Questions tagged [ubuntu]

Please don't use this tag just because your system is running Ubuntu. Use it **only** if your question is somehow specific to Ubuntu only. Note that https://askubuntu.com is specifically dedicated to Ubuntu questions.

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9 views

How to connect Ubuntu to AirPlay speakers placed in another network?

I have Ubuntu 21.10 with ip 192.168.0.1 connected to a router having a static ip WAN=192.168.0.2 and Gateway=192.168.0.1; basically my Ubuntu is the Gateway. The router's LAN address is 192.168.1.1. ...
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Environment Variables defined in /etc/environment only show for root, not home user

I'm fairly new to linux and am setting up a server running Ubuntu 20.04 LTS. I've defined a few environment variable in /etc/environment for use in my docker-compose.yml file. I added the variables to ...
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Unable to re-enable bluetooth after turning it off in gnome-control-center

I've had some issues with Bluetooth for a few months now and when I finally got around to troubleshooting it I got stuck: The Problem: When I turn off Bluetooth in the gnome-control-center, the UI ...
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Linux-hardened kernel for Ubuntu?

I recently discovered linux-hardened, a kernel that is tweaked for extreme security. Weirdly, I haven't found any way to install it on Ubuntu-based distros. I haven't found any PPA or repo. Is there a ...
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FortiClient headless cli - how to install and configure to handle certain IP ranges only or permit SSH

I am trying to configure the headless VPN only FortiClient on an AWS ubuntu 20.04 ec2 instance, and though I am able to connect to the target, I am then disconnected from the instance and cannot ...
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How can I expand a partition (with my Grub boot loader on it) and make sure it still boots after the fact?

I have a 2TB harddrive which I restored a Clonezilla Ubuntu OS image on it, the image was of a 512GB disk, so now my system sees the 2TB drive as a 512 with 1.5TB of free space. I looked into it and ...
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1answer
32 views

Why Apache 2.4.41 installed on my system

Three days ago I noticed that my localhost on port 80 was occupied by an Apache server. I uninstalled it and started to find out if it was a sign of some kind of malware. I found out from the logs: I ...
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gnuplot doesn't show plotting window on Ubuntu

I was using gnuplot in Ubuntu with wxt terminal, and when I type in plot sin(x), I get an error message: Unable to init server: Could not connect: Connection refused 23:00:40: Error: Unable to ...
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1answer
23 views

Linux CPU usage appears incorrect

I'm familiar with how the top is supposed to work. The individual processes are relative to 1 vcpu, and the summary is relative to all vcpus. I have a process that does a lot of sleeping, and I'm ...
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Grub not trying to unlock LUKS partition

I have Ubuntu 18.04 with full disk encryption with two partitions: EFI ESP and LUKS1 encrypted root partition (no separate /boot). After installing grub and rebooting, it just shows normal grub > ...
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Keyboard and Mouse Don't work on USB 3.0 Dock

I purchased a USB Dock from Sabrent, and after installing the DisplayLink Driver with a addition of GRUB_CMDLINE_LINUX_DEFAULT="quiet splash usbcore.autosuspend=-1" to grubs config. After ...
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Ansible get_url returns 'Unsupported parameters' error

Background - name: Download assembly file to /my/server/location/ get_url: url: https://jenkins.com/jnlpJars/agent.jar validate_certs: no dest: /home/jenkins/agent.jar force: yes ...
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Disable F11 Fullscreen action in terminal by commands or file edition

Is there any terminal that suports dynamic profile changes by editing a profile file or something? I Need to disable F11. I tried Terminator and QTerminal and day simply ignore the new profile set.
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Killall behaves differently in Ubuntu 16 and Rapberry Pi OS

According to the documentation of killall, both in Ubuntu 16 (psmisc version 22.21-2.1ubuntu0.1) and in Raspbian Pi OS (psmisc version 23.2.1): If a command name is longer than 15 characters, the ...
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Why is there no sound in a fresh install of PopOS/Manjaro/LinuxMint?

