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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Network Manager missing after update: no connectivity
After an update and restart, I found that the network icon on the top is missing and so, I cannot connect to LAN, wifi, USB modem, nothing. Now, I am booting from a Live USB, then chrooted to my ...
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"connection not visible or not available" after switch DSL to LAN
I had a company computer(ubuntu 12.04LTS) taken home.
My home use DSL and my company use LAN to connect to internet.
The computer works well in my company, but I have to config it after taken home.
I ...
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What can I do when the Network Manager tray/panel icon stops responding?
Sometimes the networking program (controlled via drop down menu from the wireless symbol in the top right of the screen) hangs on my laptop (ASUS U36JC).
I have tried "sudo killall NetworkManager", ...
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after upgrade to 12.04 network manager doesn't work at all [closed]
I find in syslog some messages
"network manager(PID) terminated with status 1"
If I try to run NetworkManager manually I get
"Failed to read classid fil: Object not found"
In 11.10 it was working ...
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/etc/resolv.conf managed by NM? [duplicate]
Possible Duplicate:
How do I add a DNS server via resolv.conf?
I discovered (with great disappointment) that in 12.04 the file /etc/resolv.conf no longer contains the real nameserver IP, but just ...
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How to prevent Network Manager from auto creating network connection profiles with "available to everyone" by default
We have several laptops at work which use Ubuntu 11.10 64bit.
I have our Wifi Access Point requiring WPA2-EAP Authentication (backed by a LDAP server).
I have the staff using these laptops when ...
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1
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How do I get my Mblaze USB modem working?
I am new to ubuntu and have installed version 11.10 alongside windows. I have got a mblaze MTS wireless usb which I use to connect to internet. I have installed its drivers which were provided by ...
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Networking failing on both wired and wireless connections [closed]
Running 11.10 on a Lenovo B570, maybe a month old. When I try to connect to a network, wired or wireless, nm-applet does its normal "connecting" animation, but sort of "spasming" at the end of the ...
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Keep Xubuntu Network Manager from overwriting resolv.conf [closed]
How do I keep Xubuntu 11.10 from overwriting resolv.conf everytime I reboot my machine?
Everytime I reboot, I get an overwritten resolv.conf that has the words # Generated by Network Manager and no ...
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Sharing any Network Connection starts a connection/disconnection loop
Am trying to Share an internet connection to another PC. I have tried doing it wirelessly and wired. Both ways when trying to share it connects and disconnects several times until failing to connect ...
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Wired network disconnected by NetworkManager - how to fix? [closed]
Ubuntu 11.04, classic desktop. Hardware is working fine, and network was working previously, but after changing my location (and rebooting the machine), Ubuntu just says 'Wired Network Disconnected'. ...
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ConnMan not detecting already existing wireless network
Old title : Wireless connected, but no internet until I re-add network
Every time I boot my Laptop, it doesn't connect to Internet.
Although upon boot it does say "Connected to ", but when I try to ...
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Why is Ubuntu Natty still using Network Manager instead of ConnMan? [duplicate]
Possible Duplicate:
Will ConnMan replace NetworkManager on the desktop for 11.04?
I've been using the new Network Indicator in Natty as installed from the this article:
http://www.omgubuntu.co....
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Network connected but can only access some sites [duplicate]
I am using Ubuntu 22.04. I recently moved to a new place with a different wifi. When I connect to the wifi on other devices running Windowns/android/iPodOS everything works well. But on my ubuntu I am ...
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Wifi Stopped Working in Ubuntu 20.04 After Restart
A few days ago, after I restarted my laptop and wifi icon isn't even showing anymore. I didn't have any problems with my wifi connection before. When looking for answers I found that these information ...
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How to create a non-nat access point with nmcli?
I am trying to create what is essentially a home router with nmcli. I would like the client devices that connect to be on the same subnet regardless of whether they connect with ethernet or wifi. ...
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1
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Ubuntu 14.04 no longer detecting eth0
I have set my eth0 to Shared Internet with other and that used to work.
