Questions tagged [network-manager]
NetworkManager is the default networking suite for Ubuntu. It is a set of co-operative tools developed by GNOME. The NetworkManager service can be controlled using the nmcli tool (Network Manager Command Line Interface) as well as by its GUI.
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networking: DNS settings ignored
For several months, I have been successfully connected to the net via a static IP with my machine that is running ubuntu (16.04.3). I recently had to reinstall the OS, and now on the same machine, the ...
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Ubuntu 18.04, network interface enp9s0 disappears suddenly
I am new to ubuntu, and I am using ubuntu 18.04 server. I configured the network interface enp9s0 with static address using netplan, and everything was working fine. Suddenly the the network interface ...
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When Ubuntu starts, networking is disabled
I notice that when my Ubuntu 16 laptop reboots, at the start up screen my WiFi network will temporarily connect, but after a few moments it disconnects.
I have edited my /etc/rc.local to have ...
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Cannot connect Kubuntu 18.04 to Enterprise WPA2 PEAP authentication
I'm having trouble connecting to my institution's wifi on Kubuntu 18.04. The laptop I'm using can connect just fine when using Windows 10. I can also connect using my username and password on my ...
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Get Network Manager name for devices from command line
Network Manager has long names for ethernet devices in parentheses: eth0 might be shown as Ethernet Networks (Intel Ethernet Connection I217-LM) in the dropdown menu.
Is there a way to list these ...
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Ubuntu 18.04 - Network manager - "Supplicant interface keeps failing, giving up" after reboot!
I'm getting this error after a reboot when the connection has been working fine before reboot. It seems if I restart my router at the same time as the reboot It has no troube. I'm using NextCloud and ...
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"connection failed. activation of network connection failed" mobile broadband ubuntu
I have spent some time looking for a solution, but I just cannot find one taht suits my situation.
I have a toshiba notebook with a built-in sim card. Running Ubuntu 18.04 with little hiccups.
About ...
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Can not SSH into machine from local network when gateway route is added to netplan config
Ok, so to SSH into this machine from the local network, I have had to set a route with the default gateway of the IP of the machine, I am sure this is wrong, my current config looks like this
network:...
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How to make LUbuntu connect to Wifi in an identical fashion to Live USB
So I tried out LUbuntu 18.04 with a Live USB stick. Everything worked great! I could immediately see that there were WiFi networks, find my network, enter the passphrase and get connected. But ...
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knockd is not started automatically
knock daemon is not starting automatically on my machine. I'm using Kubuntu 18.04.
Here is what I've tried:
I've chaned START_KNOCKD=1 in /etc/default/knockd but it's not working
I've created symlinks ...
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Ubuntu 18.04: Wired connection stops working within 10 minutes after boot
The wired connection stops working within 10 minutes after boot. I'm using MikroTik router, DHCP lease time is set to 10 minutes. It works again when i turn off/on my network in the menu (18:10:35 in ...
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Ubuntu 18.04: Unstable wifi connection with Qualcomm Atheros
Dear Ubuntu community,
I am fairly new to Linux but I've been running Ubuntu 16.04 for a year on my Thinkpad. But I am not particularly familiar with the shell or have any developer skills. Even ...
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Get disconnected from hostapd AP after association
I am trying to connect to a hostapd AP. The AP is a router (TP-LINK TALON AD7200) that is flashed to run OpenWrt firmware. When I run the command hostapd hostapd_wlan2.conf the output is:
root@TALON:...
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network-manager-openconnect certificate verification failure
This issue has been around for a while and I haven't been able to find any solution for it. It's present in Ubuntu 18.04, and I had the same issue in 16.04.
When establishing a VPN connection with ...
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Problems after remove network-manager
I've decided to test wicd in my notebook, so I uninstall network-manger. Now, Ubuntu doesn't open the configuration window anymore, even after I re-installed network-manager.
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resolv.conf permissions/ownership change after VPN disconnect
I recently installed Ubuntu 18.04. I set up a VPN through the standard Settings->Network GUI. I can connect to the VPN with no problems, but when I disconnect the VPN I cannot access the internet ...
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Static IP on LAN and DHCP on WLAN on Ubuntu 16.04
I use a Netbook with LAN and WLAN. On LAN I need a static IP for dev. On WLAN I dont can use a static IP because I am in different WLANs.
