Kubuntu: Missing archives following the upgrade from 22.04.4 to 24.04.1
I upgraded from KUbuntu 22.04.4 to 24.04.1.Following this upgrade, each time I execute an apt-get upgrade, the command displays missing dependancies.The command apt-get install -f displays an error...
View ArticleHow to Uninstall SANS SIFT Workstation from Ubuntu?
I need some help with uninstalling the SANS SIFT workstation from my Ubuntu PC. I installed it using the following commands:sudo dpkg -i cast-v0.14.47-linux-amd64.debsudo cast install teamdfir/siftNow,...
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How to fix system Lag and Stuttering on Ubuntu 22.04 & NVIDIA
I have been trying to diagnose the cause of lagging, stuttering videos and poor video call performance for quite some time now.In the past, everything worked smoothly. I can't recall when it started to...
View ArticleGPU Passthrough + MIG (vGPUs)
I have 4 GPU A100 PCIe 80GB. I'd like to use the first two GPUs for PCI Passthrough on KVM/OpenStack and the other two for vGPU (MIG).For the first two, I'd like to use the VFIO driver, and for the...
View ArticleAfter installation of fuse2 Ubuntu boot up stuck
Not entirely sure if these 2 things are related. But after installation of fuse 2 when I locked screen, I was not able to unlock it. On restart, the system is stuck in boot up mode.I see black screen...
View ArticleLow audio on microphone and speakers on Ubuntu both 22.04 and 24.04
The speakers and especially the microphone on my ThinkPad T14 Gen 5 (Intel Core Ultra 5 processor) have a very low volume. Tried something here and there but couldn't make them work properly.Some...
View ArticleUbuntu 22.04 Wrong Application Switching (Alt + Tab) Behavior
since I switched to Ubuntu 22.04 I noticed some wrong behavior when switching between certain applications.When I have Firefox opened and press Alt+Tab it opens PyCharm as usual.Now when I press...
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Notification bell is not showing next to the clock in Ubuntu 22.04
The small bell icon that is supposed to show next to the clock on my desktop whenever I get an email or a message on Slack is not showing.The notification bell is not showing next to the clock in...
View Article24.04 disconnects from vpn after a few minutes
I've recently upgraded my laptop to 24.04 and I started to experience the following issue.I use a VPN connection (OpenVPN server) to work remotely and after the OS upgrade the connection hangs after a...
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"failed go start load apparmor profiles managed by snapd" while booting...
I shutdown the laptop (Ubuntu 22.04) normally yesterday, and today when I tried to boot Ubuntu 22.04 it is not booting and giving me an error:Somehow I went to root terminal and did following:Then I...
View ArticleScreen freeze on Ubuntu 22.04 when playing video in Chrome or FF
Ubuntu 22.04, started freezing 2 days ago when playing videos in browser. No heating or signs of increased mem usage before this happens. Sometimes vids play for a minute or so, sometimes immediate...
View ArticleVirtual Box Guru Meditation: A critical error occurred while running the...
I installed some months ago Virtual Box (ver 6.1.50_Ubuntu r161033) on Ubuntu 22.04.4 LTS (Jammy Jellyfish) 64-bit with two virtual machines VM. After some months without any problem, I was trying to...
View ArticleClosing USB serial port hangs any application of VirtualBox
I installed Ubuntu 22.04 on VirtualBox (Ubuntu 24.04 as host if that matters) and I have an ESP32-S3 board connected on USB port. Guest additions installed. Acquiring the device inside the VM it...
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Ubuntu having intermittent lag on Dynabook-TECRA
The issue :I am experiencing some intermittent lag on my Dynabook TECRA-X50. The mouse and keyboard would have intermittent "freezing" making the use of the computer almost impossible.This lag starts...
View Article[22.04][EHL] can not shutdown and reboot
I've installed Ubuntu 22.04 on EHL platform, when I trying to reboot or shutdown, system will hang up and could not shutdown or reboot.This issue also existed on 20.04 and 21.10. Is there anyone can...
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Boot issues in Ubuntu 22.04 with new kernel
I have installed Ubuntu 22.04.5 LTS on my PC(dual boot with Win11) and it boots as expected with kernel 6.8Due to reason and my development tools, I need kernel 5.19 to run.I installed the old kernels...
View ArticleError re-compiling Ubuntu Jammy HWE kernel 6.8.0-45
I’m currently trying to compile a custom Ubuntu Jammy (22.04) HWE kernel, version 6.8.0-45, by following a procedure similar to the one mentioned here. I’m applying some patches to the iwlwifi...
View ArticleHow can I make onboard PC speaker beep on Ubuntu Server 22.04.3 LTS?
I have two old machines that I use as file servers. The first one has a GIGABYTE GA-G41M-Combo (rev. 2.0) with an Intel Core 2 Duo Processor E7400 (3M Cache, 2.80 GHz, 1066 MHz FSB) and the second one...
View ArticleUbuntu vs Kernel release
I want to know the mapping of a Ubuntu release and its corresponding kernel version.As per docs from Ubuntu, Ubuntu 22.04 ships with kernel 5.*However, when i install Ubuntu 22.04 image,i get kernel...
View ArticleUbuntu 22 with kernel 5.15
I want to install Ubuntu 22 but with kernel 5.15I downloaded ubuntu-22.04.1-desktop-amd64.iso and installed it but it is shipped with kernel 6.8. Also tried 22.04, 22.04.4 and 22.04.5uname -r gives...
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