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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Switch GPU drivers on boot

I have a portable SSD I'm using at home and work, but I have AMD at home and Nvidia on the work. That Nvidia card is pretty new, so I dont have ability to use it with nouveau. What's the best option ...
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Vulkan is failing on linux with BadLength (poly request too large or internal Xlib length error)

Anything based on Vulkan fails on start. The system is Arch Linux, with X11 and KDE. Bumblebee (optirun) works as expected with OpenGL, and does not fail. Without optirun, Vulkan fails, as integrated ...
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Serial console echoes back input

Modified /etc/default/grub as below and successfully setup serial console on Ubuntu 18.04 (Bionic) GRUB_CMDLINE_LINUX="console=tty1 console=ttyS0,115200" GRUB_TERMINAL="console serial" ...
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xorg.conf ErgoSlider+ pointer third bouton mapping

My pointing device (Ergoslider+) isn't correctly recognized, the third button (under the wheel) is mapped to the first button. How can I edit xorg.conf to change the mapping of the third button? $ ...
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How to disable WSL password?

I feel there is no need for a password on WSL because it is already protected from my Windows account. Nobody could use my WSL without first knowing my Windows password. How can I disable the WSL ...
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At Iperf3, TCP weird behavior [closed]

I am a newbie network engineer. I did a small experiment with iperf3. But I run into a small problem. (1) My question. I think TCP flow do not act properly despite of its congestion control. I ...
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How to fully disable an ACPI event in linux

Hello I currently work with a HP notebook, an HP Spectre x360 – 13-4203NG (ENERGY STAR) to be specific. The thing works great with linux (I currently use Ubuntu 19.04 with GNOME, but i also had that ...
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Encrypted external HD via Windows now using Linux Mint and cannot Mount or Access

I recently moved from windows and i deleted it completely and overwrite with linux operating system because i never wanna see windows again, it gave me the biggest headaches because of its mechanical ...
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VirtualBox error: NS_ERROR_FAILURE (0x80004005)

I am having a problem with VirtualBox: it won't start at all. I've tried reinstalling it, reinstalling dkms, purging it and reinstalling... but the problem persists. It displays an ugly error: ...
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chmod not causing changes

This seems like a fairly simple problem to me but I can't figure out what exactly the problem is. I have a .pem file that I am trying to change the permissions of so that I can use it to secure copy ...
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How to allow directory listings for a specific subdirectory

I have an Apache webserver running on an Arch linux distro and I am trying to change what directories and files are listed on the server. I have seen a lot of post and solutions for changing aspects ...
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DAHDI 3.0.0 not assign spans and cannot generate configuration

I'm setting up a new fresh installation of Debian 10, Asterisk 16 and DAHDI 3.0.0. I have specific the Digium TDM410P 4 port analog card (PSTN) and trying to configure it with asterisk and dahdi. ...
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Linux Mint Installer Fails to Recognize Main Disk

I just purchased a Dell XPS 13 9380. Booting off of my Linux Mint installation disk works perfectly fine, but I can't even begin the installation because the drive somehow can't access my main disk. ...
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Problems of freezing after login, weird icon appears ubuntu 19.04

Hello Everybody and thank you in advance :) It’s been now 2 weeks I am trying to resolve a weird issue (not intensively). When I login into ubuntu, everything seems to works and after approximately ...
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Apache failed to startup after changing root password on centos 7

So I recently changed my root password and now apache won't startup. First, logs said something is wrong with the ServerName, and now it's saying that it can't start up due to permission denied. So ...
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Route incoming traffic through locally-established VPN

I'm trying to setup a Debian 10 VM to serve as a VPN gateway. I want to use rules on my router (Ubiquiti Security Gateway) to direct certain devices (Apple TV, some IoT stuff) to through the VPN on ...
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What is the fastest way to add email / markdown citation to some block of text?

