Questions tagged [error-handling]

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Black screen after installing

i tried installing ubunto on my old optiplex 755 After installation computer froze and restarted after that dell logo screen just stayed black with a white underscore at the top left
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Why does sudo su fail to execute?

I keep getting this error when I type sudo su su: failed to execute /bin/bash/: Not a directory Pls any idea why I'm getting this error?
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Can't extract `.box` files [closed]

i downloaded a .box file from internet which contained a Virtual Box image for Arch Linux, but for some reasons i can't extract those files. Whenever i try to extract the .box file i get an error. The ...
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"Unmet dependencies" while trying to install kde-plasma-desktop

I am not sure what i did to do this, everything was fine until suddenly kde started glitching. I switched to GNOME temporarily in hopes of reinstalling kde-plasma to fix the problem, but i am stuck ...
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Apps crash randomly on newly installed ubuntu 22.04

I've just installed Ubuntu 22.04 on my laptop with 8GB ram (no dual boot, ext4 + 20GB linux swap); Installed 2 gnome shell extensions (Dash to panel, Workspace Matrix); My working environment is just ...
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Simple Machines Forum PHP error - Ubunbu 20.04 [duplicate]

Error: Critical Error! Your environment does not support the required mbstring library. Please enable mbstring and try again.
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How to fix debconf: unable to initialize frontend: Dialog error w/Packer?

I am using the Packer vsphere-iso builder to build an Ubuntu-18.04 VM on vSphere with a shell provisioner, and when I run either of the following two commands: sudo apt-get install software-properties-...
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How do I add the repository for Unity?

This is the command I am trying to run: sudo sh -c echo deb "https://hub.unity3d.com/linux/repos/deb stable main" > /etc/apt/sources.list.d/unityhub.list' I am trying to install unity to ...
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2 answers
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Failure to launch Atom on Ubuntu 22.04 LTS

I have Ubuntu 22.04 LTS and installed Atom following this post. Upon launching from the icon, the window opens but remains blank and then crashes within few seconds. On terminal I get: $ atom /usr/bin/...
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how to fix error: failed to start checkmk in ubuntu 21.10

during the boot process this error message is consitently given . "failed to start checkmk monitoring" . ive ignored it because my computer seems to work normally. but ive begun to wonder if ...
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Dvorak-qwerty systemtap fails

I'm trying to the get the following script to run https://github.com/kentonv/dvorak-qwerty/blob/master/unix/dvorak-qwerty.stp It fails with the following error on install. a@T420:~/Desktop$ sudo apt ...
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Magick++.h: No such file or directory (Even after installing Magick++)

I am using a WSL Ubuntu terminal. I executed the following command to install Magick++: sudo apt-get install libmagick++-dev After this, I checked to make sure that Magick++.h has been installed or ...
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ERR trap gets a return code of 1; there is no stderr text I can find for a statement "(( kIdx++ ))" why?

My code is as follows: The error statement moved befored the fxSETprintf call so kIdx would match the ${kIdx} argument number in the function call. There was also comment removal and revision. ...
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Ubuntu problem on HP laptop

I have an HP notebook with the following specifications:   Detail Model 15da0xx CPU 8th Generation Intel Core i7 RAM 8GB Video Intel Corporation UHD Graphics 620 (256MB) Storage 500GB SSD I've ...
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How to fix error while installing citra on Linux

when doing 'sudo snap install citra-emu' and got an error: 'error: system does not fully support snapd: cannot mount squashfs image using "squashfs": mount: /tmp/sanity-mountpoint-217983941: ...
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Ubuntu 20.04 LTS Freezing

I just recently moved from Win10 to Ubuntu 20.04 LTS .3 for a week. Everything was fined except one thing: Ubuntu usually freezes randomly (cant do anything, cant move the mouse or enter any key). My ...
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The installation of the package failed initramfs-tool

When I am updating my Kubuntu 20.04 via Discover I am getting the message The installation of the package failed Error while installing package: initramfs-tools package post-installation script ...
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Error "update-grub" returned an error: exit status 1

Everytime I want to install or remove some package via terminal with sudo apt-get install ... or sudo apt-get remove ..., I finally get the following error: ZSys is adding automatic system snapshot to ...
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I take eror when ı want to upgrade lubuntu, also when ı try to use package menager or terminal. On this sense, Im able to use almost nothing

this for upgrade lubuntu This is a serious problem. Try again later. If this problem appears again, please report an error to the developers. Error Detail: E:Malformed entry 1 in list file /etc/apt/...
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4 votes
1 answer
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How to hide output of first command when using the || operator and exit?

