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OpenWRT: Secure DNS over TLS with LuCI [No Command Line]

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OpenWrt Secure DNS TLS Tutorial

This article will show you a quick and clean way of getting secure DNS over TLS running on OpenWRT – without resorting to the command line. If follows on from our other OpenWrt Articles. We’ll be using stubby – a local DNS resolver that will encrypt local DNS queries and forward them to an external secure DNS resolver Provided by Cloudflare. Why Cloudflare? Because it’s the default secure DNS resolver in the default stubby configuration, that means we don’t have to edit the config files, and Cloudflare’s servers … Read more

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Restarting the Network in Ubuntu [Instructions/Example]

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Restart Network Ubuntu

If you’ve recently updated your network configuration or just can’t get things to connect, you may need to restart the networking services on your Ubuntu System to get things back up and running. Restarting the network is particularly useful if you’re recently updated your WiFi network details or changed your IP address or hostname. These examples will work for Ubuntu and should work for Ubuntu-based distributions like Pop!_OS and Linux Mint. Restarting the Network Service from the Linux Terminal/Command Line This is probably the solution you’re looking for … Read more

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PHP Timezones- How to Set/Change Timezone, With Examples

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Managing PHP Timezones

This article provides a combined tutorial for the PHP timezone functions, showing how to change the timezone globally or temporarily for a script/object. Timezones are a huge hassle. If your app has users from around the world, you’ll eventually run into the annoying task of ensuring that date handling works effectively for everyone – including the accuracy of times displayed and the format they are displayed in. PHP provides several tools to make timezone handling easier, allowing you to set the default timezone for the system, a … Read more

Categories PHP

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Showing Errors in PHP [Tutorial]

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Showing Errors in PHP

This tutorial explains how to use several methods for displaying errors in a PHP application for debugging purposes. Be Careful There are security considerations when displaying errors in any application. Be careful when and where errors are displayed – especially when building products for the web – as the errors may contain sensitive information. For example, if an application connects to a database and the database crashes, an error will be produced. That error may contain the username and password used to connect to the database. If … Read more

Categories PHP

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6 Best PHP Frameworks to Consider in 2021

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Best PHP Frameworks

PHP frameworks speed up the development of complex applications greatly. This article features 6 of the most popular frameworks to consider in 2021. These frameworks provide varying scaffolding levels to get you started, from database operations, object handling, user authentication, and page templating. So you are free to build your application without having to constantly write and re-write the common functions that make your application work. They also come with some security benefits – using a sanitized database abstraction layer that has been written and … Read more

Categories PHP

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Python Main Function & Method: What Is It and How Is It Used?

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Python Main Function Method

As you build more complex Python apps, you will probably want to start splitting your code into separate files. What Is the __main__ Function? Importing and executing code from another file is common in even small scripts and apps built with Python. As your library of scripts increases, you may choose to import previously written code into new projects. The __main__ function in Python is only executed when the script is called directly, allowing you to set different behavior based on how your code is being … Read more

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Concatenating (Joining) Strings in JavaScript [3 Methods]

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javascript string concatenation

Being able to concatenate (join) two or more strings together is pretty useful – you may be combining user input for storage in a single database column or doing the reverse – combining data from multiple database columns into a single string for display or output. There are several ways to concatenate strings in Javascript, and we’ll cover these methods below, along with some useful examples. The string.concat() Method The string.concat() method will join any number of strings to a given initial string. Syntax string.concat(string1, string2, string3…) Note that: string is … Read more

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Linux wget Command Guide [With Examples]

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Linux wget Command

If you followed our Magic Mirror tutorial, you’d see the wget command was used to download some files. This tutorial explains how to use wget, a command-line tool for downloading (getting) files from the web, be it via HTTP, HTTPS, FTP, or FTPS. Use it to download files from the internet from the Linