Questions tagged [ubuntu]

Free, open-source operating system based on Debian GNU/Linux. Ubuntu questions are on topic here, but if you prefer an Ubuntu-only audience there is Ask Ubuntu (https://askubuntu.com/).

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User ids became numbers and I can't ssh to remote machine anymore

I am working with a remote Ubuntu server using ssh, and today, while the machine was under a good load of work, I got hit by this weird error. Checking processes with top/htop, I could no longer see ...
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My Ubuntu server has a default route in an Ubuntu server

My Ubuntu server has a default route that I can't find in any file Typing in: ip route Returns: default via 192.168.1.100 dev ens18 src 192.168.1.153 metric 202 But I can't find this .100 IP in any ...
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Comparision of methods for implementing directory size quota in Linux?

I came across two solutions for implementing directory size quotas in Linux. One was using making images using the dd/fallocate/etc command and mounting it using loopback interfaces, resizing can be ...
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vainfo/va-api does not work in wayland/xorg/via VNC

So I'm trying to get hardware acceleration to work on a Intel Xeon E3-1245 v2 running Ubuntu 22.04. What I did so far: added the user to the video and render group removed nomodeset from ...
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Ubuntu Server 20.04 Make Another Lan Devices Loss Internet Connection

I'm new to Ubuntu, Hi Everyone, I'm using Intel NUC to make a small server in my home. But it has some problems with the internet connection for another LAN device. ====================================...
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Unable to connect PuTTY with my Oracle VM's Linux

Introduction I am trying to connect my PuTTY with VM Linux. This is how I started: Install Ubuntu 18 with OpenSSH. Enable NAT and Bridge network (my WiFi driver) with my system's MAC address. Since ...
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How does an operating system tell a computer to "wake on lan"?

Please have a look at this question: Wake On LAN works after windows shutdown but not linux I have the exact problem with my dual boot system and no solution yet. I still don't get how the operating ...
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PATH env only valid for user creating this entry?

We encountered a strange behaviour with /etc/environment and PATH variables. An extension like export PATH="/opt/poetry/bin:$PATH" is only valid for the user who creates this. Workaround is ...
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Does htop have a bug in the display of process status and memory consumption?

When running a few processes, I noticed that htop showed certain process as consuming CPU, but yet were marked S in the State column (the S column)...which meant that the processes were sleeping or ...
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Can't Access Network Drive On Ethernet-Shared PC

I am unable to access the network drive I have set up on my Ubuntu PC (ubu) from any device on the network, and I believe it's due to the fact that I am using windows ethernet-share from my primary ...
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ubuntu wont start, vhdx file or virtual machine issue

I had a functioning verison of ubuntu running on windows 11 (using ubuntu on windows 11 app) but just followed some instructions to attach its vhdx file via disk management (I wanted to see inside). ...
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How to utilize GPU for/in VNC?

So I got a server that has an Intel processor featuring an iGPU (Intel Xeon E3-1245 v2) which I want to use. I installed everything so that when I SSH into the machine "vainfo" works - so ...
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Correct file paths for Inkscape snap command line?

I'm trying to use the Inkscape snap provided in Ubuntu from the command line, but it fails to access my files. Using the graphical interface to open files in Inkscape works well. However, it always ...
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How can I watch a windows folder from my Ubuntu VM know which file has changed?

I need to know which files have been updated in a Windows folder from my Ubuntu VM. I have a symlink of the folder I want to watch. What I found that is the closest to my needs is this python program ...
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SFTP error#3: Permission denied

Till yesterday login to our Ubuntu-20.04 LTS was working fine, But today suddenly it started showing below error while trying to login. SFTP error#3: Permission denied $ ls ls: cannot open directory ...
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Not able to ping Windows Host from WSL2

I have enabled WSL2 on my Windows 10 desktop. Till recently, I was able to reach/connect to applications installed on Host from WSL2. However, now for testing purposes when I ping the host, I get &...
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Why MDADM removes disk with no errors from array and marks it as failed

I have a Raid6 that keeps automatically marking a disk (/dev/sdi) as Failed and removing it from the array even though the long test does not show any errors: Test results sudo smartctl -l selftest /...
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Boot-Repair aftermath

