Questions tagged [linux-headers]

Linux source header files, their use, installation, location, etc.

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Can't open an application Ubuntu 18.04

I can't open any application at my side panel. Only with Terminal. For example, I've downloaded a PHPStorm, so I must open a terminal and then: cd ~/Desktop/helper/PhpStorm-2020.1/PhpStorm-201.6668....
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/usr/src/linux-header version mismatch

I'm new to linux and have a problem. After sudo apt-get upgrade && update, the funny behaviour started. For instance, Youtube videos don't play anymore, Youtube suggests restarting the device ...
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stropts.h install for Ubuntu 20.01

I have just installed Ubuntu 20.04 and am trying to compile my pintOS project and it says stropts.h not found and I have researched a bit that it only works on Ubuntu 18.04. Someone share a way to ...
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23 views

How to find exact kernel config an ubuntu linux image was built with

I'm writing a service that uses a kernel module and I'm trying to use an existing .ko if available for the running kernel, instead of installing linux-headers and compiling on the user's machine. ...
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I'm looking for source code,headers and modules for kernel 4.4.0-19041-Microsoft used on the WSL 1

I would like to make an experiment. I would try to install and use haxm to accelerate qemu,instead of kvm. I prefer to use the WSL 1 instead of 2,because I can't keep the hypervisor down,since haxm ...
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Installation of Linux headers: generic vs non generic

I was on kernel 4.18.20 and wanted to upgrade to 4.19. So, I visited the ubuntu.kernel.com and found that 4.19.118 to be latest one. I can understand the low-latency kernel versions but I couldn't ...
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Copying external disk at OS level

I have a Ubuntu virtual machine. attached external EBS volume to vm,mounted and kept in mount point.Now how to copy original data from root to external disk.I used this command "sudo dd if=/dev/sdb ...
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1answer
59 views

cannot upgrade or fix broken install

On Ubuntu 18.04 Upgrade gives The following packages have unmet dependencies: linux-headers-5.3.0-45-generic : Depends: linux-headers-5.3.0-45 but it is not installed E: Unmet dependencies. ...
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277 views

My Ubuntu is suffering from ACPI errors. Also is not loading

after update, i am getting this error every time i turn on my Laptop. After that i get black screen and it loads nothing for hours... Also, if i press SHIFT to enter GRUB menu I get several versions ...
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when and at what time pam locks the user?

Is there a way to figure out when and at what time a pam locks the user because of so many authentication failures ? Thanks Lokesh
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Partial Speakers working Hp Envy 13 Ubuntu 19.10

I am using HP Envy13(Bang & Olufsen) and Ubuntu 19.10 OS.Recently I added options snd-hda-intel dmic_detect=0 in /etc/,odprobe.d/alsa and it worked .But only two side speakers are working.Main ...
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apache netbeans failer to open up in linux 18.04

when I try to open my Netbeans it loads and after disappears without opening how can I solve this... I have tried updating and also upgrading
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107 views

How to add a custom kernel flavour?

For multiple reasons, I need to build a custom kernel for an otherwise standard x86 Ubuntu 16.04 system. Following these instructions, I succeeded in building the suite of packages I need with the ...
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How do I Split contents of a directory into multiple sub directories in alphabetical order?

ls -1 | wc -l read -p 'How Many Directories: ' F; read -p 'Sub-Directories Prefix: ' S; PARRENT=${PWD} # cd $PARRENT n=0 for i in * do if [ $((n+=1)) -gt $F ]; then n=1 fi todir=$PARRENT/"...
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Can't install Linux Headers (5.5.1)

I'm following a simple tutorial on how to create a Linux kernel module, for a class I'm taking, and one of the steps asks me to install the necessary kernel headers using sudo apt-get install linux-...
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371 views

How do i display headers of all commands?

I have done few google searches but none of them answered my question. Do we have any universal way to display headers of all commands in Ubuntu with out installing additional packages? commands ...
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How to get the output of /etc/init.d service display on terminal when I execute start/stop/restart /status?

Recently I upgraded my application from Ubuntu 14 to 18.04 version and I have a custom service which is configured in /etc/init.d. When I execute service myapp start, then it runs the service in the ...
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How do I avoid shutdown/restart authentication caused by application inhibition in my Ubuntu 18.04 system?

