Articles about linux | UserComp.com | Page [ 36 ]

GNOME 3.32.2 on AlmaLinux 8.10: Screen Lock Activates with Keyboard Instead of Mouse

Resolve GNOME 3.32.2 screen lock activating on keypress by adjusting power settings and keyboard shortcuts on AlmaLinux 8.10

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Hyper-Threading: Scheduling Threads on Logical vs Physical Cores

Optimize thread scheduling on Hyper-Threading CPUs by co-locating related threads on the same physical core to maximize shared L2/L3 cache usage and reduce latency.

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Achieving Precise 10-Minute Shutdowns with VLC Player

Resolve VLC failing to exit after a set duration by using --stop-time and --play-and-exit flags for reliable automated shutdowns.

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Understanding Security Layers: LSMs vs. Flatpak in Linux Application Sandboxing

Resolve confusion between kernel-level LSMs and user-space Flatpak sandboxing to apply correct Linux security isolation strategies.

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Transferring Periodic Backups of /mnt/tosh Using Rsync with Hard Link Handling

Use rsync with --link-dest to create space-efficient incremental backups of /mnt/tosh by hard linking unchanged files.

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Ubuntu 22.04: Samba Shared Drive Stopped Working on Windows 10

Resolve Ubuntu 22.04 Samba shared drive connection failures on Windows 10 by fixing SMB protocol mismatches, service status, and network discovery settings.

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Understanding Different Hash Values in SSH-Keygen SHA256

Resolve SSH host key verification errors by understanding and validating SHA256 fingerprints to prevent man-in-the-middle attacks.

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GRUB Dual-booting Arch & Debian: Unable to Add Debian Entry

Enable GRUB OS Prober by setting GRUB_DISABLE_OS_PROBER=false and regenerating the config to detect Debian in a dual-boot setup.

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Managing Data Encryption with Fedora Linux: A Switch from NixOS

Configure LUKS encryption on Fedora Linux using cryptsetup, /etc/crypttab, and key files for secure boot integration.

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Delete Files with Specific Extension Older Than 3 Days: Troubleshooting

Resolve accidental data loss by deleting specific file extensions older than three days using safe find or PowerShell commands.

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Understanding Systemd Shutdown: User Unit, PAM Session Termination

Resolve hung logouts and data loss by configuring TimeoutStopSec for systemd user units during PAM session termination.

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Troubleshooting: Gamer Running Linux Server Not Using Correct Route

Enable masquerading on the public zone with firewall-cmd to fix incorrect routing for a Linux game server behind an SSH tunnel.

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Understanding Long File Names Inside Root Directory

Resolve cluttered root directories by identifying and relocating misplaced long-named files like backups and logs to appropriate system paths.

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Specifying New Current Directory in Shell Script Started Systemd: p1meter Script Issue

Resolve p1meter script failures in systemd by setting WorkingDirectory and StandardInput=null to handle non-interactive environments.

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Boot Option Showing 2 HDD with the Same Name on Notebook: Troubleshooting Guide

Resolve duplicate HDD entries in boot menu by verifying physical connections, clearing CMOS, and correcting UEFI settings.

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Troubleshooting MPEG-2 Video File from Camera with Audio Issues

Fixes audio clipping and wind puff artifacts in MPEG-2 camera files by normalizing peaks exceeding 6.7dB using FFmpeg diagnostics and dynamic range compression.

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Date Calculation Using Formula

Calculate a date six months ahead while ensuring the result falls on a weekday using Excel, LibreOffice, or Google Sheets.

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Troubleshooting: Traceroute Works but Ping Does Not

Resolve WSL2 ping failures by allowing inbound ICMP Echo Request packets through Windows Defender Firewall rules.

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Extending Linux Partition: Adding Swap and Dual-Boot System

Resolves the problem of adding swap space and setting up a dual-boot system by extending Linux partitions using GParted.

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Creating a Sentence on Wikipedia and Twitter without

Generate compact JSON without whitespace using Python json.dumps with separators=(',', ':') to ensure compatibility with Wikipedia and Twitter APIs.

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Unable to update picture properties in File Manager

Resolve inability to update picture properties in File Manager by fixing read-only attributes, permissions, and metadata locks on Windows, macOS, and Linux.

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Setting up Portable USB Drives to Boot Multiple Windows Go Versions (Windows 7, 10, 11)

Resolve multi-booting Windows 7, 10, and 11 on one USB by using Ventoy for modern versions and a separate partition or drive for legacy Windows 7.

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Fix LibreOffice Crashing Issues

Resolve LibreOffice crashes on Linux, Windows, or MacOS by resetting the user profile, disabling conflicting extensions, and disabling hardware acceleration.

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Using 3G Modem with SIMCOM SIM7600: Linux SOC USB Interface via UART

Configure Linux SOC to communicate with SIMCOM SIM7600 modem via USB serial drivers and UART for reliable IoT cellular connectivity.

