Questions tagged [nmcli]
Nmcli (Network Manager Client) is a command-line tool for controlling NetworkManager.
199 questions
0
votes
1
answer
57
views
cannot assign static ip to ubuntu machine using nmcli
I am assigning a static IP 4 address to ens33 interface on Ubuntu 24.04 using nmcli. But I'm getting the error.
Error. unknown connection 'ens33'
The commmand I am exceuting on terminal:
sudo nmcli ...
4
votes
3
answers
211
views
Are there any options for the nmcli command that outputs the SSID of a wifi including, if present, trailing spaces?
I have to do a discover the available wifi networks by command line. I know the followed command nmcli to list the wifi:
> nmcli dev wifi list | less
which, on my Linux system, gives an output of ...
0
votes
1
answer
92
views
Debian 12 (Beelink mini-PC, Intel AX200) shows Wi-Fi as “unavailable” in nmcli — solved by enabling NetworkManager and installing wpasupplicant
Question (the problem statement)
I’m running Debian 12 on a Beelink mini-PC with an Intel AX200 Wi-Fi adapter.
However, I could not connect to Wi-Fi. Running nmcli device always showed:
wlo1 wifi ...
0
votes
0
answers
38
views
Wifi disconnects automatically when its being used for around 30 seconds
I am using GNOME 46 desktop environment and Network Manager for handling network (at least I think I am). After trying to fix WiFi not connecting automatically, I stumbled upon another issue:
When I ...
0
votes
0
answers
41
views
nmcli or nmtui for Access point on the same subet as my wired connection (trying to emulate a wifi-eth router box)
I manged to create connections that issue a Wifi access point using nmcli. I did
nmcli device wifi hotspot con-name Wifi_AP_pcie ifname wlan0 ssid MirrorNET password superstrongpassword
This is ...
1
vote
1
answer
428
views
On my Ubuntu-based distro (Linux Lite), how to auto delete all network connections, disable Wi-Fi and networking as part of booting process?
My end goal here is to have no saved network connections, no enabled Wi-Fi or networking each time I boot up my computer, so that I have to go through a sequence of steps in order to access internet. ...
1
vote
0
answers
686
views
Error: Connection activation failed: IP configuration could not be reserved
I am provisioning RHEL 9 machines via an Ansible playbook that contains this task:
- name: Set DNS server
community.general.nmcli:
conn_name: "{{ conn_name | default('ens192') }}"
...
0
votes
1
answer
97
views
Ethernet connection "unavailable"
I've searched all related questions to this topic, to no avail. I've got an ethernet card on my laptop, but the connection will not work.
I checked in the BIOS, and the card is enabled. I can't ...
0
votes
1
answer
241
views
How to make ip link settings persistent on ubuntu 22.04
I'm trying to make persistent some ip links settings on ubuntu 22.04 desktop.
Commands below works fine but are not persistent:
ip link add mynet-shim link eno1 type macvlan mode bridge
ip addr add ...
0
votes
0
answers
81
views
Show encryption used by WiFi stations connected to my hotspot
I'm hosting a hotspot from my PC, which has a wired internet connection and a wifi adapter. The OS is Fedora 40, using Network Manager and wpa_supplicant. I have 3 wifi devices which are able to ...
0
votes
0
answers
40
views
Kali rtl18723be unable to view list available ssid
I have installed Kali like usual OS, in the process of installation didn't get any problems, I've connected to my wifi. But after install Kali, I can't to view list of the SSIDs by command nmcli ...
0
votes
1
answer
292
views
nmcli g gives the wrong status because there is no wifi hardware on the machine
My machine is a VM with no wifi hardware. It is connected with eth0 and everything works as it should, except for nmcli g status, which shows the "CONNECTIVITY" as "unknown" and &...
0
votes
1
answer
88
views
why nmcli got multi same ssid and null ssid access point
I tried using nmcli to get the access_point list, but I got multiple entries with the same SSID and some with a null SSID. I'm not sure whether this is a problem.
My system info: Linux Raiden 6.10.10-...
0
votes
0
answers
158
views
NetworkManger to set the device's hostname
We have a dhcp server (linux) to serve a few printers Nuc devices.
It is configured to assign IPv4 address, gateway, dns1, dns2, dns3, dns4, ntp1, ntp2, dns-search domains, domain suffix and hostname ...
2
votes
0
answers
581
views
setup vpn connection using nmcli - Connection activation failed: No valid secrets
I'm trying to configure an openconnect VPN connection in nmcli on a Debian 12 running SwayWM. I manage to connect to the vpn using nmcli with the --ask flag but it cannot read vpn secrets provided ...
0
votes
1
answer
242
views
nmcli connection modify does not work as intended when using alias
Using an alias in nmcli connection modify seems to append the value regardless of the prefix used. For example, nmcli connection modify wifi -ip4 192.168.1.10/24 does not remove the IP but add it. ...