I can't figure out what I may have done to break this, but the eth0 doesn't seem to detect the link ... sometimes it does and ...
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2
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How do I enable wireless on HP Pavilion dm1?
My wireless network is physically enabled and the "enable wireless" appears properly on the top menu, however checking it doesn't seem to have any affect. Anyone came across this problem? I have a new ...
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1
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Why don't I see my IP address?
I looked up few sites to know how to check my ip address and they asked me to open network panel and then open th wheel button and look up the address mention against ipv4.. but I don't see any ipv4 ...
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3
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"Waiting for network configuration" then no network for 5% of boots
This doesn't occur very frequently. It did used to happen about 30% of the time, and then I opened the computer and found that the wifi PCI card wasn't screwed in properly. I did the screw up, and now ...
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3
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wireless not showing up in network manager applet [closed]
there is only the wired connection option available when the menu drops down. i have installed a belkin wireless g card for my desktop. it has been used before on this version of ubuntu 10.10, but ...
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1
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Running Xubuntu, the network icon is missing and can't get it back
For the life of me I can't get that network icon back. I have restarted the X server, ran "nm-applet" and restarted NetworkManager. Any ideas? I can provide output for commands if needed.
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Password field is disabled int network manager vpn
I installed network-manager-l2tp-gnome and when I create new L2TP vpn connection the password field does not work
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SSTP VPN on Ubuntu 20.04 - can't install sstp network-manager plugin
I have installed Ubuntu 20.04 and have problem when I try install sstp network-manager plugin. In old versions I used the repository ppa:eivnaes/network-manager-sstp and it worked! but on 20.04 I have ...
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How to execute resolvconf without warning?
I configured NetworkManager, so that it maintains symbolic link from /etc/resolv.conf to file in its directory - /var/run/NetworkManager/resolv.conf
ls -l /etc/resolv.conf
... /etc/resolv.conf -> /...
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2
answers
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Is there a way to view a list of previously joined networks? 14.04
From Windows Vista onward, previously joined networks are stored in the
HKLM\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\NetworkList\Signatures\Unmanaged
registry key.
I am wondering if there is a ...
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4
answers
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Setting a static IP address.
I'm trying to set a static IP address in 12.10.
When I run ifconfig, I find that both lo and wlan0 have downloaded packets. In my /etc/network/interfaces file it says auto lo. Which should I be ...
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2
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Moving up network manager start time
A previous question having yielded no conclusive results, so i would like to know if is possible to move up the time when the Network Manager starts to be earlier in the boot process, since it takes ...
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2
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I want my network connections immutable, instead of getting "System policy prevents control of network connections" dialog
I have a Kubuntu Ubuntu 20.04.2 LTS server.
Every time anyone remotely logs in with via xrdp, they are always shown a dialog
System policy prevents control of network connections
and they are asked to ...
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1
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Wifi usb not working Ubuntu server/desktop 20.04.1 TP-link archer t4u ac1200
I have a TP-link archer t4u ac1200 which isn't working on Ubuntu. I tried almost all the drivers I could find on the internet but they aren't working. Reinstalled the server 2 times now for a fresh ...
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Set URL for captive portal detection
Is it possible to set a custom URL for captive portal detection in Ubuntu?
Ubuntu uses https://connectivity-check.ubuntu.com by default to check the connection. Is there a way to change this URL, ...
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Unable to connect to ethernet. ethtool reports unknown speed and unknown duplex
I am trying to receive an internet connection through ethernet. My desktop is running Ubuntu 16.04.
The network manager applet reports as having connected to enp0s31f6, yet my computer has not ...
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1
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Ubuntu (alternate) server 18.04: no network interfaces
I installed Ubuntu 18.04 using the alternate server installer. During the installation no network interfaces were detected.
I could not figure out how to setup networking (neither ethernet nor wifi). ...
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Stop network manager modifying resolve.conf in Ubuntu 18.04
Network manager keeps modifying resolve.conf and there is no stopping it in Ubuntu 18.04. I tried removing write permissions, change resolve.conf symlink to another file and... I also looked at ...