This hides output from the first command, and prints Oops to stderr if it fails. So far, so good. #!/usr/bin/env bash invalid_command > /dev/null 2>&1 || >&2 echo "Oops" ...
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Cannot open any apps except visual studio code [duplicate]

I am currently on Ubuntu 20.04, but writing this from my phone. I am unable to open the terminal, settings, ... I have been searching for hours, nothing worked. Everytime I run an app, it loads but ...
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rufus showed me truncated iso error [duplicate]

I downloaded the latest ubuntu from the site and also the rufus. When I choose the iso file, rufus showed me truncated iso error. Plz help It told me to re download the file.
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Ubuntu 20.04 LTS apt update error => E: Some index files failed to download. They have been ignored, or old ones used instead

I'm receiving this error message when trying to update the apt repository in a Ubuntu 20.04 LTS. First time this happens, generally it works fine. I tried to look for answers, but did not found ...
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1 vote
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Fingerprint not working

I am using Acer Aspire 7 where I am not able to enrol my fingerprint. error: failed to enrol fingerprint. with lsusb command, I get Bus 001 Device 004: ID 04f3:0c4f Elan Microelectronics Corp. ELAN:...
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"Composer update failed: "/usr/local/bin/composer" could not be written." after installing Composer using the terminal

I'm on ubuntu 20.04 LTS and I have installed Composer directly using the terminal, but I'm getting this error: [Composer\Downloader\FilesystemException] ...
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Cannot find TOCBLOCK, database may be corrupt

I opened Logs today and saw this error which says: ldm_parse_tocblock(): Cannot find TOCBLOCK, database may be corrupt. I am NOT dual-booting, my PC is running under Ubuntu 20.04.3 LTS version, any ...
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hcp error found

when I am open the proxmox ubundu VM I get the below error. may I know the reason for this? ubundu version 18.4.5 enter image description here
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Error "This is not a bootable disk. Please insert a bootable floppy of Ubuntu."

I have a Lenovo T430 with Ubuntu on it . One day, I went to GParted and wiped all the partitions of my only ssd and then I turned the laptop off and on there was a GRUB recovery menu, so I informed ...
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Wine Error in dependencies error

I'm new to Linux and i chose Ubuntu because its the most stable Linux out there however whenever i try to install wine HQ i get this error The following packages have unmet dependencies: wine-...
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While booting up , Ubuntu 20.04 , a error message is displayed ... Ect/profile error found with respect to java

While booting in Ubuntu 20.04 lts the above dialoge pops up ... Displaying message etc/profile:JAVA: command not found... Till now I have no idea about it...so someone could please provide solution ...
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7 votes
2 answers
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How do I check if command failed... with a pipe?

So I have a script like this: somecommad | grep --invert-match something I'd like to be able to conditionally run a different command if somecommand fails. Here's what I tried: somecommand | grep --...
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Ubuntu 18.04 not starting after update

I just turn the system on and this shows up, and it stays like this forever.I don't know much about Linux.
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During routine use system freezes. Upon reboot, "error:no such device; error: unknown device"

Since 2017, I've had my laptop setup to dual boot windows 7 (from the internal drive) and Ubuntu (the default; from an external drive), in those 4 years it's been fine and there's been no change to ...
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None of the audio devices (input and output) are showing up

I made some changes in alsamixer after that list of input and output devices were empty in settings. I tried rebooting and re-installing alsamixer but none the methods worked for me. Earlier I was ...
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4 votes
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problem? what problem?

