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Questions tagged [networkmanager]

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

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RHEL 6.8 and nm-applet. How to install and configure OR how to to use nmcli and setup wifi connection

I have Red Hat 6.8. I accidentally removed the GNOME nm-applet when working with the keyring manager which is also located under “.gnome2”. I have since downloaded the nm-applet package (from http://...
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How to remove the grey border in network manager applet

I'm using nm-applet in xfce, however it displays a grey border like the following: I tried to debug the panel by doing: gsettings set org.gtk.Settings.Debug enable-inspector-keybinding true xfce4-...
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occasional boot fail because of error in starting Network Manager

I'm working in ubuntu 18.04 in a stationary Dell computer. Lately I have had a problem at booting where there is an error saying: [FAILED] Failed to start network Manager See 'systemctl status ...
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Alfa Awus036ach causes password prompt loop, won't connect

I want to use my Alfa Awus 036ach wireless card in my Debian 9 (stretch) system.  The system is dual boot; the other OS Kali Linux, where the cards works properly, so I assume this is not a hardware ...
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Unable to create hotspot using Gnome/Debian

When I try to create hotspot using the Gnome Network Manager, nothing happens after I click on the "Use as hotspot" button. After googling, I found out it's a bug and a workaround suggested me to do: ...
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27 views

Share connection and automatically assign static IP for clients [on hold]

I have several computers, connected via Ethernet into the network. All are running Fedora Server (no graphical desktop environment). One of them has an Internet connection over wireless connection ...
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15 views

Bridge one IP to VM

I have a server with a single NIC and two IPs. I've set up the primary IP on the actual NIC and i added a virtual NIC that's listening on the second IP. Now, i need to bridge the second IP to a VM. ...
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23 views

lightdm and ldap authentication: how to display connectivity issues

I use LightDM als my display manager, entering user credentials via its greeter login. The system's PAM authenticates against a LDAP server. Unfortunately, the network is unreliable hence the LDAP ...
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47 views

problem wifi iwlwifi

My wifi 'crash' sometimes. I have connection and at one moment I am always connected but no internet it the only device where I have this problem. To restorte connection I need to put down and up the ...
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1answer
17 views

Static route added with nmcli not showing up

root@Andromeda:~# nmcli con show "Wired connection 1" | grep -i routes ipv4.routes: -- then ... root@Andromeda:~# nmcli con modify "Wired connection 1" +ipv4.routes "188....
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32 views

How do I activate Network Manager on Debian?

The NetworkManager has stopped working, and I can't seem to get it to start running again. If checking the status is says masked and inactive (dead). How do I fix this?
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40 views

How to use nmcli to always connect to vpn when using certain wifi?

So using nm-applet its quite easy to save vpn connection and username+password of the connection and then automatically connect to it when using certain wi-fi connection. So it will always ...
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Enable NetworkManager for Ethernet interface in Kickstart

i want to enabled NM_CONTROLLED=yes in /etc/sysconfig/network-scripts/ifcfg-eth0 from my kickstart file, my current line is like network --hostname=xdw.my.local --bootproto=static --ip=x.x.x.x --...
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Networkmanager: apply property to ALL wireless connections for a particular interface

I'm trying to bond the ethernet and wifi on my laptop. A bond can be setup with nmcli con add type wifi ifname wlps3s0 master bond0 ssid $YOURSSID (see Bonding wired and wireless while using ...
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40 views

wifi networks don't show up in network manager

I have installed the iwlwifi driver from backports for my intel wifi card here is the output of the lspci -nnk | grep 0280 -A3 : 00:14.3 Network controller [0280]: Intel Corporation Device [8086:a370]...
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The *correct* way to require root for changes via nmcli to NetworkManager

What is the correct way, with a single command or a small polkit addition, to limit all unprivileged users to read-only usage of nmcli? Edit: Allowing only a privileged unix group, in addition to ...
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57 views

NetworkManager interferes with hostname configuration

I'm running an arch system with KDE4/Plasma, wpa_supplicant, networkmanager, systemd ... # cat /proc/version Linux version 5.0.0-arch1-1-ARCH (builduser@heftig-18825) (gcc version 8.2.1 20181127 (...
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Issues with installing NetworkManager during Debian installation with preseeding