I am a new linux user coming from windows. Recently, I install a fresh copy of PopOS and after the installation completed on my HDD and I booted into PopOS, I immediately noticed there was no sound. ...
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Copying a file from linux to windows machine using scp with out entering password

Hello i am trying to copy the file from my ubuntu machine to windows machine using scp without entering the password. I have set up the openssh key and followed the steps to enable the password less ...
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Ubuntu 21.10 on HPProbook 430 - Some keys cause brightness to dim

I cloned the hard drive from my previous HP notebook to a news one and upgraded ubuntu to 21.20. Now, everything works, but arrow keys and Win key cause the brightess of my screen to dim - like if i ...
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create partition using ansible

I need to run those commands, but I do not want to use 'shell', is there way to create home partition using ansible tools? lvcreate -L5G -n home vg0 mkdir /home mkfs.xfs /dev/mapper/vg0-home mount /...
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Updating Ubuntu 8.04

Good evening, let me explain the situation. I have a panasonic toughbook cf-19 and I suddenly decided to install linux on it. After some searching about its drivers and linux I found a page talking ...
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1answer
22 views

The repository does not have a Release file in newly added repo

I'm trying to build docker container. The core OS inside is Ubuntu. FROM ubuntu@sha256:703218c0465075f4425e58fac086e09e1de5c340b12976ab9eb8ad26615c3715 I want to install some packages from apt....
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55 views

Get the nth last line from file

I have a file with quite many lines, and I would need the nth last line (specifically the 95th from bottom). How could I go on about doing this? One way would be to use tail but then it prints ...
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How to install vdo/kvdo on Ubuntu 20.04?

I would like to know if there is a way to install Red Hat's vdo in Ubuntu 20.04. So far, I have tried to download the source and compile it, but I get the following error: cc -fPIC -fpic -D_GNU_SOURCE ...
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Windows 10 only access samba when I am connected to an (unrelated) VPN

Very weird scenario here. For work I use a vpn software called "soft ether" so that I can access a samba share on our work server. I'm setting up a personal samba server hosted on EC2 VPS ...
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Linux Ubuntu freezing for a few seconds on some actions

My newly installed Ubuntu is freezing when I perform some actions. An example is when I open Settings in Show Applications and the screen freezes for 2 seconds and goes back to normal. Anyone know how ...
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Getting GPIO Error When Loading UBUNTU 20.04 Installation from a flash drive

I wanted to install Ubuntu 20.04 on my desktop PC (Dual Boot). After I select Ubuntu (Even ubuntu safe graphics) from the grub menu, I get the following error messages: [ 0.623278] gpio ...
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Wifi disconnecting often in Ubuntu 20.04

Sometimes wifi disconnecting repeatedly. Sometime disconnecting after hours or after 30mins, i couldnt find the cause. And sometimes when running sudo docker exec -it 96414b09135d bash also it ...
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Server stuck at reboot: A stop job is running for Monitoring of LVM2 mirrors, snapshots etc using dmeventd or progress polling

I rebooted a Ubuntu 20.04 server. It did not come back up. On the screen it said: A stop job is running for Monitoring of LVM2 mirrors, snapshots etc using dmeventd or progress polling (9min 56s/11min)...
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1answer
33 views

How to disable fingerprint authentication when laptop lid is closed?

I recently managed to make fingerprint authentication work on my laptop, thanks to the Goodix Linux Development discord community and the github users Infinytum and Michael Teuscher on the driver/...
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How to get ifstat outputs in python?

Trying to get the values from ifstat -i wlx88366cfd0226 command in a Python script. I have tried this but not getting its output. The full code is: import subprocess import time import argparse ...
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2answers
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How to calculate the size of data transferred between two machines Ubuntu?

I have two computers. The first one is as a workstation. It runs the deep learning code and connects an AP by a wired connection. The second one is as a robot's computer. It sends the video and other ...
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1answer
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vagrant doesn't find installed libvirt plugin (host Ubuntu 20.04.3 LTS)

I can't get vagrant working with libvirt. I first used the distro packages, but it produced the same error you see in my description below. Then I removed every distro vagrant package and installed ...
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Unable to start ubuntu through toolbox

I just installed Fedora 35 Kinoite and am taking it for a test drive. And, of course I am testing out the toolbox feature. Now I wanted to create & enter an Ubuntu container, it got created but ...
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I cannot compile gnome-calculator

I have a problem with my compilation process of gnome-calculator. The ninja doesn't detect libhandy which is installed, and it's in /usr/include folder. ninja: Entering directory `build/' [1/22] ...
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Infinite loop traversing NFS-mounted filesystem (QNAP server)

I have an NFS mount that has recently developed a problem whereby the mounted filesystem can't be traversed: find /media/photos/ runs fine for a while, then degenerates into an infinite loop over ...
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Why do my minecraft fps cap on 60(ubuntu based distro)?