When I am trying to restart/shutdown my Ubuntu 18.04, it requires authentication, showing dialog box with message: "Authentication is required for rebooting/powering_off the system while an ...
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VMware kernel module updater

This window pops up VMware kernel module updater I tried many solutions, including this one vmplayer problem - VMWare Kernel Module Updater doesn't run since 13.04 upgrade. If i do sudo apt-get --...
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I want all my service to run through my new user

This can be a long because i am very new to this linux so please help me with this, i created a new user using sudo adduser newUser sudo now i want all my services should run through this newUser, ...
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What is the difference between “drop_caches” and “blockdev --flushbufs”?

As the title says, I am confused about "echo # > /proc/sys/vm/drop_caches" and blockdev --flushbufs. http://pages.cs.wisc.edu/~remzi/OSTEP/file-implementation.pdf According to OSSTEP, If the ...
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Built in Finger Print on Acer Swift 13 Not Working

I have Acer Swift 13 with Ubuntu 16.04.5 LTS installed. But the finger print reader which is built in is not working. Is there a way to make it work? Also I'm wondering if it will work if I install ...
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Not able to installl Ubuntu on my ASUS laptop

I am trying to install ubuntu 18.04 alongside Windows 10 from a bootable 8GB USB in my new ASUS laptop (8gb ram, 512 SSD) and have partitioned the SSD into 2 partitiona and left 70 GB unallocated. I ...
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Problem with Kernel 4.4.0 Modules on Ubuntu

I have a Virtual Server, wunning under Ubuntu 16.04, Kernel version 4.4.0-042stab138.1. Now, I have some trouble to generate a firewall, for example ufw. It means, it will only work when a) Kernel ...
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I lost my all media files when i'm installing ubuntu , i accidentlly deleted all partitions , so how do i recover? [duplicate]

July 1 I installed ubuntu with a bootable pen, then accidentally I deleted all the partitions including windows, I lost my media files. plz, help me to recover my media files :(
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828 views

Compiling Opencv cpp code in ubuntu

while compiling the below code.. #include <opencv2/core/core.hpp> #include <opencv2/imgcodecs.hpp> #include <opencv2/highgui/highgui.hpp> #include <iostream> #include <...
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W: Ignoring Provides line with DepCompareOp for package gdb-minimal

When running sudo apt-get update below warnings are displayed in console W: Ignoring Provides line with DepCompareOp for package gdb-minimal W: Ignoring Provides line with DepCompareOp for package ...
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1k views

Why environmental variable returns none in Linux?

In windows to set a new variable = value we can simply add it to the environmental variable. However, in linux, looks a bit tough. this is the procedure which I followed: Open Terminal and write: ...
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TLS definition in libc.so.6 section .tbss mismatches non-TLS definition

errno: TLS definition in /lib/x86_64-linux-gnu/libc.so.6 section .tbss mismatches non-TLS definition in ../../../../dc_tools/libs/ghs_math_lib/libghs_math.so section .bss /lib/x86_64-linux-gnu/libc.so....
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308 views

Linux kernel version

I use Ubuntu Studio 18.04.2 (with extended life support). This OS is using linux-image (or headers, or modules, or tools) version 4.15.0-50. But... With Synaptic Packages Manager we can download and ...
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End kernel panic another syncing: VFS: unable to mount root fs on unknown-block(0,0) ]---

Ubuntu 19 update fail . I have used terminal to update18.04 to 19 but after 91% download it fails not working and after restarting it is showing error. Even log in is not opening.
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Why doesn't the gpg signature get verified while Ubuntu 16.04 kernel installation?

I'm trying to compile the kernel 'linux-4.15.tar.gz' and I'm following the process for the same. While verifying the gpg signature, the error I'm facing is: gpg: no signed data gpg: can't hash ...
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683 views

Pstore decompression failed

I don’t understand what this error means. Can anyone help? I’ve seen a couple of forums with the same error, but none helped me resolve it. Pstore: decompression failed, ret = -22 ! Pstore: ...
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2k views

Why is /usr/src/linux-aws-headers* growing?

