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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Unmanaged network icon - Network manangement disabled
I was having problems connecting to the internet either by wireless or wired connection.
I keep getting an icon in the systray that has a tooltip that says "unmanaged" and when I click on it I get a "...
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"Enable Wireless" option is disabled in network settings
I'm using Ubuntu 11.10 (dual booted with Windows 7) but I'm unable to access Internet wireless even though I can do so on Windows 7.
The output for rfkill list all is given below:
rfkill list all
0:...
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Both DHCP and static IP addresses simultaneously on one interface
We can use multiple IP addresses for a single interface in Linux (eg. eth0:0, eth0:1). But can we use DHCP and static IP at the same time? eth0:1 should have a static IP address and eth0:0 should be ...
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Lubuntu nm-applet wifi icon missing [duplicate]
I have a Lubuntu (now 14.04) installation. Recently, I logged in to find that the Wi-Fi icon had disappeared, and there was some sort of a keyboard icon in it's place. I have restarted multiple times, ...
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Ubuntu 18.04 missing wired connections in settings
I have installed 18.04 Ubuntu Server.
Then in terminal installed:
sudo apt-get install --no-install-recommends ubuntu-desktop
and when I now log into the desktop gui, my network shows as unmanaged ...
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3
answers
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How to enable/disable mobile broadband from terminal?
I use ZTE USB Modem on Natty Narwhal. Every thing works fine but sometimes it get disconnected. I want to write Shell script that reconnects mobile broadband if it is disconnected or the received data ...
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Wired Connection shared with other computers connects then disconnects in the nm-applet [closed]
connecting with shared with other computers connection in NetworkManager. Other computer gets IP but NetworkManager disconnects the shared connection after half a second.
This same setup worked ...
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Wifi Not Working On Ubuntu 14.04 Lenovo G 50-30
I am facing problem to enable wifi on my Lenovo G50-30 Below are the command out put please help me out
lspci | grep -i wireless:
02:00.0 Network controller: Realtek Semiconductor Co., Ltd. ...
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4
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How do I set up a PPPoE connection?
I have a new broadband connection and i want to connect it using ubuntu. I have a user name and a password, nothing more.
I want to know how to connect to such network, how to create the connection?
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Network Manager refusing to manage wired interfaces [duplicate]
After a new install of Kubuntu 16.10, I'm unable to convince Network Manager to manage my wired network interfaces. I've already confirmed that I can use the wired interfaces by configuing them ...
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Unstable wifi with intel 8260 [8086:24f3] (rev 3a) on Ubuntu 16.04 running on Lenovo P50
On my brand new Lenovo P50 the wifi is unstable. sometimes it connects, sometimes it does not, or just stops working. Sometimes wifi networks are shown in the network manager, sometimes not. Sometimes ...
- 111
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4
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wifi still sleeping when resume
When I put my desktop in hybernate and then put it back on the wifi is gone. It is simular to the problem described here. But to fix it you have to run a command sudo nmcli nm sleep false. But the nm ...
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Unable to connect to the internet on a Ubuntu 14.0.4 laptop using zte(reliance cdma) AC2739 USB modem
Many Linux/Ubuntu users face this problem -->(connect to internet using modem zte/etc.....) because modern dongles have USB storage + modem+CD ROM,
usb_modes switch blablabla.......................
...
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4
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Ubuntu 22.04.1 nameservers keep getting overwritten
I upgraded from Ubuntu 20.04 to 22.04.1 yesterday.
Now, whenever I toggle wifi back on (from temporarily being off), I have no internet access.
I checked:
ls -lah /etc/resolv.conf
lrwxrwxrwx 1 root ...
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votes
1
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Able to access web by ip, but not by dns name
I'd like to post a solution to a problem I've encountered in my university. The issue is closely related to this post. I asked the user whether or not he found a solution but he never responded. In ...
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7
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How can I troubleshoot "VPN Connection Failed"?
Is there anyway to get an error log for a failed VPN connection attempt? All I get is this notification and I have no idea where to go from there.
