Articles about linux | UserComp.com | Page [ 34 ]

Configuring OpenConnect VPN with NetworkManager on Linux for Split-Tunnel and Subnet Restriction

Configure OpenConnect VPN with NetworkManager to route only specific corporate subnets through the tunnel while keeping local internet traffic on the primary interface.

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Error Starting Kali Linux in Windows 11: 'ERROR: CreateProcessEntryCommon:496: chdir(/mnt/c/Windows/System32) failed: 5'

Resolve the chdir permission denied error when starting Kali Linux on Windows 11 by unregistering and reinstalling the WSL instance.

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Linux Mint Booting Issues After Data Sync

Resolve Linux Mint boot failures after data sync by fixing corrupted GRUB configurations and mismatched UUIDs in /etc/fstab via Live USB chroot.

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Understanding the ID of Docker (999)

Resolves confusion between Docker image IDs and the numeric value 999, clarifying its role as a user UID or port to fix permission and networking issues.

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Back: Administrator Privileges Required or Not?

Resolve permission denied errors in Windows batch scripts by detecting and requesting administrator privileges via UAC elevation.

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Wifi Adaptor Not Found on Acer Laptop with Ubuntu 22.04

Fixes Wi-Fi adapter not found on Acer laptops running Ubuntu 22.04 by resolving hardware switches, missing firmware, and driver issues.

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Why is my Disk Loading at 100%?

Resolve 100% disk usage by identifying resource-heavy processes and applying targeted fixes like disabling indexing or updating drivers.

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Prevent OneDrive.exe from Hijacking Print Screen Button

Resolve OneDrive.exe intercepting the Print Screen key by disabling automatic screenshot saving in settings or using PowerToys to remap the hotkey.

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Setting Up a Local SSH Daemon for Datacenter Access without Sudo Privileges

Configure and run a local SSH daemon on an unprivileged port to access datacenter nodes without sudo privileges.

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Could blocking access to hosted service ports, including LAN network, affect service availability?

Resolves service unavailability caused by firewall rules blocking access to hosted ports on both LAN and internet interfaces.

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Check NFS Mount Using SATA SSD NVME Disk on RHEL 8.6

Resolve NFS mount verification issues on RHEL 8.6 by validating connectivity and performance across SATA SSD and NVMe storage backends using standard Linux utilities.

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Split string arguments CLI tool taking DOS-style arguments

Resolve CLI parsing errors when passing DOS-style slash arguments to Unix-based tools by using a wrapper script to translate them.

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Generating a Custom Word List Starting with 'Internet' for Tech Support

Extract unique network-related identifiers starting with Internet from Linux logs and config files using grep and awk.

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Inserting Silence Audio in FFmpeg

Insert variable-length silence into audio files using FFmpeg by splitting source media, generating silent segments with anullsrc, and concatenating them.

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Laptop Fan Running Consistently High Despite Cold Temperature

Reset the Embedded Controller to resolve laptop fans running high despite cold temperatures caused by firmware glitches or stuck state flags.

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Understanding Sudo File Permissions and Access to 'file.txt'

Explains why sudo cat file.txt succeeds by elevating the effective user ID to root, bypassing standard file permission checks.

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How to Change Tmux Tile Layout to Arrange 8 Panes into 3x3 Instead of 4x2

Resolve uneven tmux pane distributions by manually splitting and resizing eight panes to approximate a 3x3 grid layout.

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Fixing the 'Unsupported key' Error when Running a Script from Zabbix GUI

Resolve Zabbix Unsupported key errors by fixing script permissions, ownership, shebang lines, and environment variables.

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Securing Sudo User Input: Avoiding 'Invalidoption' Errors in Bash and Sh

Prevent invalidoption errors and command injection by sanitizing user input against a whitelist before passing it to sudo.

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Troubleshooting New PSU and Hardware: HD Not Spinning, CD/DVD Drive Clicking, and Front USB 3.0 Not Working

Resolve hard drives not spinning, CD/DVD clicking, and front USB 3.0 failures by verifying physical connector seating and power delivery.

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Installing Pacman for Kubuntu 24.04: A Misconception

Prevents system instability by explaining why Pacman cannot be installed on Kubuntu due to incompatible package formats and dependency structures.

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How to run sh script in lxterminal using double click on Raspbian

Fixes inability to run shell scripts by double-clicking in Raspbian by configuring executable permissions and lxterminal associations.

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Connection Issue with Load Balancing Router

Resolve secondary router connection failures by fixing IP conflicts, correcting WAN port usage, and disabling DHCP overlaps.

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Root Assigns Global IPv6 Addresses Dynamically: Allowing or Disallowing Access to Local Network Devices

Configure ip6tables to secure local devices against unauthorized access from dynamically assigned global IPv6 addresses.

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Work Hours Calculator Tool: Determine Total Hours Worked by Employees

Resolve negative time values and formatting errors when calculating overnight work shifts in spreadsheets.