Here is my interfaces:
auto lo
iface lo inet loopback
auto ...
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18.04 Server enable dhclient at start after the network card is initialised
First of all, I may be using an uncommon system: I installed Ubuntu 18.04 Server, and then installed the Mate core desktop to it. The network card RTL8111 was not automatically recognised, so I had to ...
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How to add openvpn connection in the GUI using .ovpn .p12 and .key files
I'm trying to install an openvpn connection on my Ubuntu 18.04 laptop.
From my openvpn provider I got a username/password and a zip containing three files:
myvpn.openvpn
myvpn.p12
myvpn.key
The ...
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Connecting Ubuntu Desktop 18.04 from Windows via Network Cable using ssh(putty)
I wanted to connect to my Ubuntu desktop(18.04) from my windows 10 laptop via network cable and be able to access the Ubuntu system using putty.
Is it possible to do so ? and how?
Thanks in advance.
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How to fix OpenVPN error when using network-manager-openvpn-gnome?
I need to connect to some VPN via OpenVPN.
I am using Bionic.
It works when I run the command as sudo from terminal
~$ sudo openvpn --config somevpn.ovpn
...
Sun Jun 10 22:35:31 2018 TUN/TAP device ...
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Why don't I have a Network Manager?
I recently built a PC and then installed Ubuntu 17.10 onto it with a USB. When I went to connect to a wifi, there was no Network manager tool, so how do I enable it? I really want to know how to turn ...
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IPV6 issue on Kubuntu 18.04
I have a new Kubuntu 18.04 installation which was done from scratch, which normally works ok. What I have noticed though, is that whenever certain updates cause a ureadahead reconfiguration on next ...
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Losing internet connection BUT can connect to other computers on LAN
... and other computers on LAN have connection to internet.
Connecting via a WiFi extender to ISP provided router.
I can ssh to a computer that is hard wired to the router and show that that has a ...
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How can I prevent DNS leakage when using a VPN in Ubuntu 18.04?
I recently installed Ubuntu 18.04. I want to ensure that my DNS requests use my VPN DNS rather than my ISP DNS.
In 16.04, preventing DNS leakage was easy: just disable the dnsmasq entry in /etc/...
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automatic connect to hidden wifi
The hidden status of the Wi-Fi network I am being allowed to connect to is not my option. I am using that Wi-Fi network now, to post this question. every time I boot up Ubuntu 16.04 LTS it fails to ...
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Connection Failure on OpenVPN (Ubuntu 18.04)
I tried several times to connect to my office through the VPN, but no success.
I received from the company:
the client.ovpn
#OpenVPN Server conf
tls-client
client
dev tun
proto udp
tun-mtu 1400
...
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DSL connection not working Ubuntu 18.04
Hei,
I'm an absolute beginner with Linux and have installed Ubuntu 18.04 just yesterday.
I have tried to set up the DSL PPPOE connection first of all, in hopes of then setting up the wireless ...
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disable keychain for vpn connection?
To begin with, please be patient and keep answers fairly simple, I'm a Linux quasi-noob. But I'm a sysadmin and can usually figure stuff out, but this issue is foiling me.
I use an Ubuntu 16.04 home ...
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Ubuntu 18 - how to set up a static IP and DNS
I need to configure an Ubuntu 18 client with static IP and static private DNS IP. I changed the etc/network/interfaces file to:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo ...
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Lubuntu 18.04 with static addressing: have to continuously restart Network Manager
I recently set up static addressing on my desktop PC due to DHCP often having a DNS problem stopping me from getting online (Intermittent Ubuntu family problem: Wifi itself connects, but cannot reach ...
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Adhoc network to do p2p communication in ubuntu machines
I need to do peer to peer communication between my 2 ubuntu 16.04 machines.
I created an ad-hoc network in 2 laptops.
In the Wi-Fi settings tab, I gave SSID name as Ad-hoc and I changed the mode to ...
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Resolve.conf and network manager both set to use Local DNS but remote websites are resolved in Firefox. Why?
I'm testing a dotnet core app set up to use NGINX as a reverse proxy. To test it, I set up Bind9 to resolve example.com to my LAN IP address. I've set the network manager DNS in the top right corner ...
