Questions tagged [networkmanager]

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

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70 views

Can I trigger VPN connection based on online status?

I use my machine (GNOME desktop) on my home wifi, at public wifi locations and with no wifi connection. How can I set up a trigger so that as soon as my machine connects to the internet, it ...
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1answer
637 views

Change APN of GSM connection

I'm trying to change the APN of my GSM connection but don't know how to do it, googling didn't really help. This is my current connection: NAME UUID ...
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2answers
359 views

How to quickly remove IP address when network cable unplugged?

Within CentOS I use NetworkManager to handle my interfaces and network configuration. For a showcase, I need to quickly plug my network cable from port 1 to port 2 in my switch. Each switch port ...
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1answer
557 views

Can I force a second “Network Login” (captive portal) prompt from GNOME Shell?

I am running GNOME Shell and I have installed network-manager-connectivity-debian. When I first connect to a WiFi hotspot a "Network Login" window opens (a chromeless browser), and I can enter my ...
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1answer
742 views

Wireless network slow speed, inconsistant connection : “Intel Dual Band Wireless - AC 3165”

I'm using Deepin 15.4.1. Here is my system network config info: Network Devices 02:00.0 Network controller [0280]: Intel Corporation Wireless 3165 [8086:3165] (rev 79) Subsystem: Intel ...
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0answers
676 views

Very peculiar network issue on Debian 9 - Realtek network cards

My OS: OS in question, and my primary OS: Debian 9.1 (fresh install) with i3 window manager (no DE). Other OSes (dual booted): Ubuntu 14.04 and Windows 10. Kernel: 4.9.0-3-amd64 Network cards info: ...
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1answer
405 views

(Debian 9) NetworkManager uses a RAW socket using ipv6-icmp?

I have been trying to lessen which ports my Debian 9 has open at given times. Been trimming down with a static IP, disabling services from systemctl, and I got my UDP and TCP ports narrowed down; but ...
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0answers
388 views

How to bring up ethernet networking upon cable connection without network manager (on CentOS 7)

On a CentOS 7 laptop I wish to have the Ethernet (wired) network connection work automatically (run DHCP upon cable connection without user interaction) and the Wi-Fi be managed by the user via ...
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2answers
508 views

Unable to ping router but broadcast ping returns response from it

I have a fresh install of Linux Mint Mate 64 on an old iMac (late 2008). I can not connect using a network cable so I need to use wlan. I've installed broadcom drivers, the network managers shows the ...
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2answers
526 views

Linux Hosts Cannot Communicate unless they Ping Each Other

So, I have something weird that I've never seen before and it's a little difficult to describe. Say I have 2 servers. Server A: 192.168.1.5, Server B: 192.168.1.21 These two servers are on the same ...
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1answer
278 views

Fedora VM loses net connection on host suspend? re-connects after GNOME login?

I have a Fedora 26 VM. When I log in to GNOME, it shows a connection to the network. GNOME shows the network profile for the device as "Connect automatically" and "Shared with all users" (in the ...
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1answer
244 views

NetworkManager - segfault

I'm wondering what is causing a segfault within NetworkManager - I see this in dmesg: NetworkManager[9338]: segfault at 8 ip 0000000000479ef7 sp 00007ffc2607cc10 error 4 in NetworkManager[400000+...
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2answers
894 views

NetworkManager service interfering with my connection in kali

I recently bought a new laptop for pentesting purposes, to mess around with stuff on my home network, and my intentions were to install virtualbox (oracle) and download a kali image to do stuff with. ...
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2answers
320 views

Running script on startup and after switching network

I'm using Fedora 26, and I'm trying to create a script that will change my MAC address every time I reboot, and I switch networks/turn the network manager off and on. I have this: #!/bin/bash sudo ...
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0answers
836 views

Missing openvpn routes with network manager

I'm trying to setup a VPN using network manager. When I run openvpn manually with my config, it works fine (sudo openvpn --config MyVPN.ovpn). Then when I print the routes (sudo route -n), it gives me:...
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1answer
6k views

NetworkManager not auto-connecting to wifi on login

I am running Manjaro KDE and have recently installed i3 to be used as my WM alongside KDE as my DE, instead of KWin. I have got everything working fine with this unorthodox combination of DE and WM ...
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1answer
548 views

Can't start OpenVPN with NetworkManager 'up' script

I'm trying to automatically start OpenVPN (which will connect to Private Internet Access VPN) when my ethernet connection goes up. I have /etc/NetworkManager/disaptcher.d/99-custom_script_handler #!...
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1answer
169 views

