Articles about linux | UserComp.com | Page [ 25 ]

Extracting foregrounds from DJVU files

Extracts text from DJVU files by converting to TIFF and using ImageMagick thresholding to remove background noise.

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How to Connect to Wine/Linux via Remote Desktop on Windows OSes

Resolve xrdp connection failures and display issues when accessing Wine or Linux graphical applications remotely from Windows.

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Navigating VPN: Differences in Connection Times on Linux and Windows

Resolve VPN latency and slow connection times on Linux and Windows by optimizing network stack architecture, protocol selection, and driver configurations.

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Adjusting Recording Timeframe and Video Scale with Blur Lowering for Surveillance Camera

Resolve blurry footage and excessive storage usage by adjusting motion detection schedules, cleaning the lens, and optimizing video scaling settings.

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Timing Input Stream Duration Using Movie with Closed Captions

Detect subtitle presence and timing mismatches using ffprobe to ensure accurate video stream duration limits with ffmpeg.

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Understanding Strange Processes Running as User and Root: A Potential Sign of Server Compromise

Identify and investigate server compromise by detecting unauthorized processes running as user or root using Linux forensic tools.

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VirtualBox Ubuntu 24.04 VM Shows Black Screen on Boot

Resolve black screen boot issues in Ubuntu 24.04 VirtualBox VMs by switching the graphics controller to VMSVGA and disabling 3D acceleration.

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How to write a script in MobaXterm

Automate tasks by creating and executing Bash scripts in MobaXterm's local terminal or remotely via SSH.

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Files/Folders Missing on Hard Drive

Resolve missing files on hard drives by checking OS visibility settings, repairing file system errors with CHKDSK or fsck, and inspecting physical connections.

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IT Support: IPTables Redirection Issue with Python HTTP Server on One Machine's IP Address

Resolve IPTables redirection issues for a Python HTTP server by explicitly allowing inbound traffic on ports 22 and 443 while dropping all other incoming connections.

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Streamlining User Folder Bind Mounting in Windows 10 and MX Linux 23.2

Solves bind mounting Windows user folders to MX Linux via NTFS partition and fstab configuration.

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Understanding CPU Memory Stats: A Tech Support Guide

Diagnose system performance degradation by identifying memory leaks, excessive swapping, and hardware bottlenecks across Linux, Windows, and macOS.

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Unable to open resources in network browser on Mac with VPN connection

Resolve Mac network browser failures with VPN by fixing split tunneling and DNS misconfigurations that block local resource access.

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Ubuntu Install VirtualBox with High-End PC: Slow Performance Issue

Resolve slow VirtualBox performance on Ubuntu high-end PCs by enabling 3D acceleration and installing Guest Additions.

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Ubuntu Log in loop after installation

Resolve Ubuntu login loops by fixing GDM3 display manager failures, correcting home directory ownership permissions, and switching from Wayland to X11.

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How to Turn Off TTY Monitor at Startup on Debian Laptop

Disable TTY login prompts at startup on Debian by masking getty services to free resources and streamline the boot process.

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Using sudo for just one command in lost+found folder

Use sudo to safely execute single commands in the restricted lost+found directory for inspecting or recovering orphaned filesystem files.

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Lifecycle of HTTP request messages after being received

Explains the Linux kernel lifecycle of HTTP requests to help debug connectivity, optimize performance, and secure network services.

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Troubleshooting Semicolon Key Behavior: Shift + ; vs. Caps Lock Held

Resolve unexpected colon output when pressing Shift and semicolon key by checking for stuck keys, conflicting input methods, or OS-specific remapping issues.

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Corrected Machine Check Error - Decode: New AMD 5700X CPU

Resolve corrected machine check errors on AMD Ryzen 5700X by decoding MCA logs and updating BIOS to prevent future system instability.

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Converting MKV files to MP4 with subtitles using ffmpeg causes error parsing filter chain

Resolve FFmpeg trailing garbage filter error when converting MKV to MP4 by correcting comma-separated stream mapping syntax.

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Access Point: Keep Ubuntu 22.04 LTS Laptop Connected to Internet with Ethernet Only

Resolve intermittent internet drops on Ubuntu 22.04 by disabling Wi-Fi and prioritizing Ethernet connections to prevent interface conflicts.

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Convert Dolby 5.1 Surround M2TS to WebM Minimal Audio Degradation

Resolve WebM container incompatibility with Dolby Digital AC-3 audio by extracting the stream and converting it to Opus for minimal quality loss.

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Cannot Ping Kali Ubuntu from Ubuntu: A VirtualBox Firewall Issue

Resolve ping failures from Ubuntu host to Kali Linux guest by allowing ICMP traffic through the UFW firewall.

