Articles about linux | UserComp.com | Page [ 3 ]

Download File from Web Using Linux Command Line

Resolve wget HTTP 301 Moved Permanently errors by using the -L flag to follow redirects.

Read More
Configuring Iptables Rules to Allow Outgoing DNS Lookups: A Comprehensive Guide

Resolve domain name lookup failures caused by iptables blocking UDP and TCP port 53 traffic to and from DNS servers.

Read More
How did this usage of chmod break sudo access?

Fixes broken sudo access caused by overly permissive chmod settings on the sudo binary.

Read More
SSD Cloning from Windows 10 to USB: SSD Read-Only in Linux

Resolve read-only NTFS SSD cloned from Windows 10 to USB in Linux by checking physical locks and mounting with ntfs-3g rw permissions.

Read More
How to find out exactly which process was killed by OOM killer?

Identify the specific process and PID terminated by the Linux OOM killer using dmesg or journalctl logs.

Read More
Error 'Failed to query nvenc max version': How to Solve This Bug?

Fix the Failed to query nvenc max version error by verifying NVIDIA drivers, ensuring FFmpeg is built with NVENC support, and correcting library paths.

Read More
Understanding Server Memory vs PC Memory: A Comparison

Explains the technical differences between server and PC memory to help users select the correct RAM type for stability, capacity, or performance needs.

Read More
Ubuntu 22.4.4 LTS: UFW Firewall Allows SSH but Prevents Connection to Another Server

Resolve UFW blocking outgoing SSH connections by verifying default policies and adding explicit allow rules for the target server.

Read More
How to Shrink Sparse Files in Linux After Copying Them Without the -S Operator

Shrink dense files created by copying sparse files without the -S operator using cp --sparse=always or fallocate -d.

Read More
Debugging Essentials: A Comprehensive Guide

Resolves software defects using GDB, Visual Studio, and strace to isolate root causes and fix errors.

Read More
Understanding Ubuntu 22.04 VPS Security: Kernel Modules Disabled

Prevents dynamic kernel module loading on Ubuntu 22.04 to block rootkits and unauthorized driver injections while ensuring system stability.

Read More
Uninstall Snap Package on Kubuntu 24.04

Remove Snap packages and their data on Kubuntu 24.04 using sudo snap remove --purge to ensure a clean uninstallation without residual files.

Read More
Troubleshooting System Freezes after Changing Processors or GPUs on Linux

Resolve Linux system freezes after CPU or GPU upgrades by updating the kernel, installing missing firmware, and adjusting display server settings.

Read More
Free Web Filtering Software at Subdomain Level

Enable free subdomain-level web filtering using local hosts file manipulation or open-source Squid proxy solutions to bypass domain-only restrictions.

Read More
Fixing CJK Unicode Characters Output Issue in Wine Terminal

Resolve CJK question marks in Wine terminal output by setting registry code pages to UTF-8.

Read More
Four-Drive System: One Drive Operates Slowly

Resolve slow performance of one drive in a four-drive system by diagnosing thermal throttling, SATA bandwidth saturation, or disk failure.

Read More
Automate Finding and Extracting Part Specifications from Large PDFs

Automate extracting part specifications from scanned PDFs using OCR and regex to convert unstructured datasheets into structured data.

Read More
Difference between Windows WSL: Ubuntu vs Ubuntu 22.04.2 LTS in Windows App Store

Distinguish between generic Ubuntu and versioned Ubuntu 22.04.2 LTS in the Windows Store to choose automatic updates or stable, isolated environments for WSL2 development.

Read More
Discrepancy in Disk Usage Between du and ls Commands in Linux: Possible Explanations

Explains why du reports higher disk usage than ls due to block allocation, sparse files, and directory overhead.

Read More
Securing an Ubuntu Server for Development Purposes

Prevents unauthorized access and system compromise on Ubuntu development servers by configuring UFW, creating non-root users, and enforcing SSH key authentication.

Read More
Chips, Bank, Flash Disk: No Media (0 bytes) Installing Arch Linux with Rufus

Resolve the No Media error on Chips Bank flash drives during Arch Linux installation by switching Rufus to DD Image mode.

Read More
Distributing Cookies Based on Calorie Allocation

Calculate precise cookie portions based on individual calorie budgets to ensure fair distribution and adherence to dietary limits.

Read More
Unable to find matches in SQL-Server generated script on WSL

Resolve grep search failures in SQL Server scripts on WSL by converting Windows CRLF line endings to Unix LF format using dos2unix or editor settings.

Read More
SSH Credentials Added Twice: Unable to Remote Connect via SSH on Ubuntu

Resolve SSH connection failures caused by duplicate host keys in known_hosts using ssh-keygen -R.

