Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
Join us in building a kind, collaborative learning community via our updated Code of Conduct.

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.

0
votes
0answers
18 views

“Activation of network connection failed” for wired connection, even though it works in interim (18.04)

I am connecting an external device via ethernet. In network manager, it shows the wired connection as "Connecting". I am able to ping and SSH to the remote device during this phase, the connection ...
0
votes
1answer
13 views

DNS & .local domain 18.04

I am trying to join Ubuntu laptops to our domain company.local (Yes I know .local is bad practice) I am having some issues with only what I can assume is DNS. I can't ping the domain controller (dc....
1
vote
0answers
15 views

VPN l2tp issue with VPN site to site : works on Debian, on 16.04, not on 18.04

I did open this question a few weeks ago already : 18.04 VPN l2tp issue - connects but no access to resources I'm still investigating but so far here are my findings : used to work with 16.04 works ...
0
votes
0answers
22 views

unrecognized option 'nic-ppp0'

Maybe this is a noobie issue, but anyway. I had a working dsl-connection on my Ubuntu18.04 machine, but then I changed (was experimenting while stuggling with vpn connection) parent interface from ...
0
votes
0answers
21 views

Cannot connect to Google Starbucks in last month [duplicate]

Here is the info I have from syslog. Any ideas? Aug 9 13:09:09 HP-Stream NetworkManager[799]: <info> [1533838149.5643] manager: NetworkManager state is now DISCONNECTED Aug 9 13:09:09 HP-...
2
votes
2answers
58 views
+50

block outside dns, fix dns leak ubuntu 18.04

Using dns leak test while under my VPN I discovered that it was leaking. I've setup my VPN via NetworkManager and it works properly except for the leak. First, i've tried to add block-outside-vpn to ...
0
votes
2answers
95 views

Weird problem with Starbucks WiFi

This isn't a captive portal thing. I've tried a lot already. It's not that browser pages aren't coming up when I've established a connection on Starbucks wifi and haven't clicked on accept on the ...
1
vote
0answers
18 views

No wifi autoconnect

I've got a Lenove Yoga 720 which works quite nice out of the box with Ubuntu 18.04, however after setting up VPN I'm unable to autoconnect to wifi when I start or when resuming from suspend. Rather ...
0
votes
0answers
26 views

Wired connection IP configuration not available

I am using Kubuntu 16.04. Up until today, my wired internet connection worked fine. My wireless internet connection still does. After performing the following updates: Start-Date: 2018-08-04 15:29:...
0
votes
0answers
18 views

Ubuntu Networking Issue 18.04

The problem is, whenever the system boots, the computer is unable to resolve domain requests. The NetworkManager has the correct DNS set, but it does not appear to be reading the NetworkManager DNS ...
0
votes
0answers
62 views

Enable wifi option not showing and wifi not working after installing Windows 10 with Ubuntu, wifi is working in Windows and but not in Ubuntu

I have tried so many solutions given by many experts on this forum but not able to connect wifi and Enable wifi option also not showing. It is working while boot from live USB Ubuntu but not working ...
0
votes
0answers
14 views

Network manager is not asking for password when connecting to new Wifi networks

Recently my ubuntu 14.04 LTS stopped asking for password for wifi networks. This makes it impossible for me to connect to new wifi networks. And even the wifi icon from top right of the screen has ...
0
votes
0answers
26 views

Unable to load dnsmasq.service

Hello I installed dnsmasq but when I go to run it using sudo systemctl start dnsmasq I get the error: Failed to issue method call: Unit dnsmasq.service failed to load: No such file or directory. See ...
0
votes
1answer
61 views

How to fix “ioctl(SIOCGIFINDEX) failed: No such device”?

root@Sphinx-PC:~# root@Sphinx-PC:~# airmon-ng start wlan0 Found 5 processes that could cause trouble. If airodump-ng, aireplay-ng or airtun-ng stops working after a short period of time, you may ...
0
votes
1answer
17 views

Direct network traffic through one connection+proxy, except for a whitelist

How can I direct traffic to certain sites (https://drive.google.com, https://www.npmjs.com,…) through one network connection (“whitelist”), while all else through another? **Ugly extra:**The latter ...
1
vote
1answer
39 views

Laptop wakes up by itself a few seconds after suspend or lidclose

I am running an Ubuntu 18.04.1 with kernel 4.15.0-29-generic, and my laptop (Macbookpro retina 15inch, mid 2015, MacBookPro11,5) wakes up automatically a few seconds after sleep. When I look at the ...
0
votes
1answer
23 views

