Questions tagged [networkmanager]

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

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Network Manager works but wlan is unavailable for nmcli

I could connect to my router using the network manager gui on my raspberry pi without any problems. But when I try to do this using nmcli the wifi connection is unavailable (before I connected using ...
3
votes
1answer
153 views

Network manager misses my network card

I've got the following network card: Bus 001 Device 002: ID 12d1:1506 Huawei Technologies Co., Ltd. Modem/Networkcard It's accessable through ip tool and properly works with dhcpcd (3rd entry in the ...
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1answer
844 views

NetworkManager corrupted ipv6 dns settings

Today, I started having most web sites failing to load in browsers. Checking my network settings, I discovered those strange settings in ipv6 tab: Switching back to my usual dns for ipv6 (Google's ...
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Kali network manager. NetworkManager needs to be running? [duplicate]

When opening my network manager on kali i get the message Oops, something has gone wrong. Please contact software vendor. NetworkManager needs to be running. I've tried service network-manager ...
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0answers
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Why can't Fedora start my (hard wired) network?

FYI: I've asked this on Superuser but not luck so I'm trying here. I'm not sure which it is more relevant to. I have a hard-wired Ethernet card/cable to my hub. I start Fedora 23 but there's no ...
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543 views

Prefer wired over wireless for local subnet using NetworkManager

My wireless network is bridged to my wired network, so both have the same subnet. How do I tell NetworkManager to give the local subnet route on the wireless interface a higher metric than the route ...
3
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1answer
4k views

nmcli connection activation failed

I was able to create a wifi hotspot on my debian 8 install using network tab under gnome settings. I was trying to do the same using nmcli but it always shows $nmcli con up id Hotspot Error: ...
3
votes
1answer
744 views

How to take down a static network interface when not connected?

I have 2 network interfaces: eth0 for LAN connection wlan2 for wireless connection I have set them static in the /etc/network/interfaces file. The problem is that I rarely have both connected at the ...
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0answers
733 views

Can I configure specified PEAP in network-manager

Here's the wpa_supplicant.conf file: ap_scan=1 network={ ssid="<SSID Name>" proto=WPA2 key_mgmt=WPA-EAP pairwise=CCMP group=CCMP eap=PEAP phase1="peaplabel=0" ...
3
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1answer
1k views

CentOS network connection breaks every 5 min

I installed CentOS 6.2 about a month ago and it worked fine. Two days ago I saw that the internet connection is broken, so I reconfigured it. I was able to use it but after a few minutes it broke ...
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2answers
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Manual Configuration or WPA Supplicant for WiFi on a University Network

I am using Debian Stretch/Testing with Xfce. I have an eight year old Acer laptop. I am currently using network-manager-gnome to connect to WiFi from the laptop at the university where I teach. Most ...
2
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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 ...
2
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1answer
2k views

dhclient-exit-hooks was not executed with NetworkManager

I configured /etc/dhclient-exit-hooks, in the old days, when I do dhclient eth0 like stuff, that script got executed automatically. Now I switched to NM, the script were never called! Althrough ps ...
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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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1answer
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systemd: who setup lo interface without ifupdown?

What component / package is responsible bringing up lo network interface with systemd as PID1 without ifupdown package? In Debian, we have quite a lot of component to manage network, ifupdown, ...
2
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2answers
2k views

Can't add docker0 interface to trusted zone with firewalld

On Centos 7 I want Docker containers to be able to reach the host so I tried to add docker0 to trusted zone: # firewall-cmd --permanent --zone=trusted --add-interface=docker0 The interface is under ...
2
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2answers
118 views

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 ...
2
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1answer
467 views

New Intel i350 NIC not detected by system, but appears in lspci - Possible Intel IGB issue?

I'm running into an issue where a new network card isn't being automatically detected by the OS. I recently purchased an Intel I350 gigabit network card. I have purchased this card before and I have ...
2
votes
1answer
938 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 ...
2
votes
1answer
293 views

Get WiFi SSID upon connection

When I'm connected to my metered mobile phone's wifi hotspot I would like to run a script to do things like kill the torrent downloader, stop syncthing, etc. When I'm back on my unmetered home wifi ...
2
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1answer
5k views

nmcli commands for static IP networking in CentOS 7

What specific sequence of nmcli commands can be used to effectively configure static IP networking in CentOS 7? The four step process shown below DOES effectively configure static IP networking. ...
2
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1answer
4k views

Arch Linux - NetworkManager unable to setup hotspot

I have network-manager and nm-applet installed on arch linux. I'm using Gnome desktop. When I try to set-up hotspot using GUI I get an error stating "Activation of network failed". This is what I have ...
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2answers
215 views

wicd does not work on read-only file system

My root filesystem is mounted read-only. I have installed wicd, but it fails to work with following error: IOError: [Errno 30] Read-only file system: '/etc/wicd/manager-settings.conf' It seems, ...
2
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1answer
2k views

“nmcli nm wifi on” stops hostapd

I have ubuntu 14.04 installed on a computer with a built-in wifi and also a usb wifi. I want to run hostapd on built-in wifi to act as an access point though no connection will be established with it. ...
2
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1answer
6k views

Check for plugged in network cable on startup

I actually wanted to post the below as an answer to this question titled: ifup eth0 timeout during boot. But am not sure if this is right approach or it's a way of screwing up things badly. We can ...
2
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1answer
2k views

Network problems after Ubuntu upgrade

I'm having real problems having upgraded Ubuntu from 10.04 to 10.10. My main problem is I cannot get a network connection either wired or wireless. When I right click the Network manager applet the ...
2
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1answer
488 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 ...
2
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1answer
438 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/...
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1answer
81 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 ...
2
votes
1answer
14k views

Why doesn't NetworkManager.service restart?

