Articles about block | UserComp.com

Troubleshooting HDD Drive Showing Empty But Has Data: GPT, fsck, Superblock

Resolve issues where a hard drive appears empty but contains data by repairing corrupted GPT partition tables or restoring damaged filesystem superblocks using fsck.

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Troubleshooting Starlink Connectivity Issues with a Multi-WAN Router and Blocked DNS

Resolve Starlink connectivity issues with a Multi-WAN router by verifying physical cabling, confirming gateway IP addresses, and manually configuring DNS servers to bypass provider blocks.

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Block Specific Robots/Bots Visiting Your Tech Support Site

Block specific bots from accessing your tech support site by editing the .htaccess file to deny requests based on User-Agent strings.

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Troubleshooting Hidden Elements with uBlock Origin on techsupport sites

Resolve hidden form elements on tech support sites by whitelisting specific selectors with uBlock Origin's Element Picker or temporarily disabling protection for the domain.

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How to Block Port 135 on Windows 11 Using Windows Firewall?

Block port 135 on Windows 11 to prevent RPC exploits like WannaCry by creating inbound and outbound firewall rules.

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How to Apply Cosmetic Filtering in uBlock Origin to Exclude Video Tags on Websites

Exclude video tags on websites using uBlock Origin cosmetic filtering to hide elements without blocking network requests.

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ISP Blocked Discord: How to Easily Access It by Changing DNS

Bypass ISP DNS filtering to restore access to Discord by switching to public resolvers like Google or Cloudflare.

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Subdomain Blocked in Rails 5: A Tech Support Guide

Resolve Rails 5 subdomain access issues caused by misconfigured route constraints, incorrect CORS headers, or network firewall rules.

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Understanding the Purpose of TEST-NET-1, TEST-NET-2, and TEST-NET-3 in Networking

Prevents accidental traffic to real public IPs by using reserved non-routable ranges for safe documentation and testing.

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How to Block a WiFi Network: Step-by-Step Guide

Prevents devices from auto-connecting to unwanted Wi-Fi networks by forgetting saved profiles or using router MAC address filtering.

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Disabling AdBlockers in Chrome: Accessing Google Analytics

Resolve missing Google Analytics data caused by Chrome ad blockers blocking tracking scripts.

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Xampp Error for Blocked Port: Troubleshooting Guide

Resolve XAMPP port blocked errors by identifying conflicting applications like Skype or IIS and either stopping them or reconfiguring Apache and MySQL to use alternative ports.

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Understanding the Impact of Superblock Size on Ext4 Filesystem in Linux Kernel

Clarifies that Ext4 superblock size is fixed and does not impact performance, directing optimization efforts toward block size selection instead.

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How to Make an Element Fill the Width of the Browser's Window

Eliminate default browser margins and padding to allow an element to stretch edge-to-edge across the viewport.

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Blocking Specific Domains: History and Impact on Social Media Sites

Explains how to block specific domains on social media using hosts files, DNS filtering, and browser extensions.

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Blocking IP Address: 8080 in Nginx - techsupport

Resolve unauthorized access to Nginx port 8080 by implementing IP whitelisting and deny rules.

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Block internet for Wifi connected devices

Block internet access for specific Wi-Fi devices using router parental controls or MAC address filtering.

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AutoText List: Building Blocks Gallery Content Control in Stack Exchange Network

Resolve confusion by clarifying that Stack Exchange lacks native AutoText features and requires Markdown syntax or external clipboard managers for reusable text snippets.

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How to Recover Data from a Lost RAID0 Superblock with Intact Data?

Recover data from a lost Intel RST RAID0 superblock by booting Windows to access the intact volume without risking corruption.

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Fixing EXT4 Filesystem Superblock Invalid Error After lvextend and Power Failure

Resolve EXT4 superblock invalid errors caused by interrupted lvextend operations and power failures using e2fsck with backup superblocks.

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RAID5 with Degraded Four-Drive: Missing Superblock on Single Drive

Recover a ReadyNAS 314 RAID5 array with a missing superblock on one drive by safely restoring metadata without data loss.

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Fixing Bad Magic Number Superblock Could Not Be Read Error

Resolve the Bad Magic Number Superblock error by creating a partition table and formatting the drive with ext4.

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Troubleshooting: Connection VPN Server to Computer - C Blocked

Resolve VPN connection failures and blocked traffic by diagnosing firewall rules, routing conflicts, and DNS misconfigurations.

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Chrome Extension for Scaling Individual Elements or Areas on a Page

Resolve Chrome extension limitations for scaling individual DOM elements by using Tampermonkey to inject custom CSS with transform scale.

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Customizing Block Browsers for Exam Preparation: Managing Extensions on YouTube

Resolve exam preparation distractions by configuring StayFocusd and StayFree to block YouTube and enforce strict browser usage limits.

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Verifying Data Integrity and Drive Health with Badblocks Read-Only Test (Badblocks/Linux)

Verify data integrity and drive health on Linux using the non-destructive badblocks read-only test without overwriting existing data.

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Blocking Attacking IPs Behind a Webserver

Block malicious IP ranges in Apache by configuring Require directives in virtual host files or .htaccess to reject unauthorized HTTP requests.

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YouTube Ads Appearing Despite AdBlocker: A Three-Day Old Issue

Resolve YouTube ads appearing despite AdBlocker by updating filter lists, clearing browser cache and cookies, and verifying site exceptions.

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Accessing Blocked Device: File Regular File Defined Size on Linux

Resolve I/O errors on blocked Linux block devices by creating a safe disk image with dd and mounting it as a loop device for forensic analysis.

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Fix MSExec Error Code 1305 when Installing HR Block 2024 Software on Windows 10 Home Version 22H2 OS Build 19045.5131

Resolve MSExec Error 1305 during HR Block 2024 installation on Windows 10 by terminating conflicting processes and clearing the temporary directory.

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Ensuring Security and Scalability in Blockchain-Based Applications: Best Practices

Resolve the blockchain trilemma by balancing security and scalability through consensus selection, smart contract optimization, and Layer 2 integration.

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Troubleshooting: Can't run a blockchain application based on Node.js and Hyperledger Fabric 2.1

Resolve Node.js Hyperledger Fabric 2.1 startup failures on Ubuntu by fixing OpenSSL mismatches, port conflicts, and environment variable errors.

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Block Access to Websites Except Safari and DuckDuckGo on Your iPad

Resolve the inability to whitelist specific apps like DuckDuckGo under iPadOS Allowed Websites Only by using Screen Time content restrictions instead.

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Reading Tape on CentOS 7: A Comprehensive Guide

Resolve tape read failures on CentOS 7 by identifying device nodes, verifying position with mt, and correcting block size mismatches.

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How to Select Footer Elements for All Websites and Hide Them

Hide footer elements on all websites using uBlock Origin global cosmetic filters to remove unwanted page sections.

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Dell Precision 3660: Hard Disk Reporting Bad Blocks

Resolve bad block errors on Dell Precision 3660 by running ePSA diagnostics, checking SATA connections, and updating BIOS and storage drivers.

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How to Block or Put a Password on Chrome Extensions

Prevent unauthorized Chrome extension installation and enforce security policies using enterprise management tools.

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Restore Win 11 Boot Block on an External Drive

Fixes Windows 11 external drive boot failures by rebuilding the EFI System Partition and restoring UEFI bootloader files using DiskPart and bcdboot.

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