So recently I was asking a question about how to fix Grub if I'm installing Windows after Ubuntu. I found the solution and posted it in order to help others who will do the same. But now I want to ask ...
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Virtualbox Ubuntu Guest on Windows 10 is very slow at rendering graphics

I have a good Windows 10 gaming computer. Intel(R) Core(TM) i7-10750H CPU @ 2.60GHz, 2592 Mhz, 6 Core(s), 12 Logical Processor(s) NVIDIA GeForce GTX 1650 Ti I frequently (only) develop in a Ubuntu VM (...
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Lost access to windows after inserting old ssd

I upgraded my laptop to a 2tb nvme card(new) from 512gb(old) . I created an image of the old drive using windows backup and created a bootable USB stick. The image is stored in an intetnal hdd in the ...
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alt-shift-arrow shortcuts don't work in tmux anymore after upgrading to Ubuntu 22.04

I have tmux conf file that is using the M-S-Left/Right binding to move left/right in windows. After upgrading to Ubuntu 22.04 these shortcuts has stopped working only when I am connecting over ssh ...
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How to extract data from sudo parted -l?

Using: Kubuntu 22.04.1 sudo parted -l | grep -A 5 --color=always -i '/dev/sd\|/dev/nvme\|Table:' output: Disk /dev/sda: 1500GB Sector size (logical/physical): 512B/512B Partition Table: msdos Disk ...
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Ubuntu guest (running in VMware player) freezes on Windows Host

I am trying to run Osboxes Ubuntu 20.4 guest image on Windows 10 Home 22H2 (both 64 bit) host using VMware Workstation 17 Player. My host configuration is Core i7 1065G7, 16GB RAM and 1TB NVMe SSD. ...
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Why is it difficult to replace libreoffice by openoffice? [closed]

Libreoffice stopped printing text, though it still printed pictures. It didn’t print text to file, either, and when using the “save as pdf” option the pictures were there but not the text. Other ...
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Ubuntu 22.04.1 LTS freezes few times per hour and very unstable

Title show the problem, it is brand-new install, so I don't think it should happen, while the install I selected minimal install because I don't need libreoffice things, and after install I only ...
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Shift + F10 right-clicks on my machine, but this shortcut is not in xfce4-keyboard-shortcuts.xml, so how does it work?

I hold incompatible beliefs. I believe that: ~/.config/xfce4/xfconf/xfce-perchannel-xml/xfce4-keyboard-shortcuts.xml lists every keyboard shortcut on my machine. ~/.config/xfce4/xfconf/xfce-...
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How can I create a symbolic link of a file in another directory with relative path?

THE PROBLEM I'm developping an ai training app. The app uses docker and some folders are shared (mounted). Absolute paths inside and outside docker differ, and I need to create symlinks that work on ...
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Intel(R) Graphics (ADL-S Gt1) in i9 12900k

I have two system with i9 12900k cpu, in windows when I run geekbench test it shows Intel(R) UHD Graphics 770 but in when I run it geekbench in my ubuntu system it shows Intel(R) Graphics (ADL-S GT1) ...
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How to make a no-gui virtual machine on a server?

I've got this Ubuntu server I'm running, and it's really handy to take the load off of my laptop, but I'd like to know how to set up a virtual machine on it that I can ssh into. Obviously, this ...
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How to make KVM guest to boot correct root partition?

have been having trouble booting the proper root partition. After creating a guest with virt-install root partition sits inside Extended, thus I decided I will create a new primary and copy root ...
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Update OpenGL version to 4.6 or 4.4 in Ubuntu 18.04 by using Nvidia graphic card

Problem: I really need to upgrade my openGL version to 4.6 or 4.4 I am struggle for several days to do this but I can't. Could someone tell me how to proceed please? My Computer Server using Ubuntu 18....
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I can't delete some files on my hard drive on ubuntu, says they don't exist, when they do

I use Ubuntu 20.04 and a folder containing some images was saved on my PC, but when I tried to delete it, I get this error. Same on terminal. I noticed that the folder now has a thumbnail with a ...
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Clone multi-boot desktop PC to laptop as a backup plan

over last 9-10 months I slowly reached to a moment when I need to have a full backup machine for my workstation PC. It's a bit old laptop, but upgraded enough to hold some heavy work on couple of ...
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Can't install WINE on KDE neon 2.26 (Ubuntu 22.10)

