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Questions tagged [interface]

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Permanently Assign Windows Attributes To Applications

I use multiple workspaces like most sane people on Ubuntu 20.04. My question is: How do I permanently assign window attributes to an application window whenever it launches such as "Always on ...
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How to configure Ubuntu server netplan sriov vlan tagged vf?

How do I configure vlan tags on specific SR-IOV vf interfaces with netplan? I tried the following to prove that vlan tags work on a regular interface: network: ethernets: enp94s0f2: ...
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modprobe intel_rapl_common: no such device on Intel Core 11th-i7 dual-boot system

I am using a Dual-boot laptop (Windows10 and Ubuntu18.04 LTS), and I am trying to using the Intel RAPL interface for power measurement in Ubuntu. When I want to use sudo modprobe intel_rapl_common to ...
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Ubuntu Server 20.04.4 Network Interface Status Unclaimed

I just installed the latest edition of Ubuntu server on a brand new PC I'm building, but I do not have a network connection. The motherboard is an MSI B560M PRO-E with an Intel i5-10400 CPU. I ran the ...
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How to change interface configuration from terminal

How do you change the IPv4 method in an interfaces from the terminal MAC address IPv4 Method My goal is to change IPv4 from automatic DHCP to shared to other computers also in identity section I want ...
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2 answers
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Having issues with audio quality when I play it through my Focusrite Audio Interface

Main Problem I have a USB audio interface (Focusrite Scarlett Solo 2nd-gen) for headphones. When I play audio through my audio interface, It sounds like a chip tune song or like an 80s video game. ...
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Problems with the home directory

All the files that are in the home directory are showing up on my Ubuntu iterface. I created a directory called problems (last directory in the image) to put the directories that are in the home ...
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Calico/flannel cni created interfaces gets deleted in Ubuntu 20.04 Arm64 platform upon restart

I have been trying to install kubeadm based k8s cluster on Macbook M1. I am using VMware Fusion tech preview to visualize Ubuntu Arm64 platform. Following is the OS build info. abhilash@lvm-master:~$ ...
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How to enable Focusrite Scarlett 4i4 Gen3 mixer on Ubuntu Studio 20.04.3

I have installed Ubuntu Studio 20.04.3 on my Lenovo Thinkpad W520 with success. It appears to work very well, using the included DAWS as well as others. What a fantastic collaborative project! I would ...
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How to add New Ethernet Interface and connect it to the WiFi interface on Ubuntu 20.04 LTS Server?

So for one of software that I want to use I need 2 Ethernet interfaces. One will be used for internet connection (eth0, dhcp and connected to internet router), and the other for connecting to other ...
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Interfaces monitoring with control

is there any web software that allows you to automatically monitor all interfaces in the local network? And will he allow them to control, need to be suspended? Thank you
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None of internet connections possible

After a difficult process resizing my root partition, messing up and reparing boot partition, none of the internet connection methods work. My drivers where installed before and dont seem to be gone. ...
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Enabling IPv6 on interface

I have a lot of trouble enabling IPv6 on physical interface, everything seems enabled or not disabled: $ ifconfig enp1s0 enp1s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet ...
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Incresing text scale on applications

For example, here's a screenshot of Minecraft launcher running on my computer: As you can see everything is absolutely tiny. In fact, this doesn't just apply to Minecraft, it applies to pretty much ...
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airmon-ng creates link/ieee802.11/radiotap interface instead of link/ether interface

I want to create a monitor interface to capture packets so i used airmon-ng start wlp2s0 which creates wlp2s0mon interface but this interface only recieves 801.11 protocol packets in wireshark and the ...
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How to get the network interface through which traffic is routed

I am trying to figure out through which interface my traffic is routed and to get the local ip address associated with that interface. This will make me differ between cases where vpn access is ...
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Open System Status Menu from terminal [duplicate]

I'm looking for a command to open this menu and bind it to the right Win key.
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How to remove virbr0 and virbr0-nic from ubuntu server