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How to disable wireless from command line
How do you disable the wireless Internet from the command line?
I tried sudo ifconfig eth1 down but network-manager seems to ignore this and keeps trying to reactivate it. What's worse is the network-...
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What is the difference between Network Manager and 'ifconfig' 'ifup', etc?
Ubuntu seems to provide at least two network "toolsets" (for lack of a better term). I'm running into conflicts between these two.
Network Manager
Something which is more like the traditional network ...
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votes
12
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Cannot log in to public open Wifi connection
As a long time user of Ubuntu (10y+) I have noticed the relationship between Ubuntu and public Wifi hotspots (without wifi security) that require login through a web page have not always been easy...
...
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Why nm-tool is no longer available in Ubuntu 15.04?
Why is the nm-tool command line tool not available in Ubuntu 15.04?
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netplan vs NetworkManager on Ubuntu 18.04 and above
What is the concept of renderer in a netplan configuration file?
What practical difference does it make between choosing a networkd and a NetworkNamager renderer?
Can anyone (in the second case) ...
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Wired connection icon is displayed instead of Wifi icon - Ubuntu 16.04
I am connected to a WiFi network but wired connection icon is shown:
Screen-shot of the problem:
I also can't see other available WiFi networks in order to connect to them.
Output for lspci -knn | ...
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How do I create a non-adhoc wifi hotspot?
I wanted to use my desktop with a wired ethernet connection (eth0) to operate my "TP-LINK TL-WN722N" USB Wifi Adapter (wlan0) as a non-adhoc (infrastructure mode) access point for my Android to ...
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8
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Why doesn't network-manager start at boot?
I think this started happening a couple of months ago when I upgraded from 10.04 to 12.04.
Whenever I reboot, network-manager does not start. I have to manually run sudo start network-manager, and ...
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Connecting to VPN prevents access to normal web sites
I have Ubuntu 10.04 installed with OpenVPN, and when I connect to a VPN, http access to non VPN sites stops working, until I close the VPN connection. To be more specific, both Chrome and Firefox stop ...
Jonathan O'Connor
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1
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How to switch off wifi on startup or from the console
I have installed ubuntu 10.04 on a laptop. Wifi is switched on by default on startup. I can disable it rightclicking the network manager icon in the gnome bar.
How can I set it to have wifi switched ...
- 2,131
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4
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The system network services are not compatible with this version Ubuntu 14.04
I have Ubuntu 14.04 LTS installed on my PC. I have created some new accounts and then after I logged in to my own account there was no internet connection. When I try to open the network settings I ...
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9
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Wireless shows up as disabled, how can I get it working?
$ sudo iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
wlan0 IEEE 802.11bg ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm
...
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Exempt programs or domain from VPN connection
When I connect to a VPN, all my network traffic is automatically routed through it. Is there a way to add exemptions to that? I don't know if adding exceptions has anything to do with the VPN protocol,...
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Cannot get Intel 7260 to work properly on Ubuntu 20.04. Disconnects intermittently; need to reboot to restart it
I am running Ubuntu 20.04 with the low latency kernel for Ubuntu Studio. (To be really specific I actually installed Kubuntu 20.04, then install Ubuntu Studio, and got the low latency kernel that way; ...
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Network manager issue: The system network services are not compatible with this version [duplicate]
I have seen relevant solutions in askubuntu and other sites but none worked for me so far.
I reinstalled network manager, modem manager, tried to upgrade them and manually install everything, also ...
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1
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How to set an NFS network?
I want to merge information found here and there in order to record in one answer all steps to set my NFS network between my two Ubuntu PCs
This is useful time to time, for example when switching to ...
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3
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Auto-connect to hidden wireless without elevating privilege
When I boot my laptop into Ubuntu 10.10, the wireless won't automatically connect; it is configured, and I can get a connection using "Connect to Hidden Wireless Network..." and selecting the name ...
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2
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Enforce VPN connection to access the Internet
I'm using a VPN when I'm online at an unencrypted wifi. Unfortunately, at my university the connection is quite unstable and at every reconnect the VPN connection is terminated and I manually need to ...
