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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131 views

Network Manager error - “cannot send router solicitation”

I see this error occuring for network manager, but only after the laptop goes to sleep mode, and I come back to wake it up. NetworkManager[2040]: <error> [1456121915.287806] ...
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5 views

KDE Network Manager Can't Add WPA2-EAP Connection

My college has a WPA2-EAP wifi that broadcasts it's SSID but I'm unable to connect via the GUI KDE (package name plasma-widget-networkmanagement). I can connect to other kinds of WPA2 wifi networks ...
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4answers
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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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2answers
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Setting interface NM_CONTROLLED to yes using nmcli in CentOS 7

I'm writing some documentation on configuring the network interfaces for a new CentOS 7 server, the specific section walks through setting the interface to a static IP address. The steps thus far ...
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Why are post-up commands in /etc/network/interfaces ran multiple times at boot?

Here is the content of /etc/network/interfaces: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp post-up /etc/network/if-up.d/sshstart And sshstart is a script with the following in ...
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40 views

Force an application to use a specific connection

So my Mint 17 has 2 connections (wired and wireless) when both connected by default the wired is used, what I want to do is keep wireless for file download and general Internet usage, and use the ...
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44 views

network.service Failed to start LSB: Bring up/down networking - Centos 7

I am experiencing an issue on Centos7 when attempting to start the network service. I receive the below error message. Failed to start LSB: Bring up/down networking The issue arised when I realised ...
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How do I edit the hotspot configuration for Network Manager?

Running Arch/Linux with everything up-to-date and I use network manager's built-in hotspot function to share my Internet. I'm trying to edit the configuration (mostly the password, as I don't like ...
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46 views

Wifi interface recognized as ethernet

I am having trouble setting up my wifi configuration persistently. I have tried both netctl and NetworkManager and both only work after manual setup. What I find especially weird is that ip link ...
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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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14 views

How to delete connection by name via Network Manager

How do you use nmcli to delete a wifi connection by name? From what I've read, it only allows deletion via UUID: nmcli connection delete <uuid> The simplest way I've found to delete by name ...
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12 views

Using dual connection for separate app [duplicate]

My Mint 17 has 2 connections (wired and wireless), when both connected by default the wired is used, what I want to do is keep wireless for file download and general Internet usage, and use the Wired ...
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1answer
1k views

Wicd and NetworkManager both not working in Debian Jessie

I recently installed Debian, and I was able to get the WiFi to work using the command line. After a while, it stopped working. I figured that it had something to do with the fact that my intel iwlwifi ...
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1answer
2k views

Why can't nmtui see wlp3s0 on minimal CentOS 7 installation?

In a recent installation of a minimal version of CentOS 7 (terminal only, no GUI), typing iwconfig results in the terminal showing a wlp3s0 connection, as follows: [root@localhost ...
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2k views

Fedora 18: Unable to connect to a WLAN network

I'm using Fedora 18 with the LXDE desktop. I seem to be unable to connect to any WLAN network. The network manager applets seem to accept only WEP but no WPA encryption. Am I missing something, or ...
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Changing interface from dhcp to static using nmcli in CentOS7 [duplicate]

I have a new CentOS7 box that I'm trying to configure the interfaces on, and I know how do do it the CentOS6 way (Modifying the ifcfg-* files directly), but id like to use nmcli if possible. I know I ...
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973 views

nmcli no longer allow settings modification?

When I try to modify network manager settings with nmcli, it says Error: 'con' command 'modify' is not valid. So if nmcli con modify XXX command is no longer supported, what is the substitute? EDIT ...
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Ethernet Connection not working on Ubuntu 14.04 (with Windows 10 dual boot)

I've dual booted Windows 10 (first) with Ubuntu 14.04. The ethernet works fine when logged into Windows, but when I log into Ubuntu, The Connection Icon (right on the top tray) shows the wireless ...
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1answer
60 views

Redhat Linux Server : Plone installation

Unable to install any package using apt-get installer it shows sudo: apt-get: command not found -How to install apt-get package over server ? -I am trying to install Plone over my server so by ...
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3answers
789 views

Does networkmanager supports LEAP/WPA2/AES?

I know I will have to connect through wireless that is using WPA2/LEAP/AES. Will my networkmanager connect to this network? UPDATE: then why can't I find "AES" or CCMP in my nm-applet on Ubuntu ...
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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
4k 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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KDE's network applet not listing APs, while iwlist does after some extra steps

KDE's network applet doesn't list any wireless network. It used to, but I must have made an unintended change. This much I know about my situation (the device is called wlp4s0): Upon login, the ...
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1answer
2k views

Run root script or command as root in startup application in linux mint

I have a wireless adapter that used to work in Linux mint 16 (dwa 171) after installing drivers for it. Now it won't work the same way anymore since I upgraded to linux mint 17. I've found the only ...
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149 views

Changing Fedora's builtin Hotspot mode to 5GHz

I am using Fedora 22 and in the WiFi settings, I can enable a HotSpot. I found the /etc/NetworkManager/system-connections/Hotspot file, but I do not know what I can do there. I want the hotspot to ...
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How to configure a computer as a hotspot?

