Questions tagged [linux]

A family of Unix-like operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.

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Cannot paste keypair into key field to create new SSH key

I had keypair in Ubuntu of Linux already, then copy it to paste into keyfield of SSH key (Github). What is my mistake?
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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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Erratic behavior after running startx as root

I'm using Linux (Pureos distro). When I run the "startx" command as a root in the terminal, it starts a new graphical session in the tty3. After closing it, I can't run graphical programs (...
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How to forward client's traffic from vpn router connected to main router

I am trying to connect my dd wrt router to the main router at home, ethernet cable is connected to lan on main router and wan on ddwrt. DD WRT has connection to my VPN, when i telnet into ddwrt i can ...
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Specifying other MusicBrainz entry in `abcde`

abcde automatically searches MusicBrainz to find a match for the CD track tags. I've ripped twelve CDs in a row and it works fine, but now I have a CD for which no MusciBrainz data was found. However, ...
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How can I block internet access to certain Wireguard clients?

I have a working Wireguard setup, and multiple devices connect to it. I also set it up such that all the clients route their network/internet activity through the Wireguard server via "0.0.0.0/0, ...
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rsync errors with "stale file handle" or "error in file IO" sporadically when copying from server to HPC

I'm working on a server via SSH and needing to copy a directory from the server to an HPC with rsync: rsync -a -q "sourcedir" "username@hpc:~/destdir/" In this example, "...
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Linker warnings with new Linux kernel

CALL scripts/checksyscalls.sh CALL scripts/atomic/check-atomics.sh DESCEND objtool CHK include/generated/compile.h LD arch/x86/boot/compressed/vmlinux ld: warning: arch/x86/boot/...
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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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Kali Linux on external USB thumb drive freezing after a few seconds of runtime

I had a Kali Linux installation on an external USB thumb drive and it was working perfectly until about a week or 2 ago. Normally when I boot it up, I go to the wifi networks menu to connect to my ...
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Script to Find and Resample Audio via FFMPEG Fails on Files with double quotes

Why does this script explode when file names contain double quotation marks? for i in **/*.flac; do echo "$i"; done | parallel -j+0 --eta --joblog /tmp/parallel.log --progress --bar --...
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How can I configure iPXE menu settings to boot Plop Boot Manager?

I have created a big iPXE server based on an Ubuntu Server 22.04.1 system. I have entries for different Linux images, Windows installers and Clonezilla Live. Now I want to include also an entry for ...
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Find files containing a string and execute command

How do I find files that contain a specific string and execute a command on these files? In my case, I'd like to find all *.md files that contain the string ^ - HIMS$ and stage them with git. I know ...
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Can mutiple touch screens accept muti touch-dragging inputs on the same app (window spanning the monitors) at the same time?

I have an application with touch-drag inputs window spanning two touch screens. (for example, ms paint) In Windows, I can draw on the app window from either touch screen, but not both at the same time....
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Can mutiple touch screen monitors, accept muti touch-dragging inputs on the same app window spanning the monitors simulaniously?

I have an application with touch-drag inputs window spanning two touch screens. (for example, ms paint) In Windows, I can draw on the app window from either touch screen, but not both at the same time....
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Mount Btrfs raid 5 from failed ReadyNas 104 on Linux - aka how I restore data from my ReadyNas

After about 7 years my ReadyNas finally failed, I would expect from Neatgear detailed recovery instruction, but I read dozens of threads - my problem is not uncommon, but solution was not found. After ...
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Copy multiple files that a match patter into dir and subdirs to another dir linux [closed]

I have multiple folders into the path: "/home/user/IAT/main/assets/" Each folder have the following structure: "~/assets /lroot/images/batch0001/samples/" AllFolders lroot images ...
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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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How do all the networking services fit together? [closed]

I am struggling a little with understanding what all the different networking systems do. On my Fedora workstation, everything "just works", but I am running Debian on a Raspberry Pi and I ...
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How can I implement quotas in samba?

I want to create smb shares that are limited by a given quota size also I want to be able to modify the quota size in the future. While searching for a solution I came across the setquota command but ...
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How to implement the quota size which can be modified later in samba?

I want to give quotas for individual shares, such that I can also modify the quota size in future. I tried doing this using this https://superuser.com/a/976714 answer. Problem is file modified using ...
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Using Rsync Transferring files from server to client too much slow?

Actually i am transferring files from one AM5728 Board to another AM5728 board (with Aargo Linux Kernel) with 1Gbps speed. Tested iperf command speed is 750Mbps. Transfer files from one board to ...
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Using QMI interface for SIM7600-H 4G module in Debian Bullseye

I am quite new to this, so be patient with me. I want to establish a connection via LTE over a SIM7600-H 4G module. The module is built in an IPC, so I have no choice but using this module. On the IPC ...
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Matrix printer only receives ~one character when SEL is pressed

I'm trying to get an OKI microline 3390 to work, and manually sending text to it as demonstrated here: (thirty-minute video). I understand the printer has to be selected for it to work, which on my ...
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ModuleNotFoundError: No module named 'pyModbusTCP'

I am trying to run a python file on bootup which will collect some data from another device. I created a service in the /etc/systemd/system directory [Unit] Description = File which requests data from ...
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How can i use systemctl to start up a python program on startup in raspbian

I have a python program that receives some data from a different device and prints it to the console. I want to make this program run on startup, the way I read online to do so is by creating a ...
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How to activate HD indicator lights on Dell PowerEdge 710 in Linux

I have a particular drive that is failing (/dev/sdb) I need to replace the failed drive but I am not sure which it is... I should have documented what drives were in what slots and what their devs ...
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Linux sometimes recognizes twice the number of cores

Recently, my department bought two pretty good (HP Z840 Workstation) second hand computers, supposedly identical. I installed Linux (CentOS 9) in both of them, no problem. When I view the CPU info ...
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Why do `groups` and `groups $USER` give different results?