Can someone provide some background? It seems like this folder is growing even when I'm not updating or installing any packages, but I'm not entirely sure about that. Context: My AWS instances keep ...
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Ubuntu 19.04 - VMWare kernel modules updater

I ran this command: apt-cache search linux-headers-$(uname -r) and it returns the output linux-headers-5.0.0-13-generic - Linux kernel headers for version 5.0.0 on 64 bit x86 SMP Then I ran the ...
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483 views

How to download linux-headers-4.18.0-17-generic?

sudo apt install linux-headers-$(uname -r) Reading package lists... Done Building dependency tree Reading state information... Done linux-headers-4.18.0-17-generic is already the newest ...
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32 views

I want to store multiple logs at /var/logs, into different folders by the name of the log files

For example, create folder syslog and store all syslog*.gz into that folder and so on..
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1answer
5k views

How to reinstall missing kernel modules after deletion?

The other day I was cleaning some disk space. I deleted some directories with the Linux Kernel headers. Now I see a lot of errors complaining about missing Linux headers. I tried to reinstall them but,...
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Password is not taking after waking up from sleep in Ubuntu 14.04

When the screen is locked in Ubuntu or I manually lock using Ctrl+Alt+L it gets the lock. the question is when I switch on the laptop password is not taking it shows invalid password. I have to go to ...
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1k views

Error installing VirtualBox on Ubuntu 18.10 x86_64

I'm kind of new in linux, and I'm having some problems trying to install VirtualBox on Ubuntu 18.10. It's having a kernel module version error, apparently the kernel version that the VB needs is not ...
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Paralel monitor problem [duplicate]

I am using Ubuntu 18.4.1 with one built-in and two external monitors. By normal booting (linux 4.15.0.44-generic) Ubuntu can not loaded. But all things ok when I am using linux 4.15.0.43-generic at ...
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Not finding linux headers for 4.10.0-28-generic

Ubuntu is having trouble finding generic linux headers for 4.10.0-28. What can I do to resolve this? Edit: Output of cat /etc/apt/source.list remus@linux:/var/log$ cat /etc/apt/sources.list # deb ...
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Image not found for the Ubuntu 14-04 Kernel 3.13.0-144.193

2 weeks back I used the path: https://cloud-images.ubuntu.com/releases/14.04/release-20180404/ To download the Image: for 3.13.0-144.193. Now nothing is found the path. Can anyone please update is ...
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dpkg error processing package

I am having an error installing PIP3 using the sudo apt install python3-pip command I am receiving the below errors. Could anyone please assist? Removing linux-headers-4.15.0-29 (4.15.0-29.31) ... ...
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1k views

Undefined reference to udev_new

I am currently trying to test a c++ code I wrote on Qt, and I downloaded libudev and it keeps giving a lot of "undefined reference to". I followed almost all of the posts of upgrading libudev, sudo ...
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471 views

Trying to free up space for some updates, but havent dependency issues trying to remove/purge

Im deploying to my server, using ansible, part of which runs a bunch of "update" commands before I start installing/updating packages. I recently got an error about disk space, but appear to be going ...
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1answer
405 views

Error in build while installing RTAI in Ubuntu 18.04

I am trying to install RTAI 5.0.1 on Ubuntu 18.04 LTS in Linux Kernel 4.1.18. I was following this tutorial. But unfortunately I am stuck in this part make -j `getconf _NPROCESSORS_ONLN` deb-pkg ...
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Looking for a tabbed SSH solution for Linux(Ubuntu) combining PuTTY/KiTTY, WinSCP and VcXsrv

When i used WinSSHTerminal , it a very good tool for Window machine to connect multipal server in session. Please check https://www.youtube.com/watch?v=7zX7Uv--2Js Could you suggestion me same ...
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339 views

Can't install programns or upgrade

I have a ubuntu server 16.04, and now i can't install anything program or update. Problem: root@srvWEBSIG:/var/www/html/airc# apt-get upgrade Reading package lists... Done Building dependency tree ...
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Wi-Fi adapter not found Ubuntu 18.04 with HP laptop

Please help. Wi-Fi adapter not found Ubuntu 18.04 with HP laptop Followed steps mentioned under 1) https://ibcomputing.com/install-rtl8723de-realtek-d723-ubuntu-18-04/#comment-73 2)No wifi option on ...