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  Symptoms   System beeps on tab-completion Certain operations in VI/VIM will activate sound beep   Resolutions   At the Linux Kernel Level Unload and blacklist pcspkr kernel module. modprobe -r pcspkr To blacklist a kernel module, there are mul...

  If you experience kernel panic when launching RHEL9 installer or booting RHEL9 kernel, you need to blacklist pinctrl_elkhartlake kernel module. The problem has been described in RedHat KB article: https://access.redhat.com/solutions/6628471 Solutio...

When read or write SCSI command isn't able to complete, Linux kernel reports this type of messages. sd 11:0:5:0: attempting task abort!scmd(0x00000000ec158cca), outstanding for 30206 ms & timeout 30000 ms sd 11:0:5:0: [sdp] tag#1015 CDB: Write(16) 8a 00 ...

Comments Step 2 ACK=1 increased (from 0 to 1) because of SYN=1 in Step 1. Step 3 SEQ=1 because of ACK=1 in Step 2 ACK=1 increased (from 0 to 1) because of SYN=1 in Step 2 Step 4 ACK=1, SEQ=1 remain the same because no additional data has b...

Disable/Enable virtual machine automatic startup qm set <VMID> --onboot [ 0 | 1 ] Shutdown virtual machine qm shutdown <VMID> qm shutdown --forceStop <VMID> Reboot virtual machine qm reboot <VMID> List all virtual machine IDs qm list | awk '$1...

Install Necessary Package If you want to make console (terminal) font bigger, try fonts-terminus. apt update apt install fonts-terminus -y Reconfigure system console font dpkg-reconfigure console-setup Choose character encoding   Choose ...

Requirements 4 systems with at least 2GB of RAM 4 systems, each with at least 2 CPU cores All cluster nodes should have static IPv4 address assigned. If you're using DHCP, make sure DHCP always assigns the same IP to each node (DHCP binding). IPv4 address...

Introduction On a laptop system, in order to prevent unnecessary battery drain when device isn't used, take advantage of suspend, followed by hibernation to disk feature. On many Linux distributions this is provided as part of systemd-udev package. The i...

Left: reMarkable 2 Right: reMarkable Paper Pro (max backlight)   Left: reMarkable 2 Right: reMarkable Paper Pro (no backlight)   Left: reMarkable 2 Right: reMarkable Paper Pro (no backlight)

BIOS Version BIOS 1.11.1 released on 11 Dec 2025   Operating Systems Fedora 43 Ubuntu Desktop 24.04 Problem Linux system fails to suspend Reasons USB4/Thunderbolt controller located at 0000:00:0d.0 PCIe address fails to suspend for s...

Installation procedure for Ubuntu 24.04 LTS   #!/bin/bash set -e pkgdir=packages if [ ! -d $pkgdir ]; then mkdir $pkgdir fi cd $pkgdir if [ ! -f cuda-ubuntu2404.pin ]; then wget https://developer.download.nvidia.com/compute/cuda/repos...