1
vote
1
answer
3k
views
Alma Linux - nmcli " No suitable device found"
When I try to bring up a connection called wan0 with nmcli, I'm getting this error.
Wan0 is currently unplugged, want to get it configured before plugging it in.
I dont know why it's talking about ...
0
votes
2
answers
1k
views
RHEL 9 nmcli how to change permanently ethtool settings?
[root@101 system-connections]# nmcli c modify enp2s0f0 ethtool.tx-checksumming off
Error: invalid property 'tx-checksumming': 'tx-checksumming' not among [feature-esp-hw-offload, feature-esp-tx-csum-...
1
vote
1
answer
390
views
RHEL 8 IP/Kernel Routing Multi-Homed Server Issue - Cannot get a response to ping, when trying to ping from 2nd Interface
Set up/configuration:
I have a RHEL 8 server, running Asterisk 15.x, that has 2 NICs. NMCLI is used for networking
NIC0 (eno5np0) is on the trusted network and is configured as a static IPv4 and NIC1 (...
0
votes
1
answer
2k
views
nmcli not showing connections
I am new to Linux and was trying to configure my system.
I wanted to use https://github.com/ericmurphyxyz/rofi-wifi-menu,
but saw it was not showing any connections.
When I enter nmcli I get this:
lo:...
0
votes
0
answers
231
views
Create a WiFi to WiFI bridge using nmcli (WiFi Repeater)
Im using an raspberry pi zero 2. I would like to set it up to become a WiFi repeater. How could I use nmcli to set this up?
0
votes
2
answers
688
views
Run nmcli commands in chroot environnement
I have set up a chroot environment (Ubuntu Jammy). I need to run the nmcli command for some purposes. nmcli depend on NetworkManager.service, but the systemd service isn't allowed in chroot env.
How ...
0
votes
1
answer
1k
views
How can I set up a password-less AP with nmcli?
I own a USB WiFi device which works well, until I try to connect to anything encrypted.
I want to use this USB device as an AP, ideally with nmcli. How do I do so?
All the sources I've found, show ...
3
votes
1
answer
3k
views
Multiple NetworkManager connection profiles for the same ethernet interface not always work correctly
I'm using 3 NetworkManager connection profiles in a Linux distribution and all the connection profiles refer to the same ethernet interface: enp3s0. I'm using these connections to manage:
the default ...
1
vote
1
answer
2k
views
nmtui unable to activate wireless connection, nmcli dev status says wifi unavailable
I'm very new to using linux. When I try using nmtui to connect to wifi, the only option in "activate a connection" is wired connection. When I use nmcli dev status, it outputs wlo1 wifi ...
0
votes
1
answer
257
views
NetworkManager : restrict a connection to USB Ethernet wired dongles
With NetworkManager I want to restrict a connection to USB Ethernet wired dongles.
In the documentation, https://developer-old.gnome.org/NetworkManager/stable/nm-settings-nmcli.html:
interface-name: ...
1
vote
1
answer
1k
views
Option for nmcli command to get only the name of the NetworkManager connection profiles
I know that by the execution of the command:
nmcli con show
I get the list of all connection profiles present in the Linux system. For example if I execute the previous command in my Linux Mint ...
2
votes
0
answers
119
views
Extend existing wifi using unix pc access point (with same SSID)
Context
I have a PC running Ubuntu Server and connected to my internet provider’s router using an ethernet connection (and that has a static IP set up in the router's portal).
The internet provider’s ...
0
votes
0
answers
2k
views
How to enable bluetooth from the command line for using the keyboard for another device
I'd like to enable my bluetooth connection from the command line for external use on another device.
Although there's the manpage of nmcli with examples (man nmcli-examples), I couldn't make it to the ...
1
vote
0
answers
3k
views
Create WiFi 6(E) hotspot / access point
Is there a way to create a WiFi 6(E) hotspot (or AccessPoint) in Ubuntu (or Linux in general).
I was previously using nmcli but it only supports a and bg but because I use an Intel AX210 I would like ...
0
votes
0
answers
1k
views
How do I setup source based routing on Almalinux 8?
I have a server with 2 interfaces where each interface is connected to a different VLAN with an associated gateway address to route in/out the VLAN. I need traffic that arrives at a particular ...
-4
votes
1
answer
766
views
Why is my static IP address not set to what I made it in the /etc/sysconfig/network-scripts/ifcfg-enp0s3 file?
I have made the following changes to /network-scripts/ifcfg-enp0s3 file in order to try and get a static IP address (added ip i want ending in .49, added gateway, Prefix and Subnet mask (
1: https://...
1
vote
1
answer
3k
views
Modifying existing SSID using nmcli
Hi so i know i can set up a wifi network using nmcli in this way.
nmcli con add type wifi ifname uap0 mode ap con-name <WIFI_AP_NAME> ssid <WIFI_SSID>
nmcli con modify <WIFI_AP_NAME> ...
