Questions tagged [troubleshooting]

Troubleshooting is a form of problem solving, often applied to repair failed products or processes.

91 questions with no upvoted or accepted answers
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RTNETLINK answers: File exists on Ubuntu Server 16.04

I have a fresh new install of Ubuntu Server 16.04. After installation, network connectivity was fine. I installed QuickBox, it's a seeding/torrent server software (https://quickbox.io). After the ...
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983 views

Working out what is causing my machine to freeze

Background For a few years now, I have been having problems with my Xeon workstations freezing. For many things they have been lightning fast, but sometimes applications or even the desktop just ...
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2k views

How to figure out why Linux crashes

Every so often, my laptop will crash. The screen will freeze, including the cursor, the lock lights (caps lock and the like) will turn off if they were on, though my battery, power, and wifi lights ...
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0answers
1k views

Page gets cut in the half if I print from Chrome or Google Cloud but with Firefox doesn't

I'm setting up print server for custom thermal printer on RaspberryPi running Linux Debian and I have a strange problem. If I print a test page it prints OK, same with web page from Firefox, but when ...
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1answer
901 views

wifi slowdown after time, how to troubleshoot

I do not currently have access to the computer with the issue, to I am sorry if this question is a bit vague. I only need to know how to troubleshoot and not the actual solution. Right, I have a USB ...
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0answers
38 views

How do I debug this issue about making xrandr permanent?

I'm trying to change my screen resolution at startup using xrandr. Following this answer, I symlinked a script as /etc/X11/Xsession.d/45setoutput. Here's the content of script: #!/usr/bin/env bash ...
2
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0answers
2k views

xrandr doesn't list display port

My laptop (Thinkpad W530) has a VGA and a mini DP port (OR a DP port via docking station). Ubuntu 18.04, xrandr in particular doesn't seem to recognize the DP. For example if I run xrandr gives me ...
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0answers
563 views

Cursor moving to the upper right corner

My dad bought a Lenovo Erazer X510 desktop system a little over a year ago. It is Intel based, and has an Nvidia graphics card. Not that it matters because the fault comes even on the integrated Intel....
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0answers
52 views

Bookmarks' suggestions are too slow in Firefox

After re-installing Firefox on my Linux Mint system I have been experiencing some trouble with my bookmarks; namely, when I start typing in the URL bar (the main bar in Firefox, the one on the left ...
2
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0answers
232 views

How to move a folder if I can't log in to my ubuntu?

My Ubuntu was working great but, I was having problems with a file that I thought was not in the right location, so I decided to move a folder called boot into a folder called root, and when I ...
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0answers
1k views

Linux Mint 18 can't connect to any wifi network

I have recent issues with WIFI not working on my fresh Mint installation. When trying to connect to my home WIFI it asks me again for password after 2sec and then again after 5sec to finally drop ...
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0answers
120 views

How to determine what event is disabling Sticky Keys?

I have an ongoing problem with Kubuntu 14.10, when using the computer I find that Sticky Keys is suddenly disabled. I reenable the feature, but in after some time (measured as three minutes to days) ...
2
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1answer
2k views

Why am I losing audio on VLC when playing HQ videos?

I am having a problem with VLC when I play HQ videos (720p and higher): when I try to look for a particular scene (say I am playing a movie and want to get to go to 30 minute mark) the sound goes off. ...
2
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1answer
2k views

How to troubleshoot high kernel time (high network usage; high interrupts)

I've noticed that I have high kernel time when doing a lot of network traffic in Linux. I also noticed that 45% of my CPU is spent doing interrupts. How can I further troubleshoot this?
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23 views

Audio is garbled - alsa-pcm front:2: snd_pcm_status error: Broken Pipe

Running on Fedora 34, all up-to-date. This is a new install as of a couple weeks ago. Computer is relatively new, on a good SSD, plays on Windows fine even with heavy usage, so this shouldn't be a ...
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0answers
60 views

Kali GUI works when reboot but not when startup

Okay so this is driving me crazy. I need help. I have a Kali linux machine set up with VirtualBox which has been working fine until two days ago. Then, it started doing a super weird thing when I log ...
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1answer
17 views

Debugging tactic — how to know which process is attempting to modify a file?