I often have some text block on a website a PDF file, etc. that I want to add email / markdown style citation to. So for example I want to turn this: This is a quote that possible is very long and / ...
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Iphone apple Music Software Issues [closed]

Hey guys was wondering if you guys can help me out everytime I start the music on my iphone it sounds like someone is screaming and saying the word no in a lower tone throughout every song I went in ...
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Missing wi-fi firmwares after Debian installation

I installed my debian few days ago, and I had error messages saying that firmwares were missing. I managed to solve this problem by adding manually them into the /firmware folder of my bootable usb ...
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After replace libc.so.6 in i386-linux-gnu,gdb show segmentation fault

I'm trying to do a pwn challenge , and for simulate environment need replace libc.so.6 with given lib. After doing this gdb can't work and show the following information.I want know Where is the ...
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How to solve problems with openssl version (Packet Tracer)?

this is the problem: I had installed Packet Tracer in my computer with OS Fedora 27, when I ran packet tracer program, I detected some problems, there were some missing libraries, (e.g Qt5, libcrypto....
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Is it possible to reboot a linux server with a crontab script when the server hangs/freezes/becomes unresponsive?

Is it possible to reboot a linux server with a crontab script when the server hangs/freezes/becomes unresponsive? If so, how can I do it ? All help will be greatly appreciated!
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Upload to apache fails (timeout) after ~40seconds but works locally

If I connect to the server via VNC I can upload big files from him-self via localhost [example: 5MB] (tested with wordpress and one simple php upload script). But If i try to upload "big" files (...
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New host does not show up on Nagios Core Web Interface

I've been having a few problems with my Nagios Core server, every time I add a host to it won't show up on the web interface although it is being monitored and the system notifies when the host goes ...
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Thinkad T41 and 76 FPS for glxgears

I have installed the current stable debian buster on my Thinkpad T41 having a Mobility Radeon 7500. Although direct rendering is enabled, I get 76 FPS only with glxgears while I've found statements ...
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Did I install correctly the wireless card driver?

I am trying to fix the WiFi connection on an Asus E200 laptop, following these instructions: https://wiki.debian.org/InstallingDebianOn/Asus/E200HA. The laptop has the latest LXLE distribution, with a ...
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creating docker image from lxc container tar file

i am trying to create a docker image from an lxc_container tar file, i am able to import it using the docker import command sudo docker import ./app.tar i was able to import it and run it, docker ...
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Moving files to matching folders on linux command line

I would like to copy or move files in to matching folders. these are my filenames: 1-filename-aa.txt 2-filename-aa.txt 3-filename-aa.txt 1-filename-bb.txt 2-filename-bb.txt 3-filename-bb.txt these ...
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Linux terminal very slow to load

I'm using debian-9 xfce. When I open terminal or open a new tab in terminal it takes 7/8 seconds to load. It was working fine but suddenly terminal started taking a long time to load. After opening ...
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Kubernetes Nginx Controller Regex Rules Are Not Working

I am recently trying to build an Nginx Ingress network for my Kubernetes cluster. I am using Kubernetes 1.15.0 and Nginx 1.17.2 by the ingress controller image docker.io/nginx/nginx-ingress:alpine. ...
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script with “export” command in a crontab

I have this in cron tab: * * * * * /root/attente.sh and attente.sh : export attente=$(cat /root/switchboard.txt) If I run export attente=$(cat /root/switchboard.txt) in a shell it works but not in ...
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Why does my isohybrid USB not boot?

I am trying to build an ISO that can also boot from a USB drive, using the isohybrid utility on RedHat 7.7. But when I try booting from the generated USB media, my target system says "media not found" ...
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apt broken on raspbian stretch, dpkg exiting

Trying to install mono, on my pi, apt started refusing to install packages due to dpkg exiting. The output I'm getting it this: Traceback (most recent call last): File "/usr/bin/apt-listchanges",...
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22 views

TrueType font not displaying as expected in some desktop applications

So I have a TTF of the font "Woodcut" (you can get it here) and it works completely fine in HTML and SVGs, as you can see below. But when I try to view it in Gnome Font Viewer, it just shows black ...
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Acer Tablet Model t77h462 will not boot for USB Thumb Drive with Linux Mint 19.2 but will boot Thumb Drive with KALI