Every time I boot up my desktop, (Ubuntu Mate 20.04) regardless of the system I have it in, I get a message that says "System Program Problem Detected" ok cool, what problem? unlike other ...
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Unable to correct problems, you have held broken packages while installing gcc

i can't install this on my Ubuntu 20.04 LTS :~$ sudo apt install gcc Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be ...
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Unable to correct problems, you have held broken packages. when installing c++ [duplicate]

So I'm trying to install c++ and I keep getting this error sudo apt install g++ Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not ...
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1 answer
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'system program error detected' on startup, _usr_lib_xorg_Xorg.0.crash file in \var\crash can't be opened or removed

I am running Ubuntu Studio 20.04.3 LTS with xfce, a fresh install since yesterday, and on every startup I get a "system program error detected" notification. There is one file in /var/crash ...
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1 vote
1 answer
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KitScenarist symbol lookup error

I used to use KitScenarist to arrange my story scenes but recently it doesn't open up, echoing this error when using terminal to run it: /usr/share/KIT/Scenarist/Scenarist: symbol lookup error: /usr/...
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`Sorry Ubuntu 20.04 had Experienced an internal Error` after Every Reboot

Hello I am Having a stupid error after every reboot Sorry Ubuntu 20.04 had Experienced an Internal Error and has Send button Don't Send button I am actually not sure about why the error is. So ...
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Can we copy a sub directory to another sub directory?

I have to copy wordpress from the give path to htcdocs directory :-/var/www/html/wordpress and I have to copy this wordpress to /opt/lampp/htcdocs . Direct copy paste is not allowed. I tried different ...
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1 vote
1 answer
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Can't watch Udemy on Ubuntu 20.04

I tried many ways like: Install "Gstreamer plugins from the bad set", Installing ubuntu-restricted-extras, Toggle DRM, Turn of Use hardware acceleration, Install FFmpeg. But nothing works. ...
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1 answer
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Ubuntu focal fossa python3 error - Does this error happen to everyone?

Does this error happen to everyone? Install Ubuntu Focal Fossa. Then install the python3-pip (At this stage, Python3 is installed automatically) Python 3.8.10 (default, Jun 2 2021, 10:49:15) [GCC 9....
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Ubuntu Wont Start Up, any Suggestions?

These are the following messages I receive when I boot up my computer: /dev/sda2:clean, 567436/30049216 files, 10011641/12112000 blocks [FAILED] FAILED to start Light Display Manager [ 39.002848] ...
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1 vote
1 answer
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"which" command output into a variable does not work

I am just a beginner at bash scripting. I tried to save output from the command "which" into a variable and printing it but the variable shows nothing. This is the code which I tried: #!/bin/...
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Boot error after accidental reboot: "/dev/sda2: recovering journal"

I’ve been stuck on the boot screen for very long time. I’ve just installed Ubuntu on my old PC today and I just pressed a random key and I think I accidentally booted. This is what I see when I now ...
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writing login information to the keychain failed with error 'The name org.freedesktop.secrets was not provided by any .service files'

I'm running Linux Debian v5.4.109-26094-g381754fbb430 on my Chromebook. Everything has been working until now. On Sunday, I logged into VSC on another device using my account, then when I return to my ...
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Why doesn't the --quiet flag work when running the adduser command?

So after a few years of this annoying me, I figured it was time to crowd-source. Why doesn't the --quiet or -q flag work when running adduser commands on Ubuntu? According to the manual and all ...
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1 vote
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Error: Opening the Cache on ubuntu [duplicate]

I have been getting an error of opening the cache as in the below photo on ubuntu. I have tried by deleting the lists directory and then doing sudo apt update, sudo apt upgrade. The problem did go ...
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My Ubuntu Gnome Terminal dosen't work properly [duplicate]

When I try to update it shows this error. I use Ubuntu 20.04 404 Not Found [IP: 91.189.95.85 80] Err:18 http://ppa.launchpad.net/snwh/pulp/ubuntu focal Release 404 Not Found [IP: 91.189.95.85 80] ...
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