Articles about linux | UserComp.com | Page [ 18 ]

Resolving Doubts about UEFI Booting on Old Machines with Outdated Operating Systems

Fix UEFI boot failures on older hardware with outdated OS by verifying firmware support, adjusting Secure Boot and CSM settings, and installing compatible bootloaders like rEFInd.

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Selecting the Correct Bridged Adapter for VirtualBox on Linux to Connect to Wired Ethernet Device

Resolve VirtualBox VM connectivity issues with USB Ethernet adapters on Linux by identifying the correct interface and configuring a bridged adapter.

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Improve Scrollbars in Debian 12 Small Installation Image Xfce 4.18

Fix thin, hard-to-see scrollbars in Debian 12 Xfce by applying custom GTK CSS to increase their size and contrast.

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Merging and Measuring Loudness Levels of 5.1 WAV Stems with FFmpeg

Resolve EBU R128 loudness measurement errors when combining 5.1 WAV stems by virtually merging them with FFmpeg without creating intermediate files.

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Unresponsive Key (keycode 248) on Linux: Troubleshooting with xev

Resolve unresponsive keyboard keys on Linux by using xev to diagnose whether the issue stems from kernel driver failures or X server configuration errors.

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Solving rDNS Not Forward Confirmed and x.x.x.x.in-addr.arpa Looks Like Generic Errors

Fixes rDNS not forward confirmed and generic PTR record errors by aligning reverse DNS with forward DNS to prevent mail server rejections.

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Effortlessly Write Files to Tape with tar, pv, and Get Progress Bar

Solve the problem of lacking visibility during tape backups by piping tar through pv to display a real-time progress bar.

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Automatically Highlighting Keywords in Terminal: A SAW Tutorial

Configure shell aliases with grep --color to automatically highlight specific keywords in SAW terminal output.

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Setting up Prosody XMPP server on WSL2: Unknown address for existing Windows machines

Resolve WSL2 dynamic IP changes preventing Windows clients from connecting to Prosody by configuring port forwarding and binding to 0.0.0.0.

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Inline Custom Function Inside Formula: Building Formulas to Check Multiple Sources

Resolve missing data by checking multiple sources sequentially and returning the first available value or a default fallback.

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Docker: Moving Dockerd Data Directory to Save System Space

Resolve root filesystem exhaustion caused by Docker's default data directory growth by migrating the daemon storage to a larger partition.

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Fixing Video Width and Height with ffmpeg: A Tech Support Guide

Resolve video dimension errors, odd pixel counts, and aspect ratio mismatches using FFmpeg scaling filters.

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How to Align Spaces in CMD: A Guide for Major Platforms

Aligns command-line output columns on Windows CMD, Linux, and macOS for readable logs and reports.

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Upgrading Mini-ITX Case: Need New Power Connector for CPU Upgrade

Resolve CPU power connector incompatibility when upgrading Mini-ITX systems by identifying proprietary headers and selecting safe, high-quality adapters.

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Enabling S3 sleep on Lenovo Legion 5 Slim Gen 9 (AMD processor)

Explains why S3 sleep is disabled on Lenovo Legion 5 Slim Gen 9 AMD and recommends optimizing s2idle as the viable alternative.

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Postfix Sender Client Access Restrictions Not Working for Subdomains

Fix Postfix sender access restrictions not applying to subdomains by prefixing domain entries with an at symbol in the access table.

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Unable to download PDF using curl (OS X)

Resolve PDF download failures on macOS by fixing curl redirect handling, user-agent blocking, and authentication issues.

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Program Bypasses File Security Settings: A Tech Support Guide

Resolve access denied errors by adjusting file ownership, modifying ACLs, or running applications with elevated privileges instead of incorrectly editing the hosts file.

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Re-using Outputs: Complex Query

Separate stereo 3D video into independent left and right mono streams for precise individual processing.

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Safely Label an APFS Drive for Dual-Boot MacOS and Linux

Resolve APFS drive label visibility issues in Linux dual-boot environments by safely renaming volumes via diskutil.

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Changing Default Options for proc mount in Ubuntu Linux

Resolve application failures caused by hidepid=2 in /proc by updating /etc/fstab and remounting the filesystem.

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Troubleshooting RHEL 8.6 Network Connectivity: DHCP Address Not Obtained

Resolve RHEL 8.6 DHCP address failure caused by NetworkManager interface name mismatches and misconfigured connection profiles.

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Understanding No-Ignore Case Grep Command in Manpages

Resolves missed grep results in manpages by enabling case-insensitive search with the -i flag to match varying capitalization.

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Font Rendering Issue in Visual Studio Code on CachyOS (Arch Linux)

Resolve blurry font rendering in Visual Studio Code on CachyOS by updating font packages, rebuilding the cache, and adjusting editor settings.