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VPN Connection: Routing Tables Unchanged on Linux

Fix Linux VPN routing table failures by verifying tunnel interface status and correcting NetworkManager or manual route configuration errors.

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Copying Text One File, Replacing Another: A Tech Support Solution

Replace text in files using sed on Linux or PowerShell on Windows to automate bulk updates and avoid manual editing errors.

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Fixing Deal Error While Importing .ova File in VirtualBox

Resolve VirtualBox Deal Error during .ova import by verifying disk space, validating file checksums, and checking permissions.

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Understanding Significant Memory Usage by PID Process in RHEL 8.6 with systemctl services

Diagnose and resolve high memory usage by systemd services in RHEL 8.6 using ps, cgroup analysis, and configuration tuning.

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Kali Linux Won't Boot GUI After Configuring Nvidia Sync

Resolve Kali Linux GUI boot failure caused by Nvidia Sync configuration conflicts by restoring standard display manager settings and reinstalling drivers.

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Batch script to launch 2 programs/apps with 10 seconds delay

Launch two applications sequentially with a 10-second delay using native Windows timeout or Linux sleep commands.

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Docker Interface

Resolve Docker daemon startup failures and container connectivity issues by understanding the CLI architecture, managing systemd services, and configuring network mappings.

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Drawing Sessions Remotely with fbterm: A Comprehensive Guide

Resolve the impossibility of drawing to a remote framebuffer over SSH by implementing X11 forwarding or VNC for remote graphical access.

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Approach to Diagnosing Random Crashes on a Linux Server with Restricted Access

Diagnose random Linux server crashes with restricted access by analyzing dmesg, syslog, and kern.log for hardware failures or resource exhaustion.

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SSD Replacement on Laptop: Interpreting SMART Test Results

Resolve conflicting SMART test results to determine if an SSD requires immediate replacement or can be salvaged.

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SK Hynix Platinum PCIe Gen4 Driver Runs on PCIe Gen3: What You Need to Know

Resolve SK Hynix Platinum NVMe drive compatibility on PCIe Gen3 motherboards by confirming automatic speed negotiation and expected performance limits.

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Differing Behaviors of Identically Configured Windows 11 and Ubuntu 22.04 VMware Clients with Internet Connectivity

Resolve VMware Ubuntu 22.04 internet connectivity issues caused by Netplan misconfiguration, firewall blocks, or incompatible virtual network adapters.

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Indefinitely Restarting Systemd Services: Success or Failure?

Configure Systemd Restart=always or on-failure with RestartSec to automatically recover crashed services and prevent restart loops.

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Does Intel CPU support nested virtualization?

Enable nested virtualization on Intel CPUs by verifying VT-x support in BIOS and configuring Hyper-V or QEMU to expose virtualization instructions to guest operating systems.

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Choosing the Right SD Card Journaling File System for Windows and Linux

NTFS provides journaling for data integrity on SD cards in Windows and Linux, preventing corruption from power loss.

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Attempting to Get Specific Settings for FFmpeg Encodes

Resolve FFmpeg encoding errors by extracting input metadata with MediaInfo to construct accurate command lines.

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Removing Linux Boot Entry in UEFI for Windows 11 Dual Boot with Arch Linux

Resolve incorrect OS loading by deleting the Arch Linux UEFI boot entry using efibootmgr in a Windows 11 dual boot setup.

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Missing Folders on Laptop: How to Organize and Group Them

Resolves missing folder issues by establishing a logical hierarchy and consistent naming conventions to improve file navigation across Windows, macOS, and Linux.

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Freeing GPU Memory in Linux: Boosting Performance and Efficiency

Resolve GPU out-of-memory errors and restore performance by terminating rogue processes or restarting the display server without rebooting.

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Resetting VnStat Traffic Statistics Like Never Installed

Reset VnStat traffic statistics by stopping the service, deleting database files in /var/lib/vnstat/, and restarting the daemon to clear historical data.

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Getting Assistance from American Airlines Customer Service

Resolve American Airlines booking issues, manage AAdvantage benefits, and track baggage using phone, chat, or online tools.

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Possible Download: Linux Bootable Operating System

Install Linux on a wiped hard drive by creating bootable media, identifying the target disk, partitioning with GPT, and configuring the bootloader.

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Can I Transfer My WSL Ubuntu Installation to a USB and Run It from There?

Transfer WSL Ubuntu to a USB drive using wsl export and import commands for portable development across machines.

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Guide: Using CrystalDiskInfo command line/PowerShell

Resolve the lack of native CLI in CrystalDiskInfo by using PowerShell WMI queries or smartctl for automated drive health monitoring.

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Accessing Directory of Another User's Home Folder on Ubuntu

Resolves permission denied errors when accessing another user's home directory on Ubuntu by using sudo or modifying file ownership.

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Hp OfficeJet Pro 8620 Printer Disappeared from Kubuntu (24.04)

Fix HP OfficeJet Pro 8620 disappearing from Kubuntu 24.04 by reinstalling HPLIP and restarting the CUPS service to resolve driver synchronization issues after updates.

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