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How to find out ip address of AP im connected to? Not Router
I have just wired up the house and installed a trendnet tew-637ap (already had it). I had reset the AP to default. it also has an open wifi. I couldn't find the AP on the LAN table on the router (via ...
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Very slow DNS lookup
I'm on Ubuntu 16.04 LTS, and when I visit a website/curl/wget/ping/etc anything that isn't an IP address, it takes an annoyingly long time (> 5 s), whereas anything directly using an IP address is ...
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There is a delay to refresh wifi networks when switching from an active connection
I'm using Ubuntu 18.04 on a Dell XPS 13 9360.
After I select a WiFi network it connects successfully but I noticed when I try to switch to another network, the list only shows the one I'm currently ...
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Internet Connection Continuously Restart
My internet connection couldn't stay stable. It restarts almost every minute.
I am connect with cable network and my Ubuntu machine reset its internet connection almost severel second. When I look my ...
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Wireless connection issue with lubuntu
I have some weird issue with my wireless connections.
I can connect to a network, it works for a few seconds, and then there's a DNS error, I can't browse or anything, on chrome it says DNS Probe ...
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Ubuntu 18.04: PCI WLAN can't connect after upgrade
I recently upgraded my PC's(Lenovo ideapad 100) OS from Ubuntu 17.04 to 18.04 and since It can't connect anymore to Wifi-Networks using the inbuilt PCI adapter -- using a USB-adapter works fine but is ...
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How to share wired network connection in 18.04
I had been sharing my network connection through my computer (previously windows 10) with two other computers using usb-ethernet adaptors, and I can't get it to work now that my host computer is ...
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Wifi driver hard blocked after suspend - Airplane mode in Ubuntu 18.04
I am using HP Pavilion. The wifi switches off and the Airplane mode is switched ON after a suspend. It prompts me to use the Hardware Switch to disable it. But that does not work.
From what I have ...
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Traffic not routed through VPN connection when connected by network-manager
I'm trying to use wireguard vpn with NetworkManage, but i have a problem with routes. When I connect with exact same settings via wg-quick, it works perfectly, but NetworkManager adds unneeded routes ...
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How can I disable wlan by default in the network manager?
I use Ubuntu Mate 16.04. I do not use wlan usually, but if I need it, I want wlan to be available. To disable wlan, I deselect “Enable Wi-Fi” in the network manager's applet. This seems to ...
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Cannot ping wlan until I plug a cable...?
I have a brand new Cirrus7 NimbusV2 and I love it.
But I am facing the following problem: I cannot ping the box on its wlan IP address until I plug an ethernet cable.
Here is the output of ip addr:
...
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Both static and SLAAC IPv6 address for a NW connection
I`m trying to have a workstation with (at least) 2 IPv6 addresses. One address would be a static manually configured IPv6 address and the other would be an auto-generated one from SLAAC (there could ...
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How to use neworkd instead of NetworkManager on ubuntu 18.04 desktop
I'm looking for the correct way of configuring the network with static IP on Ubuntu Desktop 18.04, but from the command line and not the GUI.
Thank you
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Ifconfig in Ubuntu 18.04 is not working [duplicate]
Recently I have switched from Ubuntu 16.04 to 18.04 and I have found that ifconfig is not working in Ubuntu 18.04.
So what alternative does Ubuntu 18.04 offer and what is the reason for removing/...
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Ubuntu 18.04 - Tp Link dongle - fail connecting network ( model TL-WN821N )
I'm using a fresh installed Ubuntu 18.04 on a PC, which mainly uses a wired network, but a wifi connection is also needed from time to time. For that, I'm using a wifi dongle - which works OK when ...
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OpenVPN AutoStart Ubuntu 18.04
I am trying to set OpenVPN to autostart on boot. With 18.04 Mate I have tried my usual put opvpn config into /etc/openvpn and then edit /etc/default/openvpn to connect all. This does not work, ...
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Dogged persistence of NetworkManager
18.04 MATE
I have apt purged NetworkManager and deleted any residual NM files I find, yet there re-appears a NetworkManager directory in /run.
And most curious there is this :
root@home:/etc/...
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