I have a strange bug where one of the many development tools I'm using is issuing a git reset HEAD in my project, causing me to lose all my work. I'm able to confirm this by checking the git reflog. I ...
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0answers
25 views

rsyslog only forwarding to remote server with logger -n and rsyslogd -n

Having an issue with forwarding rsyslog to a remote server and I can't quite pin it down. I don't think anything is wrong with my rsyslog.conf, seen below. I basically just added the line to forward ...
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0answers
24 views

Intermittent sound issue with amplifier in Fedora 32

To start off, I have no experience writing in this community although I have been around on the SE network for a long time now. I hope my etiquette violations will not be too egregious and you will ...
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1answer
186 views

In Arch, web browsers crash when opening file finder dialogue window

I recently update my Arch, and I am currently running kernel version 5.6.6-arch1-1. When I try to open a file finder window either from Firefox or from Chrome (e.g. uploading an email attachment), ...
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0answers
196 views

Troubleshooting boot issues

Server was running on Centos7 and it suddenly stopped responding. We tried rebooting and it is not able to find any OS to boot. We have tried the following troubleshooting. Tested ram using memtest, ...
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0answers
65 views

Crash when changing back to tty1

I'm using arch linux with mate-desktop. Whenever I press ctrl+alt+fk, where k=2,...,9 I switch to a tty. However when I want to return I do ctrl+alt+f1which results in a system crash. After that I can'...
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1answer
919 views

A stop job is running… if I execute dhcpcd and don't kill it on ARCH

I have recently installed arch. Noticed that when shutting it down often a "A stop job is running for session 3 of root.." message appears which takes 1:30 minutes to dissapear. Further investigation ...
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0answers
756 views

Slow wired connection on Linux but normal speed on Windows

I installed Ubuntu, Pop_OS, Manjaro, Neon, and Deepin, to my desktop PC (specs at bottom). My internet speed was very slow, basically unusable. Windows gives a normal 15 Mb down and 10 Mb up, but ...
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0answers
394 views

Can't launch GIMP pre-installed via Flatpak on Linux Mint 19, how to debug?

I have quite a fresh installation of Linux Mint 19 Cinnamon with GIMP pre-installed via Flatpak: Basic info $ flatpak info org.gimp.GIMP Ref: app/org.gimp.GIMP/x86_64/stable ID: org.gimp.GIMP Arch: ...
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0answers
129 views

Programs fail to run after moving /home to a different partition on same drive

I am running Arch and was having no difficulties until I moved my home dir to a different partition on the same drive. The sequence of events: Format other partition to ext4; mount it to /mnt Move ...
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1answer
478 views

Dual Boot Mint Linux cursor freezes on F541N (aka X541NA)- how to fix?

Bought ASUS VivoBook Max- F541N with pre-installed Win 10 few days ago and dual booted into Mint Linux Sylvia (Cinnamon) 18.3 successfully I see that the keyboard cursor (touchpad) pointer and ...
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0answers
2k views

Problem with installing Fedora 26 : “Error checking storage configuration” (Using Live USB)

I am on HP desktop with basic config as follow : OS Name Microsoft Windows 10 Pro Version 10.0.10586 Build 10586 Processor Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz, 3300 Mhz, 2 Core(s), 4 ...
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0answers
760 views

Linux Mint starting into Emergency Mode

I run Linux mint of an external hard drive. Today it made I funny noise and when I rebooted it entered emergency mode. I can still use my laptop via: Advanced options for Linux mint 18 Cinnamon 64-...
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1answer
387 views

Linux desktop freezes regularly with audio skipping

My desktop freezes randomly at times, and takes no input from either mouse or keyboard. If an audio track is playing (video, .mp3, etc.), the audio skips on the last sound or syllable heard, then goes ...
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266 views

Troubleshooting: which file contains the error?

I currently try to get gcalcli working with conky. Everything looking good so far, I am just stuck on 1 error: error: argument command: invalid choice: 'calw2' Which makes sense. It should be calw 2 ...
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1answer
1k views

Kali Linux hangs on boot after hard reset

I had to perform a hard reset after my machine became unresponsive. Now when I try to boot, it hangs as shown in this image: . I am able to boot into recovery mode, so have access to a terminal I can ...
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1answer
4k views

curl, wget do not return anything

I am trying this curl -I zomato.com | head -n 1 and I am not getting any response. % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 ...
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0answers
88 views

Changed motherboard, CPU and RAM — now I get a reboot loop after selecting Debian from GRUB

What I used to have: ASUS P8Z77-M motherboard Intel i7-3770K 3.5GHz Quad-core CPU 4 x 4GB RAM sticks -- G.SKILL Ripjaws X Series, DDR3 What I have now: MSI Z170A motherboard Intel i7-6700 Quad-core ...
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1answer
466 views

How to troubleshoot lack of audio playback?