Ubuntu 16.04 - Wi-fi , IP is on a network different than my gateway

I have a partitioned Lenovo pc. One partition with Ubuntu desktop 16.04, one with Windows 10. Windows has internet connection, Ubuntu does not. It is on a different network. I tried gathering some ...
1
vote
1answer
197 views

Ubuntu 18.04 netplan static routes

Need help with static routes in new netplan config. Have ubuntu server 18.04 with 2 network interfaces, ethernet and wlan. After successful basic configuring in /etc/netplan/50-cloud-init.yaml i has ...
0
votes
0answers
39 views

DNS not working in ubuntu 18

I had installed ubuntu 18 in my local computer . After the successful installation i did some modification in etc/network/interfaces file for static IP address. After that DNS not working in my ...
0
votes
0answers
17 views

Networkmanager with DNSMasq should use another DNS Server in VPN Tunnel

I am posting this on Ubuntu, since Linux Mint is quite related to it and I think this behaviour is the same on both. I am using the Networkmanager GUI in Cinnamon. My Linux Mint box connects to WLAN ...
0
votes
0answers
29 views

systems in wired and wireless connecteion receive data wirelessly but not wired in web browser

I have 2 ubuntu systems in LAN connected wirelessly as well as with wired ethernet cable. One is ubuntu 14.04 which i have made as accesspoint. And the other is 16.04 made as base station. 1. The a.p ...
2
votes
0answers
119 views

dnsmasq : failed to create listening socket for port 53: Address already in use

I'm trying to configure dnsmasq to work along with NetworkManager, the problem is when I try to run the service it fails with: dnsmasq: failed to create listening socket for port 53: Address already ...
1
vote
0answers
23 views

Use a DNS server for a particular domain when on VPN

I want to use a particular domain name server for a given domain only when connected to the VPN. The rest of the lookups should be resolved by another domain name server, including that same domain if ...
3
votes
1answer
152 views

“Activation of network connection failed” for ethernet connection

I have installed Ubuntu 18.04 on a Surface Book with dual boot, and I can't get the ethernet connection to work. Although the wifi connects, I keep getting the "activation of network connection failed"...
0
votes
0answers
14 views

Network manager is not asking for password for new wifi connections Ubuntu 14

My Network manager is connecting to existing wifi perfectly, but I am unable to connect to new Wifi connections as Network manager is not asking for password. I select the wifi network that I want to ...
0
votes
0answers
11 views

How to switch between ethernet connection profile from command line?

I created a new connection from using nmcli command line as follows: nmcli con add type ethernet con-name static ifname enp0s3 ip4 192.168.1.50/24 gw4 192.168.1.1 So as you can see the name of the ...
1
vote
0answers
33 views

How do I install the latest network-manager on Lubuntu 16.04 LTS?

Due to a bug 1211110 in network-manager, I need to update it to a latest version to fix it. What is the best way for me to do so?
0
votes
0answers
18 views

How to use 2 network connections speeds at the same time?

I have a 4G broadband, and an ethernet cable, both are having different IP addresses (different ISPs). I'm connected to the 4G router using Wifi, the problem is that the ethernet cable is really slow,...
0
votes
0answers
69 views

Network Proxy Problem

I've installed Cisco AnyConnect in my Ubuntu OS 18.04, and I was using it properly (without any problem). Suddenly I saw that it doesn't load any filtered websites when I turn on the VPN (no matter ...
0
votes
0answers
8 views

Have two internet connections in a distinct way?

I have two chrome browser profiles on my machine (home and work) and I am connected via Wifi to our work network and via USB-tethering to mobile broadband. I would love to see my work browser (and ...
0
votes
0answers
23 views

How to input default route in Ubuntu desktop with Network Manager

I am having real trouble making static default route on Ubuntu 17 and 18 Desktop (not server). For the servers its easily done using netplan and giving it routes to 0.0.0.0/0. But as for gui ...
0
votes
0answers
56 views

No network after upgrade to 18.04 (from 17.10)

After a lot of upgrading (I think 1000 packages since I didn't upgrade for a long time), I can connect to wireless networks, but I can't ping anything. It says name or service not known. Firefox will ...
0
votes
0answers
16 views

What happens when I activate 2 VPN connections on the network GUI? (open VPN)

The network GUI displays connections for the Open VPN client. I have several of them. However, whenever I want to switch to a new connection, I must first disable my current one, and then connect to ...
0
votes
1answer
52 views

Wifi Problem After Setting Static IP in Ubuntu 18.04.01 LTS

I set a static IP by following the instructions on https://www.itzgeek.com/how-tos/linux/ubuntu-how-tos/netplan-how-to-configure-static-ip-address-in-ubuntu-18-04-using-netplan.html At first, it ...
0
votes
0answers
68 views

Wifi worked in 17.10, but not in 18.04

Had 17.10 running, and all worked. Updated to 18.04, WiFi is unavailable. (I am having to type these commands and outputs on Windows laptop as there is no network) $ lspci -vnn | grep Network 08:00....
0
votes
1answer
31 views

How to select antenna with Intel wifi driver?