I have Ubuntu server on my virtual box and all of a sudden I have 2 new interfaces "virbr0" and "virbr0-nic" and I would like to remove them. (I dont have virt-manager installed on ...
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No wifi in Lubuntu. wlp5s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000

Quick intro: I'm new at Linux, but i love to learn and research From one day to another wifi just stopped working It works fine in other devices I've been trying for 2 days and still nothing Info: ...
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xdman zoomed to 500% and is unusable

I recently installed Xtreme Download Manager on Ubuntu and since the window and all the buttons and texts were too small, I changed the zoom percentage to 500% (!) in options. Now when I open it, all ...
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Internal network with Netplan in Ubuntu 21.04

I'm trying to implement a simple internal network (client - router - server) in Ubuntu 21.04 on VirtualBox. I'm new to Netplan and I have the configuration for Ubuntu previous releases (16.04) with ...
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How to bring up wifi interface automatically on Focal?

Using Ubuntu Focal..... I am not able to get the wifi interface to come up automatically on each boot. I don't need dhcpcd.... I just need the wifi device up so I can run wpa_supplicant. I modified /...
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Lost custom settings upgrading Ubuntu from 20.10 to 21.04

Argh. I went ahead and upgraded Ubuntu but didn't realize it wouldn't preserve my system settings - background, menus, system theme, preferences, system sound, settings, fonts, everything... I can't ...
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1 vote
2 answers
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How to enable clicking the top-right corner of the screen to click the close button?

I am trying to get this done: Move the cursor to the top right corner of the screen and click the close button to close a maximized window. instead of this: Move the cursor to the top-right corner ...
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What is the simplest way to make ip link add/addr commands exist after a reboot?

after each restart of my server (ubuntu server 20.04) i have to give these commands: sudo ip link add macvlan0 link eth0 type macvlan mode bridge sudo ip addr add 192.168.1.200/29 dev macvlan0 sudo ip ...
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Network interface not being found in newer kernel version (ubuntu 20 LTS)

The symptom is this, if I pick kernel version 5.4.X I will have a network interface connected to my router (it's on the motherboard), if I pick kernel 5.8.X I will not have a network interface, and no ...
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4 votes
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Ubuntu 20.04 on a ThinkPad T14 gen 2 - No wifi detected

I tried in a first place to install Manjaro on my new computer, unfortunately I was not able to connect it in Ethernet or Wifi. At this moment, I thought that Manjaro was broken so I decided to move ...
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3 votes
1 answer
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Moving a pop-up application window moves main window on Ubuntu 20.04

I just upgraded to Ubuntu 20.04. When I have an application open and and then open any pop-up window of that application moving the pop-up moves the main window with the pop-up. I would like to ...
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In JACK-Connnections, Yamaha AG06 Interface is listet as ALSA-MIDI not as Audio

After programming my Behringer FCB1010 FootController using a Midi-USB-Interface, JackCtl now lists my Yamaha AG06 as a ALSA-MIDI device but AG06 is an audio-interface. Why is this detected wrong and ...
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How do I hide the black bar on top?

How do I hide the black bar on top? ubuntu 21.04
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Ubuntu network interfaces

So on my laptop I have two interfaces enp1s0 and wlp2s0 and if I want to use either one of them I have to run ifconfig x down on the other. For example if I don't do that to enp1s0, it shows that I'm ...
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Gnome Glich | graphical interface error

I really have no idea what has happened, Ubuntu has been working fine since I installed it, and just today, browsing the internet, it began to have errors when you showed images, first I thought it ...
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What causes "RTNETLINK answers: No such process" when using ifdown command?

I am working with a 4-port NIC and I want to turn off all interfaces but one. I don't know if it is a problem or not, but when I turn off the third and the fourth interfaces with the ifdown command, ...
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How do a linux application knows, which physical interface it can use?