I want to know how to remove the fps cap on minecraft. It still caps even tho I set the framerate unlimited in game. I am using Bodhi.
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wsl ubuntu windows terminal git

I use windows 10 and I just installed the wsl terminal, I used ubuntu distro before. And I use openwrt firmware on my router, I make my own compilation build, usually everything works perfectly but I ...
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Cannot scroll while moving mouse in Ubuntu VirtualBox guest

Applications in Ubuntu, such as Chromium or the GNOME Terminal, are not responsive to mouse wheel scroll events when moving the mouse cursor at the same time. I am running Ubuntu 18.04.6 LTS as guest ...
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12 views

Install python packages on the same LAN

The Scenario: I have two computers connected to the same LAN. On the second computer, I have a python package. I want to install this package on my project through my first computer using of pip or ...
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1answer
55 views

Logitech c920e -- v4l2-ctl --list-devices\ Cannot open device /dev/video0, exiting

just bought the logi c920e and unfortunately it does not appears to be working. None of the other users questions have helped, most were related to a built in camm which is not my case. I have tested ...
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1answer
36 views

Using mkdir -p, is it possible to create files within subdirectories using regular expressions? [duplicate]

I am trying to create a file using the mkdir -p command. Using mkdir -p ~/1/2/3/4, how would I put files (w,x) into /2, and (y,z) into /3 all in a single command? I know I could use a touch command ...
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23 views

Ubuntu 20.04 Not Detecting Both Monitors and Display Options

I was using two monitors on my ubuntu 20.04 machine. After a poweroff, the system is not recognizing two monitors anymore. I did a sudo update-grub but it just made the ubuntu to startup on the other ...
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8 views

How to add Startup Application from shell to Ubuntu Desktop login?

I find tons of answers as to how to add Startup Applications to the user's login for Gnome, but they all show how to do it via the Startup Applications app. I want to know how to do it via a bash ...
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9 views

Keyboard layout selector is missing from the indicator applet in ubuntu mate

I'm running Ubuntu Mate 20.04.03. At some point in the past, it was possible to select between multiple keyboard layouts using a drop-down in the indicator-applet in the panel. This is no longer the ...
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34 views

Unable to access SSH with my desktop

I have a desktop machine with Ubuntu 20.04. and there is only one user (e.g.testuser) available with Sudo privileges. I already using the OpenSSH server to access from outside using putty software. ...
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20 views

ISC-DHCP-SERVER Warnings

I have a ubuntu server 18.04 configured with two bonded gigabit ethernet NICs. Upon restarting the DHCP server I noticed the following error/warning. The server starts fine and the bonded link is up, ...
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36 views

Creating a bootable iso image from my current installation

We have an old physical machine with Ubuntu distro 20.04 and that physical machine has a total of 103GB /root partition and 10GB as swap memory. We have currently utilized up to 45GB. We want to ...
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1answer
85 views

How do I regenerate /etc/resolv.conf from /etc/systemd/resolved.conf?

I'm trying to follow this tutorial here: https://www.itwonderlab.com/en/ansible-kubernetes-vagrant-tutorial/ using Debian 10 as the vagrant host, and as Debian no longer supports Virtual Box, I'm ...
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10 views

Clock_id of clock_gettime function in Ubuntu 20.04 LTS

I know that there are many clock_ids in clock_gettime function, for exmaple CLOCK_REALTIME and CLOCK_MONOTONIC. These clock_ids may be very accurate, even nanosecond level. My question is what kind of ...
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1answer
31 views

configure: error: Found libffi but could not link and compile with it

When i run configure it tells me that it cannot link to libffi and compile with it. This is weird as it is already installed and I don't know what I am supposed to do since all needed packages are ...

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