Acer Tablet Model t77h462 will not boot for USB Thumb Drive with Linux Mint 19.2 but will boot Thumb Drive with KALI. I really want to install MINT 19.2 on the tablet but can not get it to boot into ...
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TP-Link Omada Controller - Cannot find any VM in Java Home /usr/lib/jvm/default-java

I have small problem. Today I'm trying to setup Omada Controller (same as UniFi Controller) on my RaspBerry Pi 3. Everything looks good, but when I'm trying to start the controller, it shows this ...
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Driver Realtek 8814AE Wireless LAN 802.11ac PCI-E NIC for Debian

I'm using Debian 10 these are the repo in /etc/apt/sources.list deb http://deb.debian.org/debian/ buster main deb-src http://deb.debian.org/debian/ buster main I've done dist-upgrade and apt-get ...
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Arria 10 SoC : uboot build error [closed]

I am building Linux OS for our custom board which uses Altera Arria 10 SoC. My Linux Version is 14.04 and by taking reference from below link, I am designing Uboot https://www.intel.cn/content/www/cn/...
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Valgrind on custom Yocto-build Linux for ARMv7

I'm trying to make Valgrind working on ARM board with custom Linux, build with Yocto and OpenEmbedded. I successfully compiled Valgrind for ARM and it's somehow working, but I get a lot of errors ...
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Unable to start django server in cmd even though I'm in the correct directory

When I type python manage.py runserver in the exact directory in which my project and manage.py file are, it doesn't start the django server which is localhost:8000. The cursor simply comes down to ...
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Code scribbles are shown in vscode

After installing vscode in Linux, I've had this problem. no matter how many times I unistall it and install again, the problem still recurs. Does anyone have a solution?
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Alsa external io plugin not working with pulse aludio

I am developing ALSA plug-in based on ALSA PCM External Plugin SDK. Plug-in is source plug and has to convert PDM signal from microphone input to PCM used by Linux. I have succeeded to compile it ...
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no dskEntry OIDs via SNMP

My question is about getting disk info from Linux server through SNMP. OS: CentOS Linux release 7.6.1810 (Core) OIDs for disks are: 1.3.6.1.4.1.2021.9.1 But when I'm running C:\Soft\snmpwalk>...
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Change permissions of folders between network company

Good morning, I have a shared folder between linux and windows, however I can only enter the shared folder outside of my network company. Can someone help me enter this folder, with my network company?...
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ZSH missing commands on MacOS 10.13.6

I've finally taken the plunge and switched to zsh. However, I seem to be hitting an early roadblock, that is, the command zmv isn't on the system. Lest anyone respond by pointing out that my path ...
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1answer
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apt-get update: An error occurred during the signature verification

Hit:1 http:/ubuntu.melbourneitmirror.net/archive bionic InRelease Hit:2 http:/ubuntu.melbourneitmirror.net/archive bionic-updates InRelease Hit:3 http:/ubuntu.melbourneitmirror.net/archive bionic-...
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1answer
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Replacement of text between two matches, from one file to the other

So I have two files: /etc/some/file1.xml /etc/some/file1.xml_bck These files are config files with bunch of directives in it (all in one line). Content looks like this: <SOMETHING>somehost....
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Disable auto-lock screen on inactivity Ubuntu 18.04

I need to disable the auto-screen-lock. I have tried the following methods as suggested in stack-overflow and other sources. to disable screen-saver lock gsettings set org.gnome.desktop.screensaver ...
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36 views

Uninstall MySQL 8.0 and Install 5.7

I am trying to downgrade mysql version from 8.0 to 5.7. I was able to successfully uninstall MySQL 8.0, but when i try to install 5.7 I am getting following error. Error: Package: mysql-community-...
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Hotspot ap in virtualbox guest on a linux host

Host is manjaro(kde) with 5.2.x kernel. I've set a hotspot ap in windows(10) guest & it can be detected by my android phone but the problem is when I try to connect phone can't obtain a IP. How ...