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Moving Files and Subdirectories in Main Directory: A Comprehensive Guide

Resolves the problem of relocating files and subdirectories across Linux, macOS, and Windows environments using command-line tools.

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Installing MariaDB Hangs: Ensuring Completion on Ubuntu MATE 20.04

Resolve MariaDB installation hangs on Ubuntu MATE 20.04 by setting DEBIAN_FRONTEND=noninteractive and verifying system resources to prevent debconf stalls.

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Can't Create Archive File? Here's How to Fix It

Resolve archive creation failures caused by insufficient disk space, missing write permissions, or corrupted software.

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How to Install Packages to Update Kali Linux without WiFi

Resolve Kali Linux package updates when WiFi is unavailable by using Ethernet, USB transfer, or mobile tethering.

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Inline Complex Grep Call to gitconfig: Creating a Custom 'podiff' File

Define a gitconfig alias to filter git diff output with inline grep, avoiding external script files and permission issues.

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Best Defragmentation Tools for Linux and Bootable USBs

Resolve Linux partition fragmentation safely using e4defrag and ntfs-3g via a bootable USB to prevent data corruption.

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Force PC to reconnect HDMI audio device (forgetting)

Resolve HDMI audio silence by forcing the PC to re-enumerate the device and clear cached handshake errors.

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Odd Behavior Across Multiple PCs: 9900K/2060, 4790K/1030, i3/HD5500, 7800X3D/4070

Resolve inconsistent system behavior across multiple PCs by repairing the Windows component store and performing clean GPU driver installations.

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Reallocation Data Using Symlinks: A Tech Support Guide

Resolve storage space constraints by redirecting file paths to secondary drives using symbolic links on Linux and Windows.

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Unable to Access BIOS on Kali Linux Raspberry Pi 5

Resolves confusion about accessing BIOS on Raspberry Pi 5 by explaining that UEFI firmware uses config.txt and rpi-eeprom-config instead of a traditional setup utility.

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Cloud-Init Fails to Make Backup of Configuration Files

Resolve Cloud-Init configuration failures by implementing idempotent scripts that check for existing settings before applying changes instead of relying on automatic backups.

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Troubleshooting SSL Connection Errors

Resolve SSL connection errors by verifying certificate validity with openssl and importing corporate proxy certificates into the system trust store.

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Red Hat 8.2: Idea Behind cp Failure with Large Files

Resolve Red Hat 8.2 cp failures with large files by checking disk space, quotas, filesystem integrity, and network stability.

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Is Email Security Still a Concern Today?

Explains how to secure email against interception, spoofing, and phishing using TLS, SPF, DKIM, DMARC, and MFA.

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Experiencing Baffling Difference Executing Binary vs Shell Systemd/Subprocess: A Tech Support Guide

Resolve environment mismatch errors when systemd binaries fail compared to shell execution by explicitly defining variables and avoiding shell wrappers.

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Sorting Command-Line Commands: Namespaces in Linux

Sort command-line output by specific fields and handle numerical or version-based ordering using awk and sort flags.

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Is my system's DNS hijacked?

Resolve DNS hijacking by verifying network settings, cleaning the hosts file, and scanning for malware to restore secure internet traffic.

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Programmatically Stopping Multiple Docker Services with Labels

Stop multiple Docker containers programmatically by filtering running services with specific labels and piping their IDs to docker stop via xargs.

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Troubleshooting Loud PC-Killing Zap Issues

Resolve loud PC-killing zap issues by identifying root electrical shorts and preventing hardware damage through safe isolation and minimum boot testing.

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Opening/Exploring .adi files with AOMEI Backupper

Resolve the inability to access individual files within AOMEI Backupper .adi archives by using the Image Explorer feature to mount them as virtual drives.

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How to Upload Images on a Linux HTML Site in Ubuntu: Getting File Extensions

Resolve broken image display and MIME type errors by verifying file extensions, setting correct permissions, and uploading assets to the Ubuntu web server document root.

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Connecting SSH to Visual Studio Code for a Hosted Webserver

Resolve the challenge of editing remote server files locally by configuring Visual Studio Code with the Remote-SSH extension and SSH aliases for seamless hosted webserver management.

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Understanding sudoers File: Allowing Execution of Specific Commands for a User

Grant users permission to run specific commands without full root access by editing the sudoers file.

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WD Passport Not Reading, Writing, Half Time, or Sensing Drive

Resolve WD Passport drive detection and read-write failures by addressing power issues, updating drivers, and running disk repair utilities.

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Understanding the Error: [:manyarguments] in Script

Fixes the [: too many arguments] error in shell scripts by correcting missing spaces around brackets and operators.

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Ethernet Interface Using Static Address Ignoring Defaultroute Provided by DHCP Server

Resolve loss of external connectivity on Ubuntu by manually adding a default gateway to Netplan static IP configurations.

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