: ...
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8 views

nmcli con does not go down even if interface is physically disconnected?

Trying to understand how Network-manager handles ports. Writing a script which will update port & its state in ovsdb. I physically disconnected a port on a machine , but it did not generate any ...
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0answers
21 views

How to trigger dhcp4-change using nmcli?

Am working on a networking script which will do certain things interface up/down/dhcp4-change events happen. And I need to generate these event through Network manager, not through dhclient. So how ...
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1answer
42 views

How to avoid duplicate connection names? (32) Connection 'Auto Ethernet' is already active on enpXXX

Is there any way that I can make networkmanager to assign some unique names or device derrived name instead of Auto Ethernet so that we can avoid the names conflict? After I've upgraded to Ubuntu ...
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68 views

Why do I get “duplicate” local IP addresses on different interfaces?

I have two network interfaces(a wireless and an USB dongle) attached to an Ubuntu server and both get the same local IP address. Is there any reason for this or a way to force it assign distinct IP ...
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1answer
46 views

network connection only works for a while?

I upgraded my Debian Jessie desktop two days ago but I found that I am not able to connect to internet via eth0 now. I've pinged www.google.com, but it told unknown host; for inet addr and Bcast (in ...
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1answer
16 views

Gnome Shell or Mutter makes X unusable when I kill/restart/etc. tor

I've configured the system to use Tor by setting the SOCK proxy to port 9050 in Settings -> Network -> Network Proxy. At times, Tor takes ages to reconnect after the wifi driver crashes or whatever. ...
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18 views

Wicd cannot detect wireless networks on Point Linux OS

I have just installed Point Linux OS on my PC. The problem is: it cannot detect wireless networks, but it is okay with wired network. Please help me.
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1answer
139 views

CentOS: How is it possible to reset all your network configuration?

I'm not really sure the best question to ask in my situation, so let's go with "How is it possible to delete all your network commands?". Here's the situation: I have a CentOS 7 minimalist CLI ...
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279 views

Networkmanager KDE5 plasma (Fedora 22)

After upgrading to Fedora 22 (KDE5), I have trouble running (or actually editing connections) the Network Manager, namely kde5-nm-connection-editor. I can click on my WiFi-Symbol, I can click the ...
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74 views

Manual creation of NetworkManager connection file fails (Error: Unknown connection)

Objective: I am trying to set up a 3G connection using NetworkManager 0.9.4 via command line. I have previously succeeded (see this question) by setting up the connection through the nm-applet (GUI in ...
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112 views

nmcli connection activation failed

I was able to create a wifi hotspot on my debian 8 install using network tab under gnome settings. I was trying to do the same using nmcli but it always shows $nmcli con up id Hotspot Error: ...
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41 views

lxpolkit crash after fedup upgrade from Fedora 20 to Fedora 21

I have installed Fedora 20 + Windows 7 dual boot device. I tried to upgrade using fedup --network 21 --product=workstation After rebooting, lxpolkit crashed. Now network manager isn't working. I ...
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48 views

Installing huawei Linux driver on fedora 20

I want to use huawei e303f data card on fedora 20 32 bit. I have downloaded the Linux huawei driver. But when I try to install it , it pauses for an indefinite period after the line that's reads '1:4 ...
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1answer
266 views

NetworkManager changes default routing policy

I have a machine with a built-in NIC (eth0), which serves as a DHCP server for a Raspberry Pi. I also have a USB 3G modem, which shows up as ethernet device eth1. eth0 has the static ip 192.168.100.1 ...
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1answer
88 views

Set NetworkManager to ignore rfkill

My notebook does not have a hardware button to disable wireless. But NetworkManager and rfkill see wireless as hard blocked. Wicd and iwconfig works well. Is there any way to disable hard block check ...
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1answer
264 views

Suse 13.2 fails to connect to router

NetworkManager appears to be running, however cannot connect to router. I am in my first days of using a new computer with a then newly loaded opensuse 13.2. The first few days all appeared to ...
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2answers
192 views

Ubuntu won't connect to university internet [closed]

My WiFi adapter shows networks in the area, but will not allow me to connect to my university Internet. Normally, on Windows, I connect to the Wifi by clicking connect. It shows it as connected, but ...
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1answer
210 views

3G connection with wvdial gets no IP, exits with code 16

I am trying to establish a 3G connection with Raspbian, a 3G USB dongle, usb_modeswitch and wvdial. I followed this tutorial which has worked well before with a different 3G dongle. My 3G dongle is a ...
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70 views

Unable to connet to internet via 3g huawei modem in arch linux with plasma 5

I have installed usbutils , usb_modeswitch and modemmanager following arch wiki. and ran the services systemctl enable ModemManager systemctl start ModemManager After a system restart, i plugged ...
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2answers
2k views

Elementary OS shows WiFi networks, but won't connect

In the top bar, clicking the network icon shows a list of networks. My school's network, which on Windows I would connect to, and then visit a login page in Chrome in order for it to work, shows on ...
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102 views

How do I ask NetworkManager/ModemManager to run a program before pppd?

