Questions tagged [networkmanager]

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

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How to debug the Networkmanager-dispatcher-variables

I want to debug a script that contains Networkmanager-dispacher-variables like DEVICE_IFACE, IP4_GATEWAY. The Networkmanager-manual describes these variables but doesn't mention how to debug them. I ...
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318 views

Prevent Network Manager from starting wpa_supplicant

I am using a Debian distribution (based on stretch) and I am trying to prevent NetworkManager (NM) from starting the wpa_supplicant service. The reason I want to do that is that I want dhcpcd to ...
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6k views

Ping 'Name or service not known' how can I clear cache

For several days now, after several reboots I still am faced with the issue of my CentOS 7 machine not being able to ping my domain. [root@ip126 ~]# ping sub.mydomain.eu ping: sub.mydomain.eu: Name ...
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702 views

IPSec over L2TP: key derivation for pre-shared key failed

I set up a VPN to my Uni (using IPSec over L2TP) before using ~Ubunutu (GalliumOS), Strongswan, and NetworkManager, but this time I keep getting an error about my PSK, see this log output: Jun 22 11:...
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Network Manager killing vpn connection

I will start by providing some info: System: Host: arthur-desktop Kernel: 4.10.0-38-generic x86_64 (64 bit gcc: 5.4.0) Desktop: Cinnamon 3.6.7 (Gtk 3.18.9-1ubuntu3.3) Distro: Linux Mint ...
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2answers
1k views

My wifi is hard blocked in Ubuntu, how to bring it up despite rfkill

My wifi is not working in Ubuntu 16.04, it is hard blocked, but there is no any physical switch that i can turn it on. This question was asked and answered more than 50 times all over the Internet ...
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36 views

Why is my sudo process freezing?

When my laptop is at work (running OpenSUSE Tumbleweed), and when the network cable -> USB adapter is plugged in, eventually in a day the computer sort-of-freezes. I can still operate everything ...
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62 views

Arch netctl profile configuration

I'm new to Arch and I'm trying to set up my Raspberry Pi with Arch-ARM to connect to my uni's network. I think I've figured out what I need to do – I've currently got a netctl profile up in nano, with ...
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73 views

Network Manager “forgets” my network

It's been a long time since I last tampered with Linux desktop, and I wanted to see how it's doing, so I put KDE Neon on an old laptop. It works very well and I find it amazing, however I bumped into ...
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1k views

Error with the wifi and the network manager in the Deepin launcher

I have a very strange error, it turns out that my Wi-Fi interface is not being managed by the Wi-Fi icon of my launcher in Deepin 15.5. It does not show me other Wi-Fi networks nearby, however the ...
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152 views

Can gnome network manager automatically find certificate to install for WPA2 enterprise wifi?

I am attempting to connect to the EDUROAM network at my university using fedora 27 but I can't get it configured right. I tried on macOS and when I entered my username and password I was asked if I ...
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382 views

CentOS 7: Stop NetworkManager from adding search domain based on hostname

If i set machine hostname to say, machine.example.com NetworkManager adds the example.com to /etc/resolv.conf, something like: search example.com search1.com However, example.com on the search ...
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422 views

No internet on Debian Testing after resuming from suspend/hibernate

I'm running Debian Testing with kernel 4.14 on a Dell Inspiron 5567 and Intel Wireless 3165 (driver iwlwifi). I'm having a problem with Network Manager: after resuming from suspend/hibernate I can ...
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138 views

Displaying long interface name in network manager applet

When I click on nm-applet indicator and the menu opens, beside the Ethernet Network there is long title like this "Realtek some model PCI Express Gigabit Ethernet Controller (model number Motherboard)"...
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575 views

OpenSUSE Leap 42.3: How to mount a CIFS file share at boot when the network won't start?

I am using OpenSUSE Leap 42.3 I have a CIFS mount entry in my /etc/fstab which mounts a Samba share from a fileshare server. However my network connection is through Wifi which only activates when I ...
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2answers
844 views

How does networkmanager (nmcli) able to get my wifi signal strength without root privilege?

On my system, to find out the quality of the connected wifi signal I'd have to run sudo iwconfig wlp6s0 where wlp6s0 is the name of the device interface I'm using to connect to the wifi. The output ...
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2answers
4k views

No Internet Connection

I installed Nitrux Os(Ubuntu Based) It's successfully connecting to Wifi or Wired connection but Internet ain't sending any traffic. Whenever I am trying to Open a website it is saying This site can'...
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1answer
379 views

dnsmasq and network-manager internet share

I want share internet from my wi-fi card to another Ethernet adapter, but also I have full 'dnsmasq' installed, which I need also. As I understood it can lead to conflicts, so for now my setup even ...
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585 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
570 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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426 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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231 views

NetworkManager-TUI Doesn't Display Interfaces Centos 7

I did installed NetworkManager-TUI using yum and started it. but once i write nmtui and chooses edit connections, I'm unable to see any Interface. it's just empty at all.
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682 views

Manjaro - how to set in routing table that addresses to internet come out by specific IP?

