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Networking

Troubleshooting IPv6 Connectivity on OpenWrt: Fixing DHCPv6 Issues

As IPv6 adoption continues to grow, ensuring seamless connectivity across both IPv4 and IPv6 networks is becoming increasingly critical for businesses and home users alike. OpenWrt, a popular open-source router firmware, provides robust support for IPv6, but sometimes users encounter Read more…

By Code New England, 6 monthsNovember 11, 2024 ago
Software Development

How to Use ChatGPT’s API with ASP.NET Core 8.0: A Comprehensive Guide

Integrating OpenAI’s ChatGPT API into your ASP.NET Core 8.0 application can enhance user interactions by providing AI-driven conversational capabilities. This guide will walk you through the process of setting up and using the ChatGPT API in your ASP.NET Core project, Read more…

By Code New England, 9 monthsAugust 17, 2024 ago
Apple

Fixing broken Time Machine backups after upgrading to Apple Mac OS Big Sur

After upgrading from Mac OS Mojave directly to Big Sur, skipping the Mac OS Catalina release, some of our clients experienced the issue, that Time Machine would not back up anymore. Some clients had their Macs backup to an Apple Read more…

By Code New England, 4 yearsNovember 19, 2020 ago
Software Development

Entity Framework Concurrency Error when updating existing data

We faced a real tough issue the other day, where we really had to take some time to see what was going on behind the scenes of Entity Framework. We love creating applications with C# and leverage Entity Framework but Read more…

By Code New England, 6 yearsJune 5, 2019 ago
System Administration

How to run each hosted website as a different user

After you have followed some great tutorial out there to install php-fpm and fast-cgi, it is now time to secure your webserver by running each hosted site under a dedicated user. Here are the steps to follow: In this example Read more…

By Code New England, 6 yearsJanuary 7, 2019 ago
Photography

Import Sony RX-100 VA .arw files in Lightroom 6

In the following steps, I will show you how you can import your pictures from the amazing Sony RX-100 Mk 5a into Lightroom 6. This also works if you are having trouble importing your images from a Sony RX-100 Mk Read more…

By Code New England, 7 yearsAugust 1, 2018 ago
System Administration

Add new Let’s Encrypt certificates with Certbot

To add new certificates for a new domain you set up, simply run the following code in your terminal, replacing example.com with your new domain name: sudo certbot –apache -d example.com -d www.example.com  

By Code New England, 7 yearsFebruary 24, 2018 ago
System Administration

Redirect one domain to another on an Apache Web Server

The most straigtforward way to redirect traffic for a domain (or subdomain) you longer wish to use to you new, shiny domain (or subdomain) is the following, simple VirtualHost file: (more…)

By Code New England, 14 yearsMarch 2, 2011 ago
Command-Line Basics

Move contents of folder up one level

Whenever I download WordPress and extract it, all files reside within the wordpress/ subdirectory. To simply copy all those files up one level, I issue the following command: (more…)

By Code New England, 16 yearsJune 24, 2009 ago
Command-Line Basics

Open a tar file using the command line on Linux

Opening a tar file on Linux couldn’t be easier. Navigate to the directory of your tar file and enter the following command: (more…)

By Code New England, 16 yearsJune 23, 2009 ago

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Recent Posts
  • Troubleshooting IPv6 Connectivity on OpenWrt: Fixing DHCPv6 Issues
  • How to Use ChatGPT’s API with ASP.NET Core 8.0: A Comprehensive Guide
  • Fixing broken Time Machine backups after upgrading to Apple Mac OS Big Sur
  • Entity Framework Concurrency Error when updating existing data
  • How to run each hosted website as a different user
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