I'm currently in the progress of preseeding a Debian installation with custom setup scripts running after the actual installation to create a simple installer that will create everything that I need. ...
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1answer
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Adding / Removing addresses to connections via network manager cli (nmcli)

I am going through some official Linux Foundation exercises / documentation. In a lecture about adding / removing an ip address to an existing connection, the following example is cited: sudo nmcli ...
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Network Manager not controlling any connections

I have created a vagrant machine and ssh-ed into it. network-manager was not installed, therefore I proceeded with apt update && apt install -y network-manager However, there seem to be no ...
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28 views

Fedora 29 VirtualBox will not use DNS from host VPN

I am running a Windows 10 machine for work (required) and so use VirtualBox to get a Fedora 29 machine so I can run code locally before pushing to production. Our github is behind a VPN and we use ...
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27 views

NetworkManager doesn't trigger ethernet disconnection

UPDATE: NOT working ONLY on Raspberry Pi 3. working on Rasberry Pi 1 and Rasberry Pi 2. testing using the same exact SD card. UPDATE END I have a raspberry pi where I installed NetworkManager. I ...
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NetworkManager doesn't find predefined system-connections files

I'm creating a custom OS for Rasberry Pi using pi-gen. I decided to install NetworkManager to manage connection/reconnection to the default network interfaces (eth0 and wlan0). I crafted 2 ...
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1answer
104 views

Using the Fibocom L830-EB in ArchLinux on a ThinkPad T480s

I want to have mobile broadband on my T480s. First I ordered the L850-GL which didn't work because it uses the PCI interface. As you can see in this forum. People in the same thread claim to have a ...
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The concept of “Airplane Mode” in Linux

When installing a Ubuntu, Manjaro or other Graphical Linux distro on laptop, when press the airplane mode button on laptop, Airplane mode can be enabled. How the concept of airplane mode works in ...
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network manager icon with exclamation mark

I have a network manager icon with exclamation mark how to debug what caused this exclamation to appear? what logs to check, maybe wireshark would help?
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133 views

Bring interface up even if link is down (no carrier)

My system is a Dell PowerEdge T140, running Ubuntu 18.04.2. I have a service that depends on the host's primary IP address, and that service fails to start if that address is not configured on the ...
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250 views

Connecting to WPA2/PEAP/MSCHAPv2 enterprise wifi networks

I am using an Arch Linux setup and am having trouble connecting to my school's wifi using networkmanager. I'm using the nmcli connection editor to set up my system connection. This is what my network ...
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How long will NetworkManager search for and reconnect to Wi-Fi networks?

I have a device that is using NetworkManager to connect to Wi-Fi networks. If my Wi-Fi network drops out (e.g. the router is unplugged and moved), will NetworkManager attempt reconnects indefinitely? ...
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43 views

NetworkManager doesn't change IP-Address when dracut.cmdline provided static IP differs

Centos 7.6 fresh installation. I need a static IP during boot for decrypting my LUKS-Container by using Clevis / TANG and following dracut.conf kernel_cmdline="ip=10.30.0.25 netmask=255.255.255.0 ...
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How to detect when NetworkManager loses Wi-Fi connection?

What is the best approach to monitor NetworkManger connections and detect when the Wi-Fi connection has dropped? My goal is to attempt reconnecting after a certain number amount of time disconnected, ...
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Ethernet network disconnected but the cable is actually plugged in

I have recently installed GalliumOS alpha on my Acer Chromebook 14. WiFi works flawlessly, but I can't get the Ethernet connection to work as network manager says "disconnected" under Ethernet Network....
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static routing wwan vs ppp

I have private APN with few sim cards. In the old days NetworkManager created ppp connection with my modem and then I've run ip route add 10.9.200.0/24 dev ppp0 (or add routing via NM) And every ...
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Huawei me906e broadband model connects fine, but the network doesn't work