I want to add myself to the "docker" group. These are the commands I ran, and their output: user1@laptop-p3510:~$ sudo usermod -a -G docker user1 user1@laptop-p3510:~$ groups user1 adm cdrom ...
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accidentally started dd on hard drive; restoring data [duplicate]

today I've plugged new ssd into my PC and started an dd command for USB drive. It was too late as I recognized, that the drive letters moved around and I started flashing an ISO image over all my data....
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OCRmyPDF cannot convert pages with watermarks

I have some scanned magazines with a pink watermark on some of the pages. I need to ocr them and OCRmyPDF seems to be the right tool for the job. Except that it cannot convert text on top of the ...
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systemctl status atopacct.service failed executing

To Whom It May Concern, I was trying to install the atop on my server by using ansible playbook, the atop was installed succesfully, however, I was not able to enable atopacct, below is the error ...
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Unable to pair bluetooth keyboard on Arch Linux

I'm currently unable to pair my BT60v2 on Arch Linux. I have however been able to pair it previously, but now I'm unable to. I'm able to pair the keyboard just fine to my phone. Things I've tried: ...
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apt-get -y install build-essential [closed]

I am writing bash script for vps server. I got this problem: I need to install the build-essential package by script. I coped with the problem (yes / no), found the -y switch for apt-get. But here's ...
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Can't boot into Windows from GRUB, "no such device"

I had this problem with Windows, where if I selected the disk from the BIOS it'd boot fine, but the GRUB entry would output: error: no such device: 6E90-B87A error: disk 'hd1,gpt1' not found. Today I ...
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Block website in linux

I want to know how to block all the websites on Linux and not just from the host file . so the website doesn't show any kind of issue on my website if I click on any kind of suspicious links so I ...
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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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Is there any way to filter and sort emails into folders on the commandline for use with neomutt + mbsync?

I've recently transitioned to using neomutt and mbsync for my personal email (setup via mutt-wizard). I'd like to do the same for my work email, but I get a significant volume of email on that address....
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Is the “idle3” timeout mess still relevant on Western Digital WD Blue hard drives from 2022?

THE QUESTION: Is the “idle3” timeout still relevant for 2022 Western Digital Blue hard drives, and specifically for their WD40EZAZ line? Or should I take hdparm -J reporting an invalid exchange as ...
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Unable to open apache2 web page from Deb10 linux distribution with hostname

Good afternoon! I'm attempting to setup virtual web server hosting with Apache2, and I'm running into a specific problem where I'm only able to search the web servers by the IP address and not the ...
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2 answers
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Resolvconf using gateway instead of specified nameserver for DNS

Screenshot from terminal: In short, I have my interface set to static, and have the dns-nameserver specified, so DHCP shouldn't be impacting this. I have specified the nameserver in /etc/resolvconf/...
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Kali linux not detecting bluetooth adapter

I have installed kali linux and bluetooth was running fine until I updated it. The bluetooth service showing active but bluetooth manager is not opening. $ sudo service bluetooth status ● bluetooth....
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Startup script for Rock 4 SE running Debian

I am trying to run VLC player with a url as input when my Rock starts. I have created a unit file called startup.service and put it in. /etc/systemd/system/startup.service It looks like this: [Unit] ...
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sending print string command to remote machine

I'd like to print some string to all open terminals processes that are running in remote machine. currently I'm using ssh to connect the remote machine, and than I echo my string into wall command : ...
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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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Set a static private IP with systemd-networkd on arch linux

I am using Arch linux and I want to have a static private IP that is always 192.168.1.10. How do I do this? I am using systemd-networkd and I can achieve the functionality I want by running sudo ip ...
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Upgrade Rocky Linux from 8.x to 9 fails due to 'conflicting requests'

I tried to upgrade from Rocky 8.6 (which was 8.7 now after I updated all packages by yum upgrade -y) using this instructions: https://www.techrepublic.com/article/upgrade-rocky-linux/ REPO_URL="...
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Cannot map USB device with the docker container on Linux

I cannot map my usb device with the docker container. $ ls -l /dev/ttyUSB0 crw-rw---- 1 root dialout 188, 0 nov 27 09:28 /dev/ttyUSB0 $ groups adm dialout sudo audio kvm lpadmin docker I mapped ...
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VirtualBox - Can you have internet active only within VM?

Is there anyway to run, for example, Ubuntu within VirtualBox, and Windows 10 on the outside, but Windows 10 is not connected to the internet, while the virtual machine, is? I am using a USB wireless ...
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Trying to upload a .docx file from Windows on my computer to a Linux server using scp

I am connected to a Linux virtual machine server on Azure. I think I have installed Azure CLI properly. I'm not sure if I configured the Bastion properly or connected it. I'm not sure if I need a ...

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