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Locating a Running Firefox Session on Linux

Resolve unresponsive Firefox windows on Linux by identifying the active process ID or profile directory using pgrep and terminal commands.

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How to call ifcconvert from the terminal

Resolve IFC to OBJ, STL, or PLY conversion errors by verifying ifcconvert installation and using correct terminal syntax.

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Switching to Linux: Troubleshooting Dual Boot Issues and Removing Windows

Resolve dual boot failures and remove Windows by backing up data, deleting NTFS partitions via Linux installer, and fixing GRUB with boot-repair.

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Arch Linux Laptop: Unable to Turn on wlan0 with iwctl

Resolve Arch Linux wlan0 interface failure by fixing NetworkManager status, installing missing firmware, and loading correct kernel modules.

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Unable to Connect to DB from Inside WSL: Troubleshooting Guide

Resolve MySQL connection failures from WSL2 by configuring the Windows host IP, updating bind-address settings, and allowing port 3306 through the firewall.

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Connecting Two Devices with a Maximum Safe Distance Using One Router and Streaming IP Camera

Prevent signal degradation and packet loss when connecting two devices and an IP camera to a single router by keeping Ethernet cable runs under the 100-meter limit.

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Is my SSD failing, and should I try to warranty return it?

Diagnose SSD failure using Linux SMART tools to determine if warranty replacement is necessary before data loss occurs.

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Prevent fzf from screwing terminal settings

Fix terminal corruption caused by fzf leaving raw mode active on shared CloudLinux servers.

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Connect Public IP via SSH

Resolve SSH connection failures to public IP addresses by verifying network reachability, configuring OpenSSH clients, and troubleshooting authentication or firewall errors.

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Laptop Performance: Major Display Application Loading Lag with eGPU and Nvidia Driver Installed

Resolve eGPU display loading lag by verifying Thunderbolt cables, optimizing PCIe lane negotiation, and performing clean Nvidia driver installations to eliminate bandwidth bottlenecks and driver conflicts.

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Troubleshooting Home Network Connectivity Issues on Linux Computer

Resolve Linux home network connectivity issues by diagnosing misconfigured firewalls, interface bindings, and DNS resolution failures.

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ThemeFate vs. free Oedipus Rex: A Comparison

Clarifies that ThemeFate and Oedipus Rex are non-existent software to prevent confusion from SEO spam.

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Setting Up Ubuntu Server 20.04: A Step-by-Step Guide for Linux Newbies

Resolves the problem of securely installing and configuring Ubuntu Server 20.04 with essential networking, SSH access, and firewall settings for new users.

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Troubleshooting: 'v4l2' is not a suitable output format

Resolve the FFmpeg error by replacing the V4L2 device path with a valid file container format like MP4 or MKV for the output destination.

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Restricting Writing Access on a Samba Server: A User's Guide

Configure read only = yes in smb.conf to prevent network clients from modifying, deleting, or creating files on a Samba share.

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Use of Chapter Numbering and Paragraph Numbering in Tech Support

Resolve ambiguity in technical support by precisely citing specific lines and sections using combined chapter and paragraph numbering.

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Syncing OneDrive Business on Galaxy S23 Phone

Resolve OneDrive Business sync failures on Galaxy S23 by configuring the correct app, verifying credentials, and adjusting storage settings.

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Understanding Bash Glob Patterns and Variables for Tech Support

Resolve Bash globbing errors and variable expansion issues in automation scripts.

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Secure VNC Screensharing Connection Mac (Client) Windows 10 (Server) via SSH Tunnel

Establish a secure VNC connection from Mac to Windows 10 by routing traffic through an SSH tunnel to encrypt the data stream.

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How to Determine What Script is Deleting Files in Linux?

Identify the specific script deleting files in Linux by combining auditd rules to capture unlink events with cron job inspection.

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Fixing VirtualBox RDP Connection Issues between Windows 10 and Kali Linux

Resolve VirtualBox RDP connection failures between Windows 10 and Kali Linux by installing xrdp, configuring XFCE sessions, and allowing port 3389.

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How to Get the Total Actual Number of Nodes in a File System (Linux)

Retrieve the total inode count of a Linux file system using Python os.statvfs or C statvfs to diagnose space issues.

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Configure Amount of Reserved Memory for Linux Kernel

Reserve specific physical RAM ranges in Linux device trees to guarantee contiguous memory for critical hardware drivers.

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Controlling Output Format: date/tones in Command Line

Control Linux date command output format and handle negative signs for past dates using custom format strings and relative date options.

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Interpreting dmesg Output: Drive Failure Imminent

Resolve imminent drive failure warnings by interpreting dmesg output to identify hardware degradation and execute immediate data preservation steps.

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Determining Task Length: Progress Bar with bash (No New Libraries)

Shows how to create a bash progress bar using carriage returns and arithmetic expansion without external libraries.

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