Given a Linux machine for which no app or command produces sound, and an arbitrarily messed up configuration involving an arbitrary non-empty subset of ALSA, JACK, and Pulse, how to investigate the ...
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2answers
1k views

How to fix missing libraries?

Just tried to uninstall bitcoind and install bitcoin-qt but now it says error while loading shared libraries : libminiupnpc.so.16 cannot open shared object file : no such file or directory pacman ...
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0answers
171 views

simplescreenrecorder in ubuntu: the sound output isn't clear

Issue: simplescreenrecorder in Ubuntu 16.04 Xenial: the sound output isn't clear. Reproducing: I followed the instructions from this video. apt-cache policy simplescreenrecorder ...
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0answers
249 views

Kali 2 interrupted installation problem

I'm dual booting with Kali 2 and Windows 10. The problem is that i encountered this error: error: file '/boot/grub/i386-pc/normal.mod not found. Entering rescue mode... grub rescue> At first, i was ...
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1answer
831 views

Ubuntu on macbook won't boot from USB

I cannot boot Ubuntu from my macbook. I have tried the official Ubuntu walkthrough for creating a USB boot stick (located here: http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-mac-osx ) ...
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0answers
200 views

Null byte files in duplicity backup

When duplicty encounters 0-byte-files it gives an IO-error: Error [Errno 5] Input/output error ... getting delta for ... The files are usually some wired stuff like /home/user/.libreoffice/3/user/...
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1answer
487 views

Getting wifi to work on a fresh mint 18 install

I just installed mint and it doesn't show wireless connections, the driver is ticked on. Also when I try to do rfkill list nothing show up. Any idea on how to fix this? Maybe I need to get the ...
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0answers
2 views

BTRFS Mount hanging

Yesterday some of the client nodes on my network started having weird hangs which I traced back to my NAS that was acting up. The nas has one btrfs pool of 8 drives as follow (PS they shouldn't be ...
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0answers
23 views

Greenbone/GVM (Kali Linux) scan config error message

I use VirtualBox Kali Linux 2020.4. I recently installed Greenbone Vulnerability Assistant. Whenever I click on Scans > Tasks > New Task, the Scan Config drop down menu is not populated. When I ...
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0answers
36 views

hardware diagnosis with debian

I have a i7 8550u SOC thin PC that has started acting up lately. It runs debian 10 (buster). buster backports kernel 5.10.0-0.bpo.5-amd64. The SOC is housed in a thin PC aluminium fanless housing. I ...
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0answers
22 views

How to log all communication between MTA and relay host?

I am trying to set up nullmailer to use smtp.mail.yahoo.com as relay host for my home desktop computer (Debian buster). My attempts so far have failed, and I want to debug the problem. So far I have ...
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0answers
166 views

Can't update anything on Linux Mint 20.1

Every time I try to install updates using the update manager on Linux Mint 20.1 I get the following message : E: grub-pc: installed grub-pc package post-installation script subprocess returned error ...
0
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1answer
38 views

xdotool not working with sxhkd?

ctrl + 2 xdotool type Test Message Added the above line to sxhkdrc with no effect. Using different commands works, but for some reason any xdotool command doesn't work... If i run that command in ...
0
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1answer
38 views

Dpkg/atop daemon error

Whenever I try to install any package the following error occurs after a small bit of working normal: penguin systemd[1]: atopacct.service: Failed with result 'protocol'. penguin systemd[1]: Failed to ...
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2answers
74 views

How to change shell without the command line

Something broke my fish and I have no idea how to fix it so is there a way to change shell to zsh without using the command line
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0answers
20 views

Installed ubuntu-restricted-extras, but still not able to play or listen to anything, mp3s, mp4s, YouTube, etc

Running Ubuntu Netbook Remix 9.04 "Jaunty". This device has never let me play or listen to any format, mp4, mp3, YouTube, etc Recently tried installing ubuntu-restricted-extras to resolve ...