I use fresh Fedora 25 Workstation. I am practicing in network configuring and found trouble. After some time starting/stopping/restarting NetworkManager to test my configuration files, it (systemd) ...
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3answers
5k views

How to delete default route with iproute2

I used NetworkManager to connect to a openVPN server. It is configured such that all traffic passes through the VPN: > ip route default via 10.4.4.73 dev tun0 proto static ...
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1answer
200 views

Network Manager does not handle switching between networks by default

I have to transition between different networks quite often using a laptop and various docking stations. If I remove my laptop from a certain network and place it again on the same network then no ...
2
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1answer
1k views

RHEL7: Why does 'nmcli conn show' & 'ip addr show' display different connections?

My 'nmcli conn show' & /'etc/sysconfig/network-scripts' config files don't match up, showing just one connection/devices of each: [root@ciroc network-scripts]# ls |grep ifcfg ifcfg-enp0s3 ifcfg-...
2
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1answer
3k views

How to start nm-applet in xmonad?

I failed to run the nm-applet command, here is the error message: Gtk-Message: Failed to load module "overlay-scrollbar" (nm-applet:25799): Gtk-WARNING **: Theme parsing error: gtk.css:8:18: Not ...
2
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1answer
2k views

Fedora can't properly load a .ovpn file (openVPN configuration file)

When trying to use a .ovpn file in Fedora it doesn't load the certificates correctly. It opens the file, but all the certificate spaces are empty and I can't load anything into them. I can manually ...
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3answers
2k views

Listing nameservers in Ubuntu 14.04 without NetworkManager

In Ubunutu 14.04, I want to list the nameservers the machine is using. Normally I would use nm-tool to list them, but it appears NetworkManager doesn't run when no user is logged in via the GUI, and I ...
2
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1answer
3k views

How to check what `wondershaper` has done?

I used this command: sudo wondershaper eth1 20 20 to limit network traffic. The command shows no errors. But I need a command or network monitor or gui which confirms this limitation. For example, ...
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2answers
2k views

Allow Rygel to talk to NetworkManager over DBUS?

I'm trying to run Rygel, a UPNP media server, on a headless Fedora 20 system. I installed Rygel, and created a dedicated user and systemd unit for it. Rygel starts but it is not listening on the port ...
2
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1answer
69 views

How do I proceed further when my reports of a improper functioning of a gnome component has not met with answers on the respective mailing list

I am unable to connect to internet using my modem. I followed instructions to seek help at http://live.gnome.org/NetworkManager/Debugging and posted on http://mail.gnome.org/archives/networkmanager-...
2
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1answer
112 views

How do I to debug a slow network? (ArchBang)

Situation: MacBook Pro (late 2011/i3) with ArchBang has inconsistent network issues (very slow speed, pages fail to load, dns resolution failing). The workaround: systemctl restart NetworkManager....
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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 (...
2
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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: ...
2
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1answer
434 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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2answers
1k views

How to setup network on new installation of Centos 7

I have just installed Centos 7 on VMware as a quest on Windows. Surprisingly centos 7 does not install the network (i.e. no internet) after install (unlike previous versions of centos). I have gone ...
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1answer
2k views

How to connect to a hidden network with nmcli?

I can connect to a hidden network knowing the SSID that the router/hotspot has set: CONNECTION_NAME=hidden-wifi INTERFACE=wlp0s20u1 nmcli con add type wifi ifname $INTERFACE con-name $CONNECTION_NAME ...
2
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1answer
1k views

Routes added via NetworkManager are incorrect vs ip route. How do I make NetworkManager create correct routes?

When I add a route using nmcli, the route as reported by ip route show is incorrect: nmcli connection modify eth2 +ipv4.routes "10.0.6.1/32 10.1.7.1" 10.0.6.1 dev eth2 proto static src 10.1.7.1 This ...
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3answers
5k views

In Kali through VirtualBox, how can I configure two ethernet adapters using the GUI?

I want to have two network adapters in Kali through virtualbox. Adapter 1 will be NAT that can connect to the internet. Adapter 2 will be an internal ethernet adapter used to communicate with other ...
2
votes
1answer
671 views

MTU keeps getting reset to 1500

I'm running OpenSuse Tumbleweed with gnome 3.22. I need to set my MTU to 1472. If I do so with with: ip link set mtu 1472 dev ppp0 it works: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc ...
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votes
1answer
4k 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] [rdisc/nm-lndp-...
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1answer
533 views

Multiple network interfaces and airmon-ng

Before using airmon-ng on a network interface, you now have to do : airmon-ng check kill This is essential in order to be able to put any interface in monitor mode, but it stops the service network-...