This question and answer Low Wi-Fi signal in HP laptop with Ubuntu 16.04 explains how to solve a wifi weak signal problem by selecting the antenna in the case of a Realtek network adapter. Is there ...
0
votes
1answer
77 views

Cannot receive DHCP OFFER on ethernet

I'm using Ubuntu 18.04. I have exactly the same issue as this thread, my laptop's ethernet/wired cannot receive DHCP offer. I can verify it's not network/server issue, as it works in live cd. Other ...
0
votes
0answers
22 views

Issue with aircrack on the latest verision of Ubuntu “(SIOCGIFINDEX) failed: No such device”

Found 5 processes that could cause trouble. If airodump-ng, aireplay-ng or airtun-ng stops working after a short period of time, you may want to run 'airmon-ng check kill' PID Name 3725 ...
0
votes
0answers
30 views

Running wicd and nm-applet together in Ubuntu 18.04

Since upgrading to 18.04 I've been having a lot of trouble with nm-applet using an fvwm desktop manager. Sometimes it works, mostly the nm-applet icon doesn't appear. While I much prefer nm-...
0
votes
0answers
36 views

VPN network-manager-openconnect no selectable Realm

I have just installed the package network-manager-openconnect(-gnome also) on my recently updated Ub 18.04, but when I try to connect to the VPN (juniper based), at the moment to insert my credentials ...
0
votes
1answer
363 views

Ubuntu 16.04 wifi ip-config-unavailable

I have the realtek pci rtl8732be wireless card. I am able to connect to ethernet and open wireless connections. When I tried to connect to my university wifi(WPA2 PEAP) it tries to connect and then ...
0
votes
1answer
36 views

How do I set a network connection as a “system connection” from the CLI in 16.04 (LTS)?

I cannot login to a 16.04.4 LTS desktop installation after reboot via SSH unless I first login to the console locally (set to boot text only, not GUI). According to this answer, network connections ...
0
votes
0answers
23 views

Getting errors when trying to statically define IP address on multiple interfaces

I have an ubuntu VM which has 3 interfaces(ens33, ens34, and ens35). What I want to do i have ens33 be on one subnet and receive its ip through dhcp and ens34 and ens35 will be on different subnets ...
0
votes
0answers
34 views

How to apply different zones to wired LAN with firewalld without end user intervention?

Using firewalld and NetworkManager, how do I apply different zones to different wired connections like one could do with private/public profiles on Windows or wireless connection on Ubuntu? Only one ...
0
votes
1answer
34 views

How to auto(re)connect to openvpn connection?

I've got an openvpn connection set up, which I basically always need to use. Is there a way to always make it connect whenever there is an internet connection?
0
votes
1answer
31 views

wireless adaptor is not connected

I have Intel(R) Centrino (R) Wireless-N 6150 adopter but my VirtualBox is not showing any wireless controller when I use to check lhsw -C Networking and unable to execute mac80211_hwsim and it ...
2
votes
1answer
151 views

No Wifi - “Activation of network connection failed” Ubuntu 16.04 & 18.04

I'm looking for some help with my Ubuntu laptop. I have an Intel Wireless 8260 card in my laptop that is unable to connect to any network. I've tried an Edimax USB WiFi adapter but get the exact same ...
0
votes
1answer
39 views

Connecting to home network drops internet after about 10 seconds (Ubuntu 16.04)

I have today had a really strange (and confusing) issue, that I cannot seem to remedy. When I connect to my local network (using either ethernet or wifi), the network appears to connect fine, and web ...
0
votes
1answer
51 views

18.04 - Wifi Hotspot does not come up after reboot

I had a working WiFi Hotspot config, but after reboot it doesn't come up. Syslog tells me : https://pastebin.com/Te4ik2Yq looks like the "Problem" is here: Jul 23 08:51:37 testmachine01 ...
0
votes
0answers
59 views

OpenVPN connection timing out

I've been trying to get my vpn running on my ubuntu build for a few months now.For some reason, any connection I attempt always times out. I've been using this guide and though I follow the directions ...