Articles about linux | UserComp.com | Page [ 38 ]

Finding Duplicate Active DHCP Servers on Local Network

Resolve erratic network connectivity and IP conflicts caused by unauthorized DHCP servers on the local network.

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Linux/Windows BIOS Size and Its Impact on Complex CPUs: Phenom II Quad-Core Processor Requirements

Resolves confusion about BIOS size impacting AMD Phenom II performance by clarifying that firmware size affects stability and microcode inclusion, not runtime speed.

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Checking Multiple VNC Servers Running on Linux System

Resolve conflicts and security risks by identifying multiple VNC servers running on a Linux system using ps, grep, and ss commands.

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No Sound in Manjaro Install: A Comprehensive Guide

Resolve no sound issues on Manjaro Linux by verifying audio services, checking ALSA mixer levels, and loading kernel modules.

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Combining Two USB Sticks to Store a Large File

Resolve the inability to store large files exceeding single USB stick capacity by splitting data across multiple drives or using NAS and cloud alternatives.

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Correctly Using Postfix Virtual Aliases for Email Routing

Resolve email routing issues by configuring Postfix virtual aliases to forward messages to specific users or external addresses.

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Can a Faulty Hard Disk Make My CPU Idle So Low?

Resolves artificially low CPU idle caused by processes stuck in uninterruptible D-state due to hard disk I/O failures.

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Long Initialload Times for New URLs: Extremely Long Windows, Not OS Specific

Resolve extremely long initial load times for new URLs by addressing DNS resolution delays, TLS handshake inefficiencies, and browser extension conflicts.

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Is It Illegal to Download Modified GNU GNU2.0 Licensed Software?

Clarifies that downloading modified GPLv2 software is legal if source code access and modification rights are preserved.

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Sudden Forced Shutdown: Computer Works Fast Initially but Slows Significantly

Resolve sudden forced shutdowns and performance degradation caused by thermal throttling, hardware failure, or driver conflicts.

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Batch File for FFmpeg: Output Every 5th Frame

Extract every fifth frame from a video file using FFmpeg and a reusable batch script to create time-lapse sequences or reduce data size.

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How to Unfreeze a Stuck Process: Solutions for Linux, Windows, and MacOS

Resolve unresponsive applications on Linux, Windows, and MacOS by terminating stuck processes to recover system resources.

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Understanding the Difference: Ethernet vs. Type-Ether

Clarifies that Type-Ether is not a real technology and helps users identify actual Ethernet cable categories to resolve network connectivity issues.

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Check if an image already exists in the filesystem under a different name

Locate image files with different names or case variations in Linux using find and verify content identity via checksums to detect duplicates.

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Troubleshooting Kali Linux Installation: Failed to Attach Disk

Resolve Kali Linux installation failure by switching virtual disk controllers to SATA or IDE and verifying ISO integrity.

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Error: Attempt read write outside disk hd0 on HPMicroserver Gen8

Resolve HP Microserver Gen8 read write outside disk hd0 error by configuring UEFI storage options to correctly enumerate the LSI MegaRAID PCIe controller.

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Troubleshooting 'cannot open nohup.out' Error in Linux

Resolve the 'cannot open nohup.out' error by verifying file existence, checking permissions, and ensuring proper redirection before monitoring background process logs.

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Effective Lookup of Column Name in Large Quantity Tables

Resolve slow column lookups in large tables by querying INFORMATION_SCHEMA or system views instead of scanning data.

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Preventing Computer from Entering Sleep Mode: Stop Beeping Sounds

Disable motherboard beeps during sleep mode by adjusting BIOS settings or OS power management configurations.

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Rehabilitating a Freshly Installed Gnu/Linux OS on an Older Desktop

Fix CMOS checksum errors and deadbox issues on older desktops by resetting BIOS, replacing the battery, and adjusting kernel boot parameters for legacy hardware compatibility.

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Could losing Internet access in Windows 10 guest running VirtualBox cause issues?

Resolves Windows 10 VirtualBox guest internet loss by fixing NAT mismatches, DHCP errors, and firewall blocks.

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Understanding Docker Compose Network Isolation on Linux

Resolve Docker Compose connectivity issues by verifying network attachment and port publishing configurations.

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OBS Studio Low Volume Not Picking Up Audio Like Cellphone

Fix low audio volume in OBS Studio when using a Behringer UMC404HD by adjusting hardware gain staging, selecting the correct device inputs, and matching sample rates.

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How to Install Linux on an Old PC, Keeping Your Windows Partition?

Resolves the problem of installing Linux on old PCs while preserving existing Windows partitions and data through manual partitioning.

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Convert Container Format with FFmpeg without Re-encoding: A Step-by-Step Guide

Use FFmpeg with the -c copy flag to instantly change a media file's container format without re-encoding, preserving original quality and saving significant time.