Namservers reverted to normal shortly after connecting VPN using Openconnect

I've been working at my company for over a year, and have never had this particular issue with my VPN. Unfortunately, I don't know much about networking so I'm a little confused at what's happening. ...
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1answer
3k views

Network Manager re-installation in Linux Mint (KDE version)

I need some help to re-install the Network Manager. I installed WICD to see if it was a better Network Manager than the regular one, but I didn't like it so I uninstalled it. Now I have difficulty to ...
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1answer
48 views

Chose network connection through xrdp

I've setup XRDP on a Lubuntu box, but it does not give me an option to choose which wireless network to connect to, nor can I connect to a VPN server like you can through the normal GUI. It uses ...
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1answer
3k views

CentOS 7: dhclient.conf prepend domain-name-servers not working

I need to prepend my /etc/resolv.conf with an entry. My interface is enp0s3. So I created /etc/dhcp/dhclient-enp0s3.conf and added the line: prepend domain-name-servers 127.0.0.2 When I restart ...
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1answer
903 views

How to reorder /etc/resolv.conf at load time [duplicate]

I have a CentOS system that retrieves its upstream DNS servers via DHCP. I want to run DNSMasq on this box and use it as a server to resolve some hostnames for development. The problem is when my ...
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1answer
555 views

WICD shows nothing

I have xfce debian system, the WiFi card on my laptop was not detected by the default network manager however the wired connection worked perfectly. So I decided to install WICD and remove the default ...
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1answer
1k views

Unable to connect to Wi-Fi using NetworkManager (reason 'no-secrets) in Debian 9

I'm using Debian 9 Stretch (4.9) and I use an Wi-Fi dongle (TL-WN823N V2) to connect to a Wi-Fi. I've installed the driver using this link, and I got it working. iwconfig root@debian:/home/...
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0answers
2k views

Centos 7 server won't boot - 'Dependency failed for Network Manager Wait Online'

I have a Centos 7 server that won't boot, it's giving me the following errors I can boot to single user mode but I just get the following when I try to query any of these services with systemctl ...
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1answer
532 views

NetworkManager and dnsmasq dhcp address range

Running Xubuntu 16.04 here. My problem is that dnsmasq, as started by NetworkManager, ignores the dnsmasq.conf files in /etc/dnsmasq, /etc/NetworkManager/dnsmasq.d, and /etc/NetworkManager/dnsmasq-...
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0answers
803 views

Openconnect works via CLI; how can I get it to work in NetworkManager? [closed]

Openconnect works fine via the command line. $ sudo openconnect foo.com/bar POST https://foo.com/bar Attempting to connect to server 1.2.3.4:443 Connected to 1.2.3.4:443 SSL negotiation with foo.com ...
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1answer
5k views

grub recovery mode: etc/resolv.conf: no such file or directory

I’ve installed Ubuntu 16.04 on my laptop a few months ago and suddenly I can t get past the splash screen. (I see the red dots gradually becoming white and vice-versa, so something is happening, but ...
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4answers
4k views

Missing vboxnet interfaces after upgrade to Fedora 26

I was running Fedora 25 on my workstation, with installed VirtualBox (5.1.24) and 2 Host-only networks (vboxnet0/vboxnet1) which were shown in graphical network manager in Gnome. After upgrade to ...
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0answers
247 views

Does Networkmanager support encrypted private keys?

I am trying to improve wifi security and recently changed to wpa2 enterprise using eap-ttls. Works fine so far, but I do not like the idea of all passwords (hashed or not) sitting on my radius server. ...
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0answers
49 views

Tell network-manager to suspend

I would like to set up a network between two computers. They are connected to the internet through wireless, but as soon as Network-Manager sees the wired connection, it takes down the wireless ...
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1answer
5k views

Modem Manager set bearer and connect automatically

I'm trying to set up a Huawei E3276 LTE stick with German Telekom and Modem Manager on Raspberry Pi (latest Raspbian), and basically it works but I'm failing to create a configuration that is ...
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1answer
1k views

Manjaro Connect SSH & Wifi before log in

I have fresh installed Manjaro version 17. Then I install OpenSSH, My aim is to start SSH on boot. SO I did below sudo pacman -Sy openssh sudo systemctl start sshd.service sudo systemctl enable ...
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2answers
702 views