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2
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Disable Ethernet permanently to speed up boot time
I do not use the wired Ethernet Card. It seems to me that, Ubuntu is always trying in boot time to check the network via eth0, Which consumes some times and I guess this may slow down the boot process ...
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network-manager crashes [duplicate]
My networking was working fine yesterday. I shut down, went to bed, and when I booted up this morning it won't even talk to the router; network-manager crashes.
I was wondering how to upgrade ...
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WHY RTL8821CE or WIFI is Removed during Kernel Update on 20.04.4 LTS
My question is two fold.
Why does a kernel update knock out my WIFI? I am interested in the details please, the mechanism that is at work to knock it out.
Is there a way I can keep this from ...
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1
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How to correctly setup Ubuntu 18.04 LTS installed from mini.iso to use NetworkManager?
I have just installed Ubuntu 18.04 LTS from mini.iso using Ethernet/cable.
Then I have installed MATE desktop to it by sudo apt-get install ubuntu-mate-desktop^.
But the Network Manager tray icon/nm-...
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1
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Ubuntu desktop GNOME "no Internet connection" on 19.04
My computer has an Ethernet port but no WiFi devices. I just did a new installation with ubuntu-19.04-server-amd64.iso followed by apt install ubuntu-desktop.
Now, I have a working Internet ...
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network bridge - without destroying network manager
I have seen a lot of questions related to Bridge and network manager. however none of them seem to apply to what i seen AND want.
I setup my bridge in /etc/network/interfaces.
This works perfectly; ...
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PPTP VPN randomly disconnects
My PPTP VPN works fine on Windows and Android.
On Android and Windows, no specific configuration is needed only I need to check PPP encryption(MPPE).
But on Ubuntu 20.04 it disconnects randomly ...
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1
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Fresh Ubuntu Install - No Wifi Networks Discoverable
I did a fresh install of Ubuntu 16.04.3 on my laptop, which is also running Windows 10. The install was successful and during the process I was able to connect to my wifi network with no issues (I can ...
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1
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Unable to connect to mixed b/g/n wifi network on Ubuntu
I cannot connect to mixed b/g/n wifi Network. I am using wl drivers. Connection to other wifi networks is working well, but to this network I cannot connect from Ubuntu (from my android phone ...
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8
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How to restart WiFi connection?
I think I do not have problem with hardware. Sometimes the WiFi connection simply disconnects, apparently. So this is not necessarily the same as this case, I might not need to reload any modules.
...
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How to reset network manager
I'm using Mobile Broadband using a nokia mobile to connect to Internet. All I did in my Ubuntu 12.10 is add 'new mobile broadband' (in terms of networking, no other tweaks).
Problem:
Yesterday i just ...
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Cannot Import VPN connection
Since 12.04 I cannot connect to my VPN. my ovpn file is the following
http://email.uoa.gr/help/download/vpn/edunet.ovpn
When I try to import the VPN file i get the following error
The file '...
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How to automatically connect to VPN with Network-Manager
I do have a working VPN connection. Now I want this VPN connection to automatically activate when I'm in a certain wireless network. Is there a non-intrusive graphical way using network-manager-applet?...
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votes
3
answers
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Automatically disable wifi (wireless) when wired?
What's the best way to automatically disable my Wifi/wireless connection whenever I plug in a wired Ethernet cable? I'd like it to be re-enabled when I later unplug the wire.
Also, I sometimes like ...
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Where to add the Pre-Shared Key for the Server Authentication with Network Manager for L2TP/IPSEC?
Previously, I was trying to figure out how to install the L2TP/IPSEC manager code. I guess Ubuntu/Canonical switched away from OpenSwan to StrongSwan, but didn't really announce it. So that was ...
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How can I make NetworkManager ignore my wireless card?
I do not want NetworkManager to list or manipulate my wireless card. Can I hide its interface from NetworkManager somehow?
I have tried adding this in /etc/network/interfaces,
iface wlan0 inet ...
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