I can't install WINE on KDE neon 5.26 (Ubuntu 22.10). I followed the WineHQ installation guide https://wiki.winehq.org/Ubuntu. I know that KDE neon comes with WINE pre-installed, but I've removed it ...
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KVM/QEMU Linux host Windows client video driver problems

I am using Ubuntu 20.04.4 LTS with KVM/QEMU. I have a Windows 10 client running smoothly performances wise with virt viewer. All that works fine but the problem is the graphics driver. I have a nVidia ...
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How do I find out why the FUJITSU TBT3 Port Replicator is only working sporadically in Ubuntu Linux?

I got a Fujitsu Celsius Notebook and two FUJITSU TBT3 Port Replicators. Most of the time, they don't do anything in the installed Ubuntu Linux. Sometimes they work perfectly, but most of the time when ...
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Port forward from Pfsense to Ubuntu VPS

I have a pfsense with public IP and a Ubuntu OS VPS with public IP. I installed openconnect on Ubuntu with port 443.I want to forward pfsense server port 440 to Ubuntu:443.Also I tried the NAT with ...
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Can't start docker container with network=host

Container successfully starts like this docker run --privileged\ -v /proc:/mnt/proc:ro\ -v $PWD/collectd.conf:/etc/collectd/collectd.conf\ --name collectd fr3nd/collectd but if I add --...
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How do i enable 3d textures in carla simulator

When I try implementing ./CarlaUE4.sh I always receive this message: ../src/intel/isl/isl.c:2105: FINISHME: ../src/intel/isl/isl.c:isl_surf_supports_ccs: CCS for 3D textures is disabled, but a ...
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krb5 kinit error after upgrade to ubuntu 20

I have an Ubuntu 18.04 computer where I connected (as client) to an AFS filesystem via openafs and kinit (krb5), hosted by my company (based on MIT Kerberos). This works well, here the log: KRB5_TRACE=...
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How to "kick" an ubuntu over telnet box to prevent suspending

I have a Ubuntu box that I'm playing a game over telnet on my box. The problem is my box goes to sleep on while playing. I have to remember to walk in and move the mouse on occasion to keep it awake. ...
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Other ways to login and decrypt LUKS volumen when dropbear-initramfs is installed

I'm new to this site and after searching for a couple of hours already, I couldn't find a similar topic or figure out a solution, so I'm going to ask here. I have setup a new remote server with Ubuntu ...
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I can't map a network share from PXE - WinPE

I have been working these days in deploying a iPXE server. I have made entries to several Linux distributions with no problem. Then, I started to add entries for Windows ISOs for Windows Installation ...
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How to make a TCP/UDP connection between my Windows host and Ubuntu Virtual Machine?

I'm currently learning the basics of how the network/internet works, I have an Ubuntu 20.04.5 VM installed on my Windows 10 host, I've successfully established a simple connection within my localhost (...
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Chromebook Linux Hypnos Lullaby V2

Ok so I have linux on my chromebook and I cd title && wine title.exe --disable-frame-limit but I do this with Hypnos Lullaby but even though it works with every mod I've tried so far it just ...
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Remote desktop black screen after login?

it is a question that has been already answered but I don't find any solution in the previous answers. I use microsoft azure and I am trying to connect with remote desktop to use matlab in cloud. ...
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Does linode do anything with resolvconf?

I am trying to get my resolv.conf to change and stay that way but it keeps getting overwritten by resolvconf. I know because it says # Generated by resolvconf at the top. So I edit resolvconf.conf, ...
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mdadm.conf not applied to RAID 1 volume Ubuntu

I run a server under Ubuntu 22.04 LTS, on which I have a RAID 1 volume which I re-installed from a previous server installation (on Ubuntu 20.04). Here is the interesting part of my mdadm.conf ARRAY ...
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See executing script's filename path in htop - Ubuntu 18.04

I want to see the current processes that are running now. Let's say I run www.example.com/script.php Then I want in www.example.com/seescripts.php to see processes running: /path/to/process/script....
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How to understand the colon symbol in directory path?

I am unable to understand some of the syntax as below: docker run -v $PWD/public/test/:/data/ Is there anyone familiar and comment simply so that I can understand and move on.

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