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Authorization error in Ungit / Git

Resolve Ungit authorization errors by fixing Git file permissions, SSH key settings, and repository ownership on Linux.

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Troubleshooting Docker: Running Cron Jobs Inside Docker Containers

Resolve Docker cron jobs failing to execute or logging silently by ensuring the daemon runs persistently and configuring correct crontab syntax.

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Backup and Restore Partition Table and Linux Partition Labels

Prevent data loss by backing up and restoring MBR or GPT partition tables using sfdisk or sgdisk to ensure correct boot and mount behavior.

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Mounting a Removed Drive - Physical Drive

Resolve inaccessible removed drives by identifying device nodes and mounting them on Linux or assigning drive letters in Windows.

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Dual-Booted Laptop Can't Shut Properly, Causing Overheating: A Comprehensive Guide

Disable Windows Fast Startup to prevent dual-boot overheating caused by incomplete hardware shutdowns.

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Harmonizing Audio and Multiple Video Segments Concatenated via ffmpeg

Resolves audio-video desynchronization when merging multiple video clips with an external audio track using ffmpeg.

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Effective Text Comparison: VimDiff vs. DiffChecker.com

Resolve workflow conflicts by choosing VimDiff for offline, editable diffs or DiffChecker.com for quick, browser-based text comparisons.

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WSL: Used 'sudo reboot' in ubuntu; now everything is down incl. wsl

Resolve WSL Ubuntu failure caused by sudo reboot by running wsl --shutdown in Windows to reset the virtual machine state.

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Unable to Extract Data from .ve file (myfile.tgz) using file command in Linux

Resolve inability to extract data from .tgz archives by using tar -xzf instead of the file command which only identifies types.

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Windows: Unable to correct filesystem on NTFS formatted USB drives in Linux and W11

Resolve NTFS dirty flag errors on USB drives in Windows 11 and Linux to restore read-write access.

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Static Route and Forward Traffic Between Two Interfaces

Resolve connectivity issues in multi-homed Linux setups by configuring persistent static routes to forward traffic between specific network interfaces.

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Troubleshooting 'Wrong Cinnamon Desktop' Issue: A Comprehensive Guide

Resolve the Wrong Cinnamon Desktop error by verifying session files, clearing corrupted user configuration caches, and fixing display manager settings.

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Can I Mix Different DDR5 RDIMM RAM Kits in a Server?

Prevent performance degradation and system instability caused by downclocking and channel topology disruption when mixing DDR5 RDIMM kits.

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Vertical Browser Plugin: Split Browser Pages

Resolve the inefficiency of constant tab switching by vertically splitting browser pages to view multiple web sources simultaneously.

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Use Logitech MX Master 3 Mouse Thumb Button to Activate Window Switcher with xbindkeys on Linux

Map Logitech MX Master 3 thumb button to switch windows on Linux using xbindkeys and xdotool.

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Industrial Computer Cannot Auto Startup: BIOS Power Status PWR Failure Hidden

Resolve industrial computer auto-start failure by configuring the BIOS AC Recovery setting to power on after a power outage.

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Troubleshooting Ubuntu 20.04.6 LTS Machine with Large Storage Usage

Resolve high disk usage on Ubuntu 20.04.6 LTS by cleaning APT caches, managing systemd journal logs, and identifying large directories with ncdu.

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HP Pavilion Gaming Laptop i5-10300H Inside BIOS Issue: Laptop Won't Boot Anything

Resolve HP Pavilion i5-10300H boot failure and BSOD by performing a hard reset and restoring BIOS defaults to fix corrupted configurations.

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Simple Bash Script to Delete Files Fails on Ubuntu

Fix Bash scripts failing to delete files on Ubuntu by resolving permission errors, path resolution issues, and unsafe globbing patterns.

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Troubleshooting Wifi Dongle on Armbian: nl80211 Driver Doesn't Work

Resolve Armbian nl80211 Wi-Fi driver failures by installing missing firmware and configuring wpa_supplicant.

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Accessing Old Linux SATA HDD via USB-to-SATA Adapter on Windows 10 - Do I Need Special Software?

Resolve Windows 10 not recognizing Linux ext4 drives by installing Ext2Fsd to enable file access.

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Are JustFly Tickets Refundable?

Determine if JustFly tickets are refundable or eligible for credit based on fare type and insurance coverage.

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Firefox vs Opera: A Comparison for Linux Users

Resolve URL encoding discrepancies between Firefox and Opera on Linux caused by differing Gecko and Chromium engine behaviors.

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Change Primary Video Device on Linux

Resolve incorrect camera selection on Linux by configuring applications or udev rules to use specific /dev/video nodes.

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Why Does a Folder Get Automatically Created in /home/myuser/ When I Create a Folder in the Root Directory?

Explains why folders appear in the home directory after creation in root due to file manager mounts, symlinks, or scripts.

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