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3
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NetworkManager sets nameserver to 127.0.1.1
I upgraded to artful and suddenly have DNS problems. It looks like NetworkManager is setting a custom nameserver in /etc/resolv.conf
# Generated by NetworkManager
search fritz.box
nameserver 127.0.1....
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How to select 2.4G band in a dual band network
We have an ASUS RT-N66U "dual band" router. This means it is capable of 2.4G and 5G simultaneously.
It is currently configured to make one network with both bands. For instance, everyone in the house ...
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1
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How to randomly change the MAC on each boot in 16.04
On previous Ubuntus this was easily achieved with macchanger, but it seems not to work on 16.04. The MAC just seems to reset to the default as soon as a connection to the Internet is reestablished. ...
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1
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I can see WiFi networks and try to connect to them, but it won't work (no error messages)
I have a fresh install of Ubuntu GNOME 17.04. I was not able to connect to the Internet while using a live USB, but decided to install anyway and try to fix the problem later. Unfortunately, I was not ...
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1
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What is the new syntax for `nmcli show` and `nmcli modify`?
This has been asked before at https://unix.stackexchange.com/questions/114364/nmcli-no-longer-allow-settings-modification - but never answered. So I'll try asking here:
You can see from diverse posts ...
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2
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Why doesn't the NetworkManager GUI need sudo privileges?
As a normal user, I can create network connections and VPN configurations via the NetworkManager GUI as desired, and the configuration files end up in the write-protected /etc/NetworkManager/system-...
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1
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Route IP range outside of VPN?
So I am somewhat more of a newb when it comes to routing IP ranges. My main problem is that I need to route a couple ranges outside of a VPN that I use.
I've run into a few issues with this.
I don't ...
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2
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How to install RTL8723AE driver on ubuntu 16.04?
I'm trying to config ubuntu 16.04 on a MSI s12 notebook, but the network adapter (RTL8723AE PCIe Wireless Network Adapter) is not recognized by ubuntu.
$ iwconfig syas:
lo no wireless ...
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2
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Intermittent NetworkManager error on importing .ovpn files or editing such connection in 16.04 only?
"connection.gateway-ping-timeout: cannot set property: value of "###" of type 'guint' is invalid or out of range for property type 'gateway-ping-timeout' of type 'guint' "
"###" is sometimes a ...
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2
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DNS Issue in ubuntu 14.04
I am facing DNS resolving issue sometimes in my Ubuntu 14.04.2 LTS trusty.
I have configured my system with network manager to work with static IP assignment. I have also tried by changing DNS server ...
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2
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Intermittent wired network issues in 14.04
Since yesterday, my wired network connection has been dropping for a couple of seconds every 30 seconds or so. To my knowledge, I had not made any changes to my network.
Output of ifconfig -a:
➜ ~ ...
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4
answers
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Can't connect to PPTP VPN, even though it used to work and I didn't change anything
I am pretty new to Ubuntu and Linux, so forgive me if this is obvious.
I set up a PPTP VPN connection the other day. It worked perfectly fine, but one day to the other, it didn't anymore. I used it on ...
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1
answer
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Wireless n-networks in Ubuntu 13.04 and WICD
I just installed Ubuntu 13.04 on my Lenovo E530 laptop, and found myself having trouble connecting to the company's wireless network which uses the n-standard. I have no trouble connecting to g-...
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2
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No WiFi on HP Netbook 2133
After installation of 10.10 in my HP Mini 2133. I have no wireless connexion.
The blue led is on but no way to detect the WiFi beside me.
The WiFi integrated card is a Broadcom BCM 4312 802.11 a:b:g (...
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2
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Wifi speed slower on Ubuntu 22.04 LTS than on Windows, iOS [Qualcomm Atheros]
Problem:
WiFi is much slower on Ubuntu 22.04 LTS than on Windows 10. The connection has download speed around 21-26 Mb/s and similar upload, while on Windows and on iOS the download is 330-360 Mb/s.
...
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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 ...