1
vote
3
answers
3k
views
Both systemd-networkd and NetworkManager starts by itself
This is ubuntu 20.04.
I stopped and disabled systemd-networkd. Then enabled NetworkManager. But after reboot both services come up. Keeps happening like that. I want to manage my server using nmcli, ...
1
vote
0
answers
5k
views
nmcli shows disconnected but network is working, many other doubts
This is ubuntu 20.04.
I am trying to prep it for VM hosting and I have 4 onboard eth ports and 6 more on PCI cards. But I am new to NM / nmcli and having hard time to figure this out.
nmcli shows ...
0
votes
1
answer
879
views
Oracle Linux: How can I source route from 2 interfaces with public addresses on the same host using nmcli?
I have an Oracle Linux 8 machine with two public addresses, similar to this example config (private addresses in example):
ens224: connected to ens224
[...]
ip4 default
inet4 ...
0
votes
0
answers
355
views
How do I script brute forcing password to a WiFi with nmcli?
The following script is meant look for the right password in the file list-of-pwds
in order to connect to a WiFi.
Once it finds the right password, it is meant not to look
anymore for the password.
#!/...
0
votes
0
answers
479
views
How to add an additional temporary IP to the connection that currently provides internet via nmcli?
I need to add a specific IP to the interface that actively provides the internet connection, like so:
network_dev=$(nmcli --get-values DEVICE connection show --active | grep w)
sudo ip a add 192.168....
0
votes
1
answer
924
views
NMCLI connection only works with 1 wifi adapter
I have 2 wifi adapters on my odroid, wlan0 and wlan1, I connected to my wifi using nmcli with wlan1 successfully, but would like to be able to connect with wlan0 instead. However it seems no matter ...
5
votes
1
answer
4k
views
nmcli Error: Connection activation failed: Not authorized to control networking
I wrote a combination .sh and .exp scripts that:
activate vpn connection
connect to remote server
download some files from server
deactivate vpn connection
This scripts should run on schedule.
I use ...
0
votes
2
answers
1k
views
Define permanent static ip at fedora server 36 without nmcli command
Working with VirtualBox 6.1.38 and Fedora Server 36 as the guest, about to define a static ip address, I am reading many tutorials about how to do this, the nmcli command is involved.
Something ...
1
vote
0
answers
72
views
Linux - Debian Tinker Asus S R2.0 board
Kernel 4.4.194
Configured as ap. Ap comes up, is available but unreliable
Android table connects perfectly
iPad, iPhone and Mac cannot connect
When android connects:
Sep 19 21:52:56 OEI-XXXX kernel: ...
1
vote
0
answers
252
views
Is it possible to assign a "nmcli" connection profile on any newly created network interface without user intervention?
We have enforced certificate authentication on our corporate wired (and wireless) network. Windows devices are easy to configure... However, Linux workstations running Ubuntu 20.04 and some 22.04 are ...
0
votes
1
answer
3k
views
nmcli bridge refuses to come up
I tried running the commands found here
But my bridge refuses to come up. Stuck in DOWN.
the slave-bridge interface is ethernet. No wifi on this host.
Tried using ip link to bring the interface up
ip ...
1
vote
0
answers
4k
views
Change connection NAME using it's DEVICE name, while down - nmcli ubuntu 22.04
I am trying something that looks very easy/simple, but since i put my question here, it's looking to be more difficult then i thought.
I have to configure edge pc's (in batches, 5-10 each couple ...
0
votes
1
answer
368
views
nmcli: limit number of active connections
Is it possible to set a max number of clients on an ethernet-interface created with nmcli?
Example: I would like max 2 devices to get a successful connection, even if I add a network-switch and ...
0
votes
0
answers
83
views
nmcli dev shows weird '\024\353\266G\005\271 wifi unavailable -- '
I am using Ubuntu 20.04 and tried to install 'TP-Link 802.11ac WLAN Adapter'
After following the procedure here, cannot connect to wifi and nmcli dev shows weird '\024\353\266G\005\271 wifi ...
0
votes
0
answers
888
views
nmcli - delete / replace DNS [Ubuntu 22.04 LTS]
I have a problem with slow DNS queries while in VPN. Until the Problem is fixed, I want to delete / replace a specific DNS.
What I've tried so far:
Change DNS in "Connections - System Settings&...
0
votes
1
answer
6k
views
How can I permanently change a network device name in CentOS8?
I want to permanently change the device name of a network interface using a portable script.
The interface gets the ugly name of enp02fghjkl1. I want to give a pretty name of netface1. I have tried ...
1
vote
0
answers
563
views
networkmanager / nmcli - possible to ignore connection.secondaries for a single connection?
TL;DR - If you have your ethernet connection defined with "connection.secondaries" in networkmanager / nmcli (to auto-connect to a vpn), is there a way to skip / ignore / override the ...