Read More
Troubleshooting SSH WSL Machine: Can't Connect to Localhost

Resolve WSL SSH localhost connection failures by starting the service, configuring port forwarding, and updating firewall rules.

Read More
Hyper-V: Accessing LAN Devices on Host

Resolve Hyper-V Ubuntu VM LAN access issues by configuring an external virtual switch and adjusting firewall rules.

Read More
Using `-m` option with bash and Vim on Windows 11 Pro

Resolves confusion about Vim's -m flag on Windows 11 by clarifying it disables file writing rather than managing memory.

Read More
Incrementing Number: How to Update Time Print Sheet No. 1, 2, etc.

Automate sequential sheet numbering in time printouts using Mail Merge on Windows, Linux, or macOS.

Read More
Managing Multiple Hard Disks with Slightly Space Available

Resolve low disk space on primary drives by safely migrating user data and applications to secondary hard disks across Windows, macOS, and Linux.

Read More
Unable to Copy Specific Characters from PDF: Reason and Diagnosis

Resolve garbled text or empty selections when copying specific characters from PDFs by diagnosing font encoding issues and applying OCR for scanned documents.

Read More
Pull Data: New List (Separated by Commas)

Generate comma-separated lists from data using awk, PowerShell, Python, or Excel.

Read More
Systemd Service Not Loaded in Yocto: A Solution for Debian Machines

Resolve Yocto systemd services failing to load by creating symlinks in multi-user.target.wants.

Read More
How to Overwrite Bash Alias for Git Pull Sub Modules

Resolve manual submodule updates by creating a Bash alias for git pull with the recurse-submodules flag.

Read More
Why are the MD5 checksums different when tar-ing the same two packages?

Explains why tar archives have different MD5 checksums due to embedded metadata like timestamps and ownership, and how to create reproducible archives using normalization flags.

Read More
Recovering Data from an Old Acer Aspire Laptop's Hard Drive

Recover files from a corrupted Acer Aspire hard drive by booting Linux or using a USB adapter.

Read More
Boosting Drive Visibility in File Explorers: A Comparison of Nemo in Linux Mint 21

Resolve missing drive visibility in Linux Mint 21 Nemo by restoring the sidebar with F9 and manually organizing devices.

Read More
Mapping SELinux User to Linux User

Map Linux user imran to SELinux user secman_u using semanage to enforce correct security contexts.

Read More
How to use pipx install -r?

Resolve pipx install -r errors by using virtual environments for libraries or installing individual CLI tools explicitly.

Read More
Possible in Linux for root to take ownership of a running process without restarting it?

Explains why Linux prevents changing a running process's UID and demonstrates using ptrace with strace or gdb for administrative control.

Read More
Fixing Frozen Playback in VLC: A Guide

Resolve VLC frozen playback by repairing corrupted video headers with FFmpeg remuxing or disabling hardware acceleration to prevent decoding stalls.

Read More
Building and Running C++ Code in WSL2 (Linux Debian) with Mingw - Not Always the Last One Running

Enables running MinGW C++ executables in WSL2 Debian by configuring interop and preventing path conflicts.

Read More
Error Installing Flatpak Package on Kali Linux Rolling: Unable to Locate Package

Resolve the Unable to Locate Package error when installing Flatpak on Kali Linux by updating repositories and verifying sources list configuration.

Read More
Connecting to a RealVNC Server via Intermediate SSH Terminal

Resolve VNC connectivity issues by routing traffic through an SSH tunnel to bypass network restrictions and encrypt plaintext data.

Read More
Changing Cell Alignment and Font Color in Spreadsheets

Resolve poor data readability by adjusting cell alignment and font color in Excel, Google Sheets, and LibreOffice Calc.

Read More
How to Solve The Following Signatures Couldn't be Verified Because the Public Key is Not Available: NO_PUBKEY EB3E94ADBE1229CF

Resolve the NO_PUBKEY EB3E94ADBE1229CF error by importing the missing GPG key to /etc/apt/trusted.gpg.d/ for secure package verification.

Read More
Putty: Reading Script Filenames - Yes or No?

Clarifies that PuTTY does not prompt for script filenames, identifying the issue as remote shell or script behavior.

Read More
Determining If Enough Space is Available in Destination Drive for rsync Dry Run

Calculate total bytes required for an rsync transfer using a dry run to prevent destination disk exhaustion failures.

Read More
Resolving Missing Metadata in Large Video Files

Fix missing metadata in large video files using FFmpeg to inject tags without re-encoding.

Read More
Upgrading Linux Kernel Version without Compiling Everything: Incremental Patches

Apply incremental patches to Linux kernel source to save bandwidth and maintain a stable baseline while avoiding full tarball downloads.

Read More
Running Outdated JDK 8 with PaperMC

Resolve Java version conflicts to run PaperMC with JDK 8 by configuring explicit startup scripts and environment variables.

Read More