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Cannot use gnomesu on Debian Linux on a Chromebook

Resolve gnomesu failures on Debian Chromebooks by installing and using the gksu graphical sudo wrapper.

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Troubleshooting Traffic Forwarding with Multiple Machines on a LAN

Resolve Linux LAN traffic forwarding failures by enabling IP forwarding, verifying packet flow with tcpdump, and adjusting firewall rules.

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Unable to Connect Windows Share from Linux Mint

Resolve Linux Mint Windows share connection failures by installing cifs-utils and using manual mount commands with explicit credentials.

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Keyboard not working on Kali Linux: Troubleshooting Guide

Resolve non-responsive keyboards in Kali Linux VMs by fixing hypervisor input capture, display server glitches, and kernel module conflicts.

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Centos 7 yum update issue - Troubleshooting Guide

Resolve CentOS 7 yum update failures caused by expired GPG keys, corrupted metadata, or invalid repository configurations.

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Home Server Services Reachable via Local IP but not Domain

Resolve home server services accessible via local IP but not domain by fixing DNS resolution, Docker port publishing, and router NAT loopback settings.

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Finding Information in WSL Database

Execute SQL queries from script files in WSL using sqlite3, mysql, or psql clients for automated data retrieval.

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Troubleshooting Transmission Permission Error: 'permission denied'

Fix Transmission permission denied errors by correcting file ownership and directory permissions for the service user.

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Can Apache be gracefully restarted without clearing the mod_cache_socache cache?

Apache gracefully restarts without clearing mod_cache_socache because shared memory persists across process reloads, preserving cached content.

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Scary Error While Booting the PC from USB

Resolve PC boot errors from USB drives by correcting BIOS boot order, disabling Secure Boot, and verifying installation media integrity.

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Installing htop and using nohup for long-running SSH sessions on Intel-based QNAP NAS (QTS 5.1+)

Resolve process monitoring limitations and prevent SSH session termination during long-running tasks on Intel-based QNAP NAS systems.

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Connection Refused to WSL(Linux) Host - Troubleshooting Guide

Resolve WSL2 connection refused errors by binding services to 0.0.0.0 and configuring Windows Firewall rules for the virtual adapter.

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Migrated WSL Ubuntu 20.04.06 to New Location, Leaving Ubuntu 20.04.3 Place: What You Need to Know

Resolve WSL Ubuntu 20.04 storage bloat by migrating the distribution to a new location using export and unregister commands.

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Preventing the Welcome Application Setup Wizard Message in InstallBuilder for Linux (Terminal)

Suppress the InstallBuilder Welcome Application Setup Wizard on Linux by running the installer with the -q or --non-interactive flag.

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Troubleshooting Sed Replace with Repeated Patterns in File Paths

Resolve incomplete replacements in file paths by adding the global flag to sed commands.

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Connection Refused PuTTY to VMWare Workstation Guest Rocky Linux

Resolve PuTTY connection refused errors to Rocky Linux VMs by configuring Bridged networking or NAT port forwarding in VMware Workstation.

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Determining if a Mystery Partition Has Been Deleted

Identify deleted partitions by detecting unallocated space discrepancies in Windows Disk Management or Linux lsblk and fdisk.

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Forcing HTTPS Traffic with .htaccess: SSL Certificate Implementation

Redirects HTTP traffic to HTTPS using .htaccess rewrite rules and resolves mixed content warnings.

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Linux Hosts Connected to Samba Server: What Does It Mean?

Resolve Linux client connection failures to Samba by troubleshooting hosts allow and hosts deny misconfigurations in smb.conf.

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Log Xfinity (Comcast) Router: Monitoring Internet Usage and Visited Sites

Explains why Xfinity routers cannot log specific visited sites due to HTTPS encryption and suggests using parental control software or DNS filtering for activity monitoring.

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How to Properly Set sudo crontab to Backup Files with Superuser Rights Nightly

Configure nightly superuser backups by editing root crontab with sudo and using absolute paths in a dedicated shell script.

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Managing File Permissions with chmod for Per-File and Shared Directories in Samba

Resolve Samba permission inconsistencies by aligning Linux chmod settings with smb.conf masks to ensure correct access for Windows clients.

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Using Linux-like Symlinks in a Windows Computer: Application Logs Directory

Redirect hardcoded application log directories to new locations using Windows symbolic links to manage disk space without modifying source code.

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Host Multiple Websites Behind One IP Port 80

Configure name-based virtual hosting to serve multiple domains on a single IP address and port 80 using Apache, Nginx, or IIS.

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Does Switching Video Output Using Xrandr Save Power?

Disabling unused video outputs with xrandr can reduce power consumption by triggering GPU driver power management features to lower clock speeds and prevent idle signal generation.

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