Questions tagged [linux-headers]

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

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Can not install kernel headers. Has no installation candidate

I have just upgraded to Ubuntu 20.10 After that I decided to upgrade to latest kernel as well. But now there is some mismatch between my kernel version and headers. This image shows that I am using ...
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undefined reference to `__assert_fail' (ubuntu 20.04 arm64)

How can i fix it? parallels@ubuntu-linux-20-04-desktop:~/Desktop/Laboratorio/workspaces/srrg2_labiagi/src/srrg2_orazio/srrg2_orazio/srrg2_orazio/firmware_build/atmega2560$ make orazio.hex avr-gcc -...
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80 views

assert.h no such file or directory (Ubuntu 20.04 arm64)

I tried to solve this problem by installing the various libraries but still nothing. Advice? I checked the include path: parallels@ubuntu-linux-20-04-desktop:~$ locate /assert.h | grep assert.h$ /...
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48 views

How can I get the Last-modified header on a https website?

I'm trying to trigger a last-modified response from a https website, but all I get is 301 Moved Permanently The above only works on websites with http and I can't figure out why it won't work for ...
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Does Ubuntu 16.04 server supports kernel version 5.4?

Is there any recommended kernel version to use for ubuntu 16.04 server? Does it supports latest kernel version 5.4? will it cause any issue?
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What is GKEOP kernel image?

Just looking through possible linux kernels, I fall on linux-image-gkeop listed using Synaptic Package Manager.. never seen.
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Installing Device Drivers for TP-Link TL-WN725N Wireless Adaptor

I have purchased a TP-Link TL-WN725N wireless adapter and require to install its device driver to get it working. After perusing the product information sheet, I see that my current version of the ...
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1answer
49 views

Camera devices suddenly disappeared on ubuntu 20.04

I am using Ubuntu 20.04 on Asus Tuf. I have a very weird problem with the camera devices. When I restart the computer, both the integrated webcam and the external webcam are working perfectly and I ...
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Is it OK to delete obsolete linux-hwe-5.4-headers files on usr --> src?

Over the last six months, linux-hwe-5.4-headers-5-4-0-xx haven't been deleted from usr-->src directory. Earlier from the current versions, v42 to v62 are still available. Will there be any problem ...
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Ubuntu crashed without any signal input/output available!

I had experienced a Ubuntu crash while running boinc-client in docker container. Here is the log when the crash happened. ERROR: apport (pid 5734) Fri Feb 26 22:27:16 2021: executable: /opt/google/...
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/usr/src full with header files, purge and autoremove not helping

I have the issue with my /usr/src folder getting filled up with header files, and I didn't find a way to remove them. It is causing my disk very close to be totally out of free space: # df -h ...
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43 views

Hide Grub not working?

I have tried every solution I could find on askubuntu.com to hide the grub menu, but it always shows up. The following is my configuration (/etc/default/grub): # If you change this file, run 'update-...
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234 views

How can I install Linux headers?

I'm trying to install Linux headers in my system using sudo apt-get install build-essential linux-headers-$(uname -r) command. When I run it, it gives me the below error. Reading package lists... Done ...
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The package linux-headers-5.4.0-56 needs to be reinstalled, but an archive for it can't be found [duplicate]

when I ever I want to make most of the things in terminal I faced this problem ,even when I try to run sudo apt upgrade , it also appear I try to reinstall it by using sudo apt install --reinstall ...
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Disable mouse lock after inactivity for a while in ubuntu 18.04

I have installed ubuntu 18.04 on my PC. If I leave my system for a while the mouse is locked and does not move! I have to click (right or left) and then the mouse back to work again. I did not have ...
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51 views

OpenCv for c++ on ubuntu is not getting installed

Assalamualaikum I followed this article from top to bottom But when I executed - pkg-config --modversion opencv an error message showed up -'Package opencv4 was not found in the pkg-config search ...
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241 views

Is there an alternative to installing all kernel headers to make wireguard run

I'm facing the same problem as described in Can't load wireguard module, i.e.: sudo modprobe wireguard modprobe: FATAL: Module wireguard not found in directory /lib/modules/4.15.0 Probably, ...
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C++ Api to disable keyboard and mouse inut