I use OpenSuse 13.1 (with KDE). On my phone I can turn on a hotspot just by pushing a button. I have been researching how to do this on linux, I haven't found an easy way yet. What I want to ...
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64 views

Bonding wired and wireless while using Network Manager

I'm running Linux Mint 17.3 on my laptop. When docked, I'm connected via Ethernet, but when I undock, I'd like not to break my ssh sessions, ongoing downloads, etc., and to use the same IP address on ...
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2answers
279 views

How does Fedora name wireless interfaces?

Until recently, my network interfaces were always named eth{0..x} or wlan{0..x} depending on what type they were. However, now I see that I have em1 for the ethernet card and wlp3s0 for the wireless. ...
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55 views

How to run a command automatically when network disconnects

How can I run a command automatically and immediately when my wired or wireless connection disconnects on debian 8.3 stable (Gnome)?
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IPV4 getting removed after restart CentOS machines

I have CentOS machines (both 6.x and 7.1) and whenever I reboot them, automatically IPV6 is assigned to them and IPV4 is lost. Any idea why it is happening and how to prevent it? I Could not ...
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iwconfig shows lost association at regular intervals

I'm running Linux Mint with the i3 window manager and the i3statu bar. I had been noticing the the W: (wifi) status line of i3status would sometimes report "down" for a few seconds even though sending ...
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82 views

A way to setup hotspot in Kali Sana (Kali 2.0) via XFCE

I'm finding it extremely difficult to figure out to create a successful hotspot using Kali Sana after having it updated to XFCE, installing all updates via apt-get install update. I've tested the ...
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How can I connect to NetworkManagers's dnsmasq instance via dbus?

I'd like to interact with the dnsmasq instance spawned by NetworkManager via it's dbus-Interface. I couldn't find the address, object path etc., the only thing I could dig up is: ...
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1answer
20 views

Connect VM from Internet

I'm new to Linux and I have created a RedHat6 VM using Oracle VirtualBox. For testing purpose, I have set it up so that I can connect to it from my local/host Windows machine (and those of my friends ...
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2answers
979 views

configure gsm connection using nmcli

I have a system without X display and I want to use nmcli to configure my cell modem to connect to a certain apn. I can get it going with this modem just fine on Ubuntu (with X) and I would like to ...
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1answer
33 views

NetworkManager not creating in-memory connections

I'm comparing Centos7 and Rhel 7.2 installations. rhel/centos installer creates simple network-scripts for existing adapters. They don't start automatically. NetworkManager sees them with names ...
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1answer
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nameservers erased after systemctl restart network.service

I'm working on centos 7, and having problematic behaviour when setting network interface from dhcp to static ip configuration. I edit /etc/resolv.conf, and run systemctl restart network.service The ...
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2answers
848 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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NetworkManager[1027] errors in syslog

Looking at my /var/logs/syslog I see many errors regarding the network manager. What is causing this? Being that I can connect to wifi and ethernet, what is going on here and it is causing undesirable ...
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1answer
56 views

Wifi toggle script not running properly through i3

I have the following line in my ~/.i3/config: bindsym XF86WLAN exec ~/.i3/i3-scripts/toggle-wifi.sh toggle-wifi.sh: #!/bin/bash if nmcli nm wifi | grep -q "disabled" ; then nmcli nm wifi on ...
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1answer
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How to update the gateway with nmcli

I'm using centos 7 and I setup a new connection with nmcli. I set the gateway but it doesnt seem it took. When I check the connection with nmcli con show conn-name the gateway is listed as: gw = ...
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1answer
33 views

unable to add IPSec IKEv2 profile on Fedora 22/23

it should be something really simple, but I cannot add IPSec IKEv2 profile in Network Manager settings, Add button is greyed out. Does anyone know?
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Cannot start Wifi Hotspot from Fedora 20 - MATE but works on GNOME

I cannot start the Wifi Hotspot on Fedora 20 Mate Desktop Environment from NetworkManager. But when i log off and login to GNOME i am able to start it. I read some stuffs about hostapd but couldn't ...
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1answer
67 views

How to have a device's IP discovered in a network in a simple manner?

At the startup I work, we're setting up a device for image capturing and analysis. It's a box with a camera, with ubuntu linux embedded, and, let's assume, we don't want to connect a monitor to this ...
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Cause a script to execute after networking has started?

I am relatively new to systemd and am learning its architecture. Right now, I'm trying to figure out how to cause a custom shell script to run. This script needs to run after the networking layer has ...
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1answer
152 views

rtl8812ae Wifi Connection Instability in Debian Jessie

I just added a D-Link DWA-582 PCI-e WiFi adapter using the Realtek RTL8812AE chipset. I confirmed the support for the chipset at https://wiki.debian.org/rtl819x#rtl8821ae . I have installed the ...
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2answers
106 views

wicd: PEAP with TKIP/MSCHAPV2 not working

In wicd, I am using PEAP with TKIP/MSCHAPV2, and I get following error: ERROR:dbus.connection:Exception in handler for D-Bus signal: Traceback (most recent call last): File ...
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1answer
70 views

Debian: Order of DNS servers when using VPN

My notebook gets its DNS servers via DHCP. When I start a VPN session (pptp, managed my networkmanager), the DNS servers received from that VPN session are queried first. I'd like to use the DNS ...
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2answers
68 views

How to reach nm-connection-editor from the GUI in GNOME 3?

I am using RHEL 7 with GNOME 3. As far as I know, I can only configure an ADSL connection (via GUI) with nm-connection-editor. But where can I find a clickable symbol for the nm-connection-editor in ...