Change DNS servers but keep DHCP assigning IP address

I would like to change my DNS servers but keep whatever IP address is assigned by the DHCP (which runs on my Huawei HG255s router). I run Debian Testing with KDE 5. Changing resolv.conf doesn't help ...
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1answer
304 views

Useless Wireless Network Interfaces Wifi Is not working

When I type my command in ubuntu it is showing me something like this. lo no wireless extensions. docker0 no wireless extensions. br-6e37f0ffedf9 no wireless extensions. vethc10412d no ...
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1answer
464 views

Network Settings, Linux Mint, Cannot set "use this connection only for resource on its network”

I'm using Linux Mint 18 sarah. I'm trying to connect to an OpenVPN server (setup on Mikrotik router) using the OpenVPN client available on Linux Mint. The VPN connection is successful, I can access ...
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1answer
603 views

what will network-manager-config-connectivity-debian do?

I am on Debian #buster and saw this new package network-manager-config-connectivity-debian . While I use ping some FQDNto access connectivity, how is this package supposed to help. I am using ifupdown ...
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1answer
1k views

systemd-analyze blame

I use Linux Mint 18.2 Cinnamon (upgraded from 17). I try to comprehend, why my Haswell CPU with 16GB RAM and 500GB SSD is booting longer than expected. When I run: systemd-analyze blame The first ...
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1answer
2k views

CentOS 7.3 interface name changes every reboot

I have this annoying problem that every time I restart my CentOS7.3, my interface name changes (all of them). Here is how I use my CentOS7.3: Host Machine: CentOS7.0 VM: CentOS7.3 (recently updated, ...
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1answer
39k views

Can't restart the network service on CentOS [duplicate]

I am trying to restart my network on my CentOS server on a Raspberry PI 3 with systemctl restart network However, I am getting this Job for network.service failed because the control process ...
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0answers
401 views

Monitor network connection with systemd

I have a Linux server that needs to connect to a VPN over a somewhat unreliable connection. At times, the connection will drop, and and the server loses all access until Network Manager is restarted. ...
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1answer
623 views

There is connected why it hint no such connection in the nmtui?

In my VM, I use the nmcli check status: [root@localhost network-scripts]# nmcli dev status DEVICE TYPE STATE CONNECTION virbr0 bridge connected virbr0 ...
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2answers
9k views

Incorporate nm-applet in i3 window manager

I have Lubuntu 17.04 with i3 window manager. I am tryig to open the network manager from the i3wm but I can't. The internet connection works by going to the defaiult network that I set via LXDE, ...
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1answer
1k views

Debian 9 Stretch firmware-iwlwifi unknown host

I'm using Debian 9 Stretch Live from a USB Stick for testing hardware compatibility. The firmeware for the Intel Wireless 2230 was not included in the Live image. Therefore I installed it offline ...
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1answer
86 views

I can only connect internet to employers wifi. Apart from it, I am able to connect to wifi, but I am not getting internet

I have a strange issue. If I connect to Ethernet or wifi in my office, I get the internet. But I can't get the internet in the home wifi or my mobile phone hotspot. I get the following when I try to ...
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1answer
2k views

I'm getting 'Name or service not known' in Linux Kali when connecting with Virtualbox Bridged Adapter

Hello I'm running Kali Linux on VirtualBox. I'm attempting to run a Bridged Adapter connection. Relevant details: (In VM) Name: Kali Operating System: Ubuntu (64-bit) Adapter 1: Intel PRO/1000 MT ...
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1answer
1k views

Auto-connect VPN in Kali Linux?

I current have a working VPN on my Kali Linux box however I feel uncomfortable with the fact that sometimes I forget to manually connect it in the network manager. After digging around everywhere in ...
2
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1answer
600 views

Unable to connect to USB 3G Mobile Broadband

I am using Arch Linux, Trying to connect to internet using my D-Link mobilebroadband. ( using NetworkManager and ModemManager ) I configured it using GUI ( setting APN/Network -Vodafone etc.. ) But ...
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1answer
257 views

Why is wlan0 gone?

I have this machine under BunsenLabs Hydrogen (Debian Jessie pre configured for Openbox) for ~6 month. Was pleased with it and everything worked fine. About 2 week ago, a new linux-firmware-amd64 ...
2
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1answer
75 views

Can't get rid of old bluetooth network connection in NetworkManager

NetworkManager lists a bluetooth network connection I did with my smartphone long ago. I've tried nmcli con delete and rm from /etc/NetworkManager/system-connections/ but it always comes back on ...