I have a Huawei me906e broadband modem (in a M.2 to USB adapter). In this modem I inserted a SIM card which I previously tested in my phone and it works fine. After several obstacles I managed to have ...
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firmware crash qca6174 hw2.1

Everytime my laptop goes to sleep (low battery), wireless adapter crashes. This makes the system completly unusable. I cannot remove the driver, kill it, or restart NetworkManager. I cannot reboot ...
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Can't connect to openvpn using networkmanager on Debian

I'm having a problem with connecting to my OpenVPN server on Debian 9. Whenever I try to connect via NetworkManager it just does not work and loops until it times out. I think it's a problem with my ...
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systemd unit config that waits for PPPoe connection

On Ubuntu 16.04LTS I'm having trouble getting my service to wait for my PPPoe internet connection before starting. My unit file: [Unit] Description=Home Assistant Wants=network-online.target After=...
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How to install specific NetworkManager package in Linux

While installing the NetworkManager package to a specific version it's always recommending to install stable NetworkManager package. Example- If I am trying to install: # yum install NetworkManager-...
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135 views

In Mint 19.1, how do I bond an ethernet and a wifi adapter?

In Mint 19.1, I can see in "Network Connections" that I can bond 2 ethernet adapters. How do I bond an ethernet adapter and a wifi one without completely disabling the GUI configuration of networks? ...
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163 views

nmcli won't let me remove DNS entry from /etc/resolv.conf

Centos 7.5, nmcli version 1.20.2 Whenever I try to remove entries from /etc/resolv.conf I get the following errors. [root@client ~]# cat /etc/resolv.conf # Generated by NetworkManager search home ...
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Network-/ModemManager doesn't unlock SIM automatically

I use nmcli to set up a gsm connection in Ubuntu 16.04. Configuring this connection I set the gsm.pin property and auto-reconnect is enabled. When nmcli tries to connect it says that the modem is in ...
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1answer
482 views

firmware-iwlwifi missing in debian 9

I have just installed debian 9 on my msi laptop. It is the only OS on the computer. While it was installing I had no network access and it stated that it could not find the firmware iwlwifi-3168-26....
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Network Manager: use gnome keyring to store WPA Enterprise CA cert

I am using a network which is a WPA2 enterprise WiFi network using PEAP and MSCHAPv2. The certificates are self-signed, so I have received a .pem certificate file which has to be selected on the ...
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2answers
209 views

Where does Network Manager store settings?

When I type: nmcli con show wlan0 One of the settings is: 802-11-wireless.band: bg Where is this setting stored on disk? It isn't in: /etc/sysconfig/network-scripts/ifcfg-wlan0 ...
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Network-manager randomly timeout

I'm currently using my phone as a wireless AP to acquire the Internet on my laptop which is currently on Debian Stretch. I can use multiple SIM card on my phone, and I happen to switch between them ...
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what nmcli command shows interfaces belonging to bridge

I've created bridge br0 and added interfaces eth0 and eth1 to this bridge nmcli con add ifname br0 type bridge con-name br0 nmcli con add type bridge-slave ifname eth0 master br0 nmcli con add type ...
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1answer
131 views

Network manager registering thousands of IPv6 addresses

I was noticing Network Manager and nm-applet were taking a lot of CPU, and in the process of inspecting it, I ran ip a. There were thousands of temporary addresses associated with my Ethernet device. ...
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1answer
26 views

Centos 6.7 in a laptop does not detect network interfaces but detect network hardware

I am installing CentOS 6.7 in my laptop, I have Windows 10, Centos 6.7 and Ubuntu 18 installed, but CentOS is the only OS that is not detecting any network interface, wired neither wifi. I used ...
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Why guest centos ping gateway but can't ping dns 8.8.8.8?

I have installed centos 7 on vmware which itself is installed on ubuntu 16 I want to connect to internet using nmcli (network manager), I have done the following : nmcli connection add +connection....
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33 views

Do the default settings of NetworkManager detect if there is a conflicting IPv4 address on the network?

Added support for detecting duplicate IPv4 addresses, with a timeout configurable through the ipv4.dad-timeout connection property. -- NEWS dad-timeout / int32 / -1 Timeout in ...