Questions tagged [networkmanager]

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

Filter by
Sorted by
Tagged with
1
vote
1answer
774 views

Debian 9: Is there any GUI to add OpenConnect VPN-connection in ConnMan?

On a lightweight Debian machine I am using ConnMan instead of NetworkManager. For this I installed ConnMan based on the following packages: connman connman-vpn cmst Ethernet, wifi, virtual bridges ...
0
votes
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 ...
0
votes
0answers
35 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 ...
1
vote
1answer
398 views

dnsmasq's server option doesn't work for a specific domain

I have configured dnsmasq as a local DNS server. Now since my ISP does not resolve some-company.sharepoint.com I want to use Google's servers for the domain sharepoint.com. (See here for the windows ...
1
vote
2answers
813 views

sshd failed due to network not yet available

I'm running Arch Linux. After I reboot, the sshd.service fails to start due to the network not yet being up. I have to manually run: sudo systemctl restart sshd Once I do that, the sshd service ...
2
votes
1answer
2k views

Use nmcli to display the status of a connection

I'm wondering how to display a connection status using nmcli. I understand that the following will display a list of configured connections: nmcli con show And I also understand that the following ...
2
votes
1answer
69 views

Why can't I change my MAC address to this address?

Why can't I spoof my wifi card's MAC address to 1F:2E:3D:4C:5B:6A. Is that address invalid? root@:~# ifconfig wlan0 down root@:~# ifconfig wlan0 hw ether 1f:2e:3d:4c:5b:6a SIOCSIFHWADDR: Cannot ...
0
votes
0answers
61 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 ...
1
vote
2answers
3k views

How do I install NetworkManager-wifi on Debian?

I've been fighting my laptop for a few hours now trying to get the wifi to work. I have the drivers installed and iwlist scan manages to find the access points in the area, however NetworkManager isn'...
0
votes
0answers
70 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 ...
1
vote
1answer
960 views

MAC address keeps changing

I am using NetworkManager on CentOS7. Every time I restart NetworkManager ifconfig shows the MAC adress as something else for the wireless card. I am specifying the MAC in ifcfg-AP_NAME which never ...
5
votes
2answers
5k views

NetworkManager fails with “Could not find source connection”

When trying to connect to a VPN using openvpn through NetworkManager, it fails with Apr 17 02:03:17 GAMINGSTATION NetworkManager[1922]: <info> [1523923397.5294] audit: op="connection-...
2
votes
1answer
436 views

NetworkManager(dhclient) fails to update DNS server

I'm getting troubles trying to navigate in a new network, Network manager starts dhclient as follows: root 981 0.0 0.0 16124 3660 ? S 11:31 0:00 /sbin/dhclient -d -q -sf /usr/...
1
vote
1answer
2k views

GSM device unavailable in NetworkManager

I've been trying for the last few days to set up a GSM connection on my new ubuntu box. However, I can't seem to get Network Manager to manage it correctly. The box is a compulab fitlet2 and the cell ...
0
votes
1answer
974 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 ...
1
vote
2answers
2k views

cellular modem: pppd modem hangup

I am trying to establish a cellular connection to Verizon through my Multitech Multiconnect Dragonfly (MTQ-LVW3-B02). I am able to connect to Verizons network and get an IP address. The problem is ...
0
votes
1answer
3k views

What is BROWSER_ONLY option in ifcfg-* network configuration files?

In my RHEL 7 minimal installation with Virtualization profile I found that interfaces configured with network manager(s) contain BROWSER_ONLY=no option, which is always set to no by default. Server is ...
0
votes
1answer
43 views

Network Manager: full internet access, but through which device/connection

The command nmcli connectivity check can tell whether the computer is connected to the internet, or (only) to a local network. Is there a way to obtain information about the connectivity through a ...
1
vote
1answer
377 views

Static IP with NetworkManager

I had my network config fail after upgrading from Fedora Server 26 to 27. The issue appears to have been due to the upgrade starting NetworkManager which in turn overwrote /etc/resolv.conf. I got it ...
1
vote
0answers
211 views

I can't connect to network in Scientific linux 6.9

I installed scientific linux 6.9(based on redhat 6 ) on my surface book but it doesn't connect to my wireless network . When I open system preferences + network , it doesn't find any existing ...
0
votes
0answers
149 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 ...
0
votes
1answer
371 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 ...
1
vote
2answers
451 views

Wifi stopped working on Arch on Macbook Air after system update

After an Arch system update today, my wifi stopped working. This is on a Macbook Air 2012. % nmcli ...
7
votes
1answer
4k views

Where does GNOME Network Manager store passwords?

In Network Manager, under the Identity tab, I can enter a username and password for my OpenVPN connection. I can also enter a password for the "User private key". Both password fields have the ...
1
vote
1answer
45 views

NetworkManager 1.10.2 segfaults when shorewall starts

I am trying to debug an issue that happens all the time. NetworkManager is running and upon connecting to a network, I am using a dispatcher script to setup my firewall rules (shorewall, and it is ...
3
votes
2answers
744 views

Static ARP entry to fight against fake routers and ARP poisoning

I am currently studying about arp spoofing attack (mitm). Most common linux distributions seems to be by default exposed to these kind of attack. However, a simple solution seems to set gateway arp ...
5
votes
3answers
12k views

Unable to connect to any wifi with NetworkManager due to error: Secrets were required, but not provided

Using NetworkManager on Arch Linux on a MacBookPro14,3, I am unable to connect to any wireless network. I've tried connecting to a number of different WiFi networks (home, mobile hotspot, work) all ...
2
votes
1answer
4k views

Can't connect to vpn with Network-manager

I just installed a clean install of Kali Linux and i'm trying to use Openvpn through Network-manager but every time I press the connect button it instantly flicks back to off. (I'm using the .ovpn ...
6
votes
1answer
3k views

Linux disables ethernet auto-negotiation on plugging-in the cable?