The story is not so important for this question, but here it is: the GPRS modem is locked-in to the vendor's software (it doesn't work, if it doesn't receive a correct response to a "challenge" it ...
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81 views

Ip route: Routing with two interfaces (only one connected to Internet)

I have this problem: I have a laptop with WiFi and eth. The WiFi is connected to the internet and has the following config: 192.168.1.100 and 192.168.1.1 as gateway The eth is connected in this way ...
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1answer
63 views

Creating a new connection on interface not used before using nmcli

Trying to setup a new connection using nmcli. The system is debian wheezy, the platform ci20. I am missing an ID or UUID parameter in order to perform nmcli con up [id | uuid ] It complains about ...
2
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1answer
110 views

Fedora 20 KDE: shortcut for airplane mode

is there a possiblity to have a Keyboard shortcut (e. g. fn + f10) for the airplane mode (Switch off all wifi Connections) under KDE (Fedora 20)?
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19 views

Make KNetworkManager follow radio status set on the command line

I have installed a Fedora 20 (KDE) Linux on my notebook that runs just perfect. However, when I enter into airplane mode on the command line by nmcli r wifi off, the GUI of the KNetworkManager does ...
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1answer
92 views

Enable access to WLAN

I was given a Acer Aspire One A110 Netbook (ca. 6 years old) with Ylmf OS. It's the first time I own a computer running on LINUX. So I am unexperienced with it. So far I get along quite well, but one ...
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1answer
788 views

How to set up wifi hotspot with 802.11n mode?

I have two computers running Ubuntu 14.04 (ok, one is actually Mint 17.1, but that's based on Ubuntu 14.04), and I am looking to use one as a wi-fi hotspot for the other. Both computers have identical ...
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1answer
81 views

How can I configure the default transmission rate for 802.11 (“WiFi”) in Debian 7 GNU/Linux?

I need to lower the transmission rate of my IEEE 802.11g network interface controller to have acceptable packet loss ratio (< 0.5 %), otherwise it becomes very high (> 50 % is ...
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226 views

Network manager disappeared

My NetworkManager icon has disappeared and there is no network management tools in the menu. How do I get the icon back and an entry in the menu for configuring different wireless networks? I use ...
2
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0answers
345 views

vpn l2tp connection on ubuntu 14.10

I am using Ubuntu 14.10 and I need to create a VPN L2TP connection. I installed strongswan, as suggested by this answer, but now I don't understand how to configure the connection. The connection ...
0
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1answer
245 views

RHEL7: Why does 'nmcli conn show' & 'ip addr show' display different connections?

My 'nmcli conn show' & /'etc/sysconfig/network-scripts' config files don't match up, showing just one connection/devices of each: [root@ciroc network-scripts]# ls |grep ifcfg ifcfg-enp0s3 ...
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0answers
135 views

How can I have hosts register their IPv6 addresses in Windows DNS

Windows clients support registering their IPv4 and IPv6 addresses in DNS after obtaining the address from a DHCP server or via IPv6 Router Advertisements. For my CentOS 7 and Fedora 21 boxes I'd like ...
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1answer
569 views

NetworkManager does not detect when cable is connected or disconnected

On my Fedora 21 64bit Gnome 3.14.3 install, I have noticed that the NeworkManager always connects to the wired connection, even if the cable is not connected: However, the driver (or something) ...
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1answer
73 views

difference between “ip link set” and “disconnect / reconnect” in the GUI?

I've got an Ubuntu 14.04 guest installed in virtualbox. Often when the host machine changes networks or is suspended and restarted, the guest VM loses network connectivity. I can reliably get it ...
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2answers
704 views

Ubuntu/Mint (trusty) : Wifi keeps shutting down

I Run Mint on my desktop and I'm facing a very annoying problem : wifi keeps shutting down after a few minutes or a few hours and it never comes back automatically. To restore network, I have to ...
2
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1answer
367 views

How to enable systemd's service without waiting?

I'm trying to make fastest boot possible and did run systemd-analyze critical-chain: graphical.target @5.800s └─multi-user.target @5.800s └─NetworkManager.service @4.201s +1.598s └─basic.target ...