I am new to writing a Linux application. From a developer's perspective, How do a linux application knows, which physical interface it can use to send data to remote application? Do we need to ...
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1 vote
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Can't connect to localhost after switching to WICD

I'm using Ubuntu 20.04 and, due to my Wifi often cutting out, I decided to disabled network manager and install WICD instead (using this tutorial). It works great, and my Wifi doesn't cut out anymore. ...
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** socat[8592] E connect(5, AF=1 "\0/tmp/dbus-6LCOz2lgUY", 23): Connection refused**

I am a BEGINNER with Ubuntu (Linux). I am trying to create an independant network namespace (that I downloaded here : https://github.com/Lekensteyn/netns) in order to capture Internet traffic without ...
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1 answer
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VLC 3.0.8 Top menu bar is missing on Xubuntu 18.04

Running Adapta theme, and a fresh 18.04 install the top menu bar seems to be missing. The "minimal view" in tools > preferences only removes the bottom bar. How do I add the top menu ...
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After setting wifi interface to monitor mode the GUI sets it back to managed mode

I used the below commands to set the interface in monitor mode. Everything works, but after a few seconds Ubuntu sets it back to managed mode. How can I disable that? sudo ifconfig wlan1 down sudo ...
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No DHCP or proxyDHCP offers were recived

I'm trying to install a server for multiple machines, already did the main steps, but when I try to turn on a machine, it keeps loading DHCP and then shows the error below. What seems to be the ...
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1 vote
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Can't run ipv6 tunnel - add tunnel "sit0" failed: No buffer space available

I stack with the error "add tunnel "sit0" failed: No buffer space available". /etc/network/interfaces auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp iface eth0 ...
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2 answers
6k views

What is meant by no wireless extension?

Whenever I type iwconfig. Some of the network interface cards show no wireless extension. What does it possibly mean ?
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Does anyone have any instructions as to how I can randomize my Mac Address on Ubuntu 20?

The problem I’m running into is randomizing my MAC address which is tied to my Ethernet interface name (enx503eaa292ae3; just an example address btw). Whenever I type macchange -r , I get “interface ...
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double tagging network Interfaces ... failed if not auto is used

I do have a huge linux router setup. there are 3 real IFs and ~ 200 bridges with IPs and ubuntu takes to long to bring them up during boot phase.. I though no worries and removed the auto ens19.xxx ...
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1 answer
4k views

Network interfaces not detected on 20.04

I am using LTS version 20.04 and for some reason the NetworkManager service disappeared from the system. I manually installed Network Manager service, but still cannot see a network interface detected....
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4 votes
4 answers
5k views

Ubuntu Server 20.10 - virtual interfaces in netplan

I am trying to add a virtual interface to a bare metal Ubuntu Server 20.10 installation. I've read that in pre version 20 this wasn't possible in netplan, and that people were reverting to ifup/ifdown....
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For a bridge, What is the difference between port & interface?

Below command: ~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.5 LTS Release: 18.04 Codename: bionic ~$ ~$ ~$ ~$ ~$ sudo ovs-vsctl add-br ...
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3 votes
1 answer
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Disable tab preview / thumbnail on bottom panel? - Ubuntu 20.04 Mate

Since the upgrade to 20.04, the version of GNOME I was using as the interface was no longer supported very well and MATE seems the most similar to it, so that is what I have switched to. One of the ...
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1 vote
0 answers
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create HDLC interface in linux using serial port

I have modified MAX485 board (to work in sniff mod I deleted a terminator resistor) connected to Arduino. This Arduino connected to raspberry pi via USB. I probated this on Modbus/RS485 using IOninja ...
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Can't find the name of wireless interface after installing Ubuntu 20.04 [duplicate]

I'm following this tutorial in attampt to connect my laptop to WIFI after installing Ubuntu 20.04 LTS. However, I run iwconfig in the terminal and it only returns: lo no wireless extensions. ...
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1 vote
1 answer
122 views

Static IP forcing route to interface that is not connected to network

I am setting up a kiosk type system that some times connects to a specific ethernet source with a static IP and other times connects to a variety of wifi networks via wpa_supplicant. Once the system ...
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