I recently noticed I am only getting 100Mbit/s of througput on my gigabit home network. When looking into it with ethtool I found my ArchLinux Box was using 100baseT/Half as link speed instead of ...
2
votes
0answers
57 views

Debug friendly alternative to NetworkManager?

NetworkManager is great, when it works. When it fails I find it completely impossible to debug. Is there an alternative that is similarly easy to use, but which also shows you what is being run, so ...
1
vote
2answers
525 views

How to assign static ip to devices connecting over wifi using Network Manager?

I have several devices connected to my wifi, and I need to assign them a static ip address, but NetworkManager gives them sometimes different ip addresses. I tried adding a file in /etc/network/if-up....
1
vote
1answer
83 views

Computer needs a restart if internet connection restarts/disconnect and reconnect in Linux mint

I am working on a Linux mint machine in my office. There are two internet connections. We often switch the connection due to the error in one connection. But once the switching is done, I need to ...
0
votes
1answer
390 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 ...
0
votes
2answers
4k views

How to create a strongswan VPN connection in Ubuntu 16.04?

The drop down in Edit connections... -> Add -> choose connection type of the network-manager only shows the Point-to-Point Tunneling Protocol (PPTP) although strongswan VPN is installed. Why and ...
0
votes
0answers
134 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)"...
3
votes
1answer
748 views

How to override a vm DNS servers?

I'm running a CentOS 7 Virtual machine and it's picking up the DNS nameservers from my Fedora 27 system via DHCP I believe. I am trying to change the DNS nameserver in /etc/resolv.conf to google name ...
2
votes
1answer
229 views

Unable to connect to Network using wicid-curses [closed]

Introduction This is a fresh install of Debian stretch + Gnome Using Ethernet cable. Installed the wireless drivers for my Wi-Fi card in my laptop, and then connected to the home network. Decided to ...
4
votes
1answer
1k views

Wi-Fi just won't work on Ubuntu 17.10

I was able to use Wi-Fi on my Ubuntu 17.10 before I changed the name and password of my router. Since then I have been unable to use the internet. My network manger is not even showing available ...
2
votes
2answers
2k views

I can't ping6 my domains from outside. Destination unreachable: Administratively prohibited

Setup Desktop computer (MyComputer) Mobo: ASRock Distro: Arch Linux Yunohost Server (Yunohost) Mobo: Raspberry Pi 3 Distro: Debian Main App: Yunohost/NextCloud Domain registered at godaddy.com (...
0
votes
1answer
557 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 ...
0
votes
2answers
934 views

Back up and restore Network Manager configuration?

I'm running the MATE desktop environment and use Network Manager (and its GUI) to manage my network connections. How do I back up its configuration - including all of its remembered WiFi networks - ...
0
votes
2answers
816 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 ...
1
vote
1answer
3k views

need to configure a static ip using nmcli but can't see how

I'm trying to create a static ip using nmcli in CentOS 6.9 but couldn't do so, as the man nmcli is not showing enough options like the online examples. To make you all to understand I'll paste the man ...
0
votes
1answer
3k views

wifi-menu isn't connecting to Internet and giving errors

Previously, my wifi-menu has been working fine and I could connect on my home network, but I noticed my GUI Network Manger wasn't working so I used these commands. systemctl enable NetworkManager....
0
votes
2answers
2k views

How can I find out what plugin is missing in nmcli?

I'm trying to reuse an old Asus EEE "a-la-RaspberryPi", as a small, single task unit. Since I am familiar with Fedora, I have installed Fedora 27 on it via VNC (the default graphical installer is too ...
1
vote
1answer
49 views

NetworkManager recognizing only a specific configuration file

I'm trying to connect to the 'eduroam' wireless network at my university through a Raspberry Pi using the command line. After struggling with wpa_supplicant configuration files I decided to use ...
2
votes
1answer
242 views

Can NetworkManager temporarily not manage a modem device completely?

I temporarily want to send AT commands to a modem for development. But since I installed NetworkManager on my embedded system, I can't reach the at command port anymore (using minicom, it tells me: ...
1
vote
2answers
5k views

Access Cisco AnyConnect VPN from Linux Mint 18

From the Cisco AnyConnect client (Mac and Android), I connect to a given VPN using only: Server Address Username Password How do I accomplish the same in Linux Mint 18.1 (based on Ubuntu 16.04 ...
2
votes
0answers
141 views

Network Manager user-side dispatcher scripts

This answer gives a solution to run scripts when a connection has been set up by NetworkManager. However, I'd like to run my script (that auto-connect to some special kinds of hotspot) as a non-root ...
5
votes
1answer
2k views

NetworkManager-configured dnsmasq failing to forward requests

I use Lubuntu 17.04, on which the NetworkManager service (subsystem?) performs some configuration actions when I connect to a new network. One of these is (re)setting the /etc/resolv.conf file to: # ...