I need an C++ API for Linux to disable keyboard and mouse input, and enable it once ctrl + alt + del is pressed( The shortcuts are not important). In Windows there is alternative BlockInput function ...
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1answer
627 views

fatal error: 'openssl/bn.h' file not found on Ubuntu 18.04

I did OpenSSL setup referencing How to install OpenSSL 1.1.1 and libSSL package? on windows subsystem Ubuntu 18.04. Writing CPP file in which using OpenSSL files: #include <cstring> #include <...
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118 views

How can ubuntu separate system files and normal files? [closed]

I'm new to Ubuntu Linux but I have one question. How can Ubuntu separate system files and normal files? I searched for them everywhere and I can't find any of them. Where does Ubuntu store these files?...
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Kernel headers point to older kernel

On my Ubuntu 18.04.1 system, I upgraded my linux kernel from linux-image-4.15.0-123-generic to linux-image-unsigned-4.17.0-041700-generic to get a fix not present in 4.15. I followed the instructions ...
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1answer
32 views

Unable to install older Linux kernel version

I had to install an older version of linux-kernel, I used the command: sudo apt-get install linux-headers-5. 3.0-64-generic When I'm running command sudo update-grub , it doesn't list this version. ...
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312 views

When I update my machine I get 'Release does not have a Release file' error [duplicate]

When I update my machine I get the following error message. E: The repository 'http://ppa.launchpad.net/webupd8team/java/ubuntu groovy Release' does not have a Release file. How can I update my ...
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2answers
136 views

Dual boot Ubuntu and Windows 10

I'm trying to install Ubuntu 20.04 as dual boot with Windows 10, I created a partition, live USB boot using RUFUS, but when I start the Ubuntu installation it everything is okay until the "...
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Need clarification on Azure linux Virtula machine updates will taken when integrated with Update management

We have Azure linux VMs(Ubuntu 16.04 LTS) OS which integrated with Updated management. I am observing all security and critical updates were installed where as other updates in pending state. Can you ...
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1answer
75 views

I got errors with gcc and ./install

I'm triying to download and install droidcam from https://www.dev47apps.com/droidcam/linux page oficial gcc make linux-headers-`uname -r` cd /tmp/ wget https://files.dev47apps.net/linux/...
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2answers
136 views

How can I pause an apt-get upgrade in linux? [closed]

I wanted to upgrade Linux. So before I go for an upgrade, I want to know how can I pause an apt-get upgrade and start this the next day from where I left?. I want to do this because I don't know how ...
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151 views

/usr/src/linux-headers-5.4.0-42-generic/tools/build/Build.include: File or directory not found

/usr/src/linux-headers-5.4.0-42-generic/tools/build/Makefile.build:37:/usr/src/linux-headers-5.4.0-42-generic/tools/build/Build.include: Datei oder Verzeichnis nicht gefunden "Datei oder ...
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1answer
22 views

how can i access my ubunu server with fileza as root user

how can I connect my ubuntu server 18 with FileZilla as a root user [how can i connect to ubunu server ][2]
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1answer
220 views

Internal Microphone is not working on the latest ubuntu 20.04.1LTS in acer swift 3

I installed ubuntu 20.04.1LTS in acer swift 3 .The internal microphone is not working.The system sounds are working fine.
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Failed to mount early API file systems, freezing [duplicate]

Read-only file system error occurs while I am working on Ubuntu 18.04. Then I restarted my system, ran fsck /dev/sda2, and after that my system isn't working. Error is Failed to mount early API ...
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1answer
637 views

Ubuntu 20 application menu scrolling issue

I installed Ubuntu 20.04 LTS , everything seemed to function normally initially for 2 days. But now the application menu is stuck, and i cant scroll there. Although I can access any application from ...
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1answer
947 views

Linux image update (linux-headers-4.15.0-106) made Ubuntu 18.04 LTS unbootable

Recently there was an update on the Linux image update from Livepatch, and requires restart. But after restart, I cannot boot my Ubuntu at all. I do have 3 other images able to be used, but it somehow ...
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111 views

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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stropts.h install for Ubuntu 20.01 [closed]

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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1answer
580 views

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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328 views

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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33 views

Copying external disk at OS level

I have a Ubuntu virtual machine. I 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/...
2
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1answer
246 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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1answer
295 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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1answer
319 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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232 views

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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1answer
1k views

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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1answer
2k 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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457 views

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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0answers
348 views

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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21 views

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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703 views

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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2k 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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692 views

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 ...