I have a connection via VPN with my work. I know that internet connection (for example to 8.8.8.8) goes through my work network (only when I am connected to VPN). How to configure ip tables to force ...
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1answer
816 views

Network manager show eth0 connection but no interenet access

I tried ping www.google.com and ping 8.8.8.8 and access the web browser manually, resulting in "server couldn't connect". I have 3 connections via eth0, wlan0 and wlan1(through USB) , eth0 doesn't ...
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1answer
314 views

Local device DNS thinks I am in the wrong country

I recently traveled to Canada, and once I arrived my Ubuntu 16.10 laptop started having DNS resolution issues after a couple days when it became confused about what country I was in. Initially I could ...
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1answer
959 views

Location of Wifi SSID configs and how to make a hotspot in Ubuntu 14.04

What is the location of wifi ssid config in Ubuntu 14.04. Also, making a wifi connection as Hotspot does not work. I am unable to make a hotspot in Ubuntu 14.04 via UI. One of the reasons that I ...
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1answer
46 views

New network interface created after reboot - OEL 6

We do not remember the setting apply via network manager applet -Redhat6 - but after each reboot of the virtual machine, new network interface appear in network manager with no ip address no mac. This ...
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1answer
459 views

Set an IP in Centos for access in SSH when connected through WiFi

I recently installed CentOS 7 on Virtual Box with a minimal installation, and I have enabled the network interface in order to show my IP and access to it through SSH when connected by an Ethernet ...
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1answer
134 views

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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1answer
1k 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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1answer
446 views

Run concurrent static and DHCP network connections in CentOS 7

I've been trying to set up a VM for study purposes that can share some iSCSI resources on a private network with the IP 10.0.2.10/8. However, I also want to be able to concurrently use the same VM to ...
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How do I get the network manager applet and install openvn on Kali 2.0 Gnome 3?

I'm attempting to install VPN on my Kali Linux Gnome 3 laptop. I've followed the instructions on this page https://www.privateinternetaccess.com/forum/discussion/18003/openvpn-step-by-step-setups-for-...
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1answer
75 views

Network manager does not connect to new networks

Possibly after apt-get upgrade && apt-get dist-upgrade, the network manager does not connect to new networks, is even not showing the password which it connects already. I tried to reinstall ...
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255 views

NetworkManager issue with DNS

My NetworkManager randomly empties /etc/resolv.conf for no apparent reason. After connecting to a network, the file contains whatever was obtained via DNS. Usually it keeps its contents, but sometimes ...
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1answer
653 views

Huawei USB dongle is not working in Newly installed Arch Linux with Gnome

At the Arch Linux installation, I installed dialog & wpa_supplicant in order to connect to the internet after the rebooting to the newly installed system via wifi-menu program. After that, ...
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128 views

Cjs-Message: JS LOG: Network Manager is not running, hiding

Config: Linux Mint 17.2 (based on: Ubuntu, Debian). Note: same problem on Ubuntu 14 I removed network-manager (via apt-get ... remove). I rebooted. Now I cannot login anymore, each time I enter ...
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1answer
579 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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565 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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497 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
879 views

nmcli_dmenu doesn't work

I try to run nmcli_dmenu, here is the error message: Error: Object 'networking' is unknown, try 'nmcli help'. Usage: nmcli connection { COMMAND | help } COMMAND := { list | status | up | down | ...
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nm-applet (the little computer) does not show up in my system tray after a fresh install of Debian Jessie Beta 2

I just installed Jessie Beta 2 using the amd64 DVD images, rather than netinst images, and fresh out of the box, nm-applet doesn't show up in the system tray. The little computer right next to the ...
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1answer
657 views

Network Manager Connected - No wifi

Im using Arch and NetworkManager to handle my connection. I can connect fine at boot but randomly at some point inevitable point it will just stop. NetworkManager shows I am still connected but ...
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768 views

Connection failed to any VPN!

PPTP VPN and OpenVPN don't connect and both return error about VPN Secret in my CentOS 6.4 x64 machine! I've already tested the configurations in Windows and Ubuntu with no problem. I also noticed ...
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155 views

Why I cannot disconnect internet

When I run the command nmcli dev disconnect iface eth0 to disconnect the internet connection, it is disconnected and and after a few sconds the KDE network icon changes to and internet is ...
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96 views

How to add Public IP to Cent OS

I am trying to configure a Public(Static) IP in Cent OS 6.4. For this, I made a copy of eth0(added local IP, so that I can connect the system to Internet) and named it to eth0:0(added Public IP, so ...
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873 views

What is causing my UMTS modem to hang up?

I am trying to established PPP communication to my mobile ISP with wvdial, but I always get modem hang up message. In my syslog I can see some activity: Oct 29 07:48:47 linuxbox kernel: [31222.852253]...
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1answer
902 views

wireless enabled but can't browse internet

My laptop sees wireless ssid and connects but I get unknown host when trying to ping www.google.co.za, but I get replies when I ping 8.8.8.8, my other machine connected to the same router can surf the ...
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1answer
599 views

Frequent disconnections in OpenVPN

I'm suffering random disconnections with OpenVPN. I don't know much about the subject, maybe you can point me in the right direction? Here is the tail for /var/log/messages, it contains a <warn> ...
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1answer
594 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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3answers
327 views

4G modem works only on LiveCD in Fedora

I run Fedora 24 as LiveCD (XFCE spin) and my 4G usb-modem works great. Then I installed Fedora on my hard disk and the modem does not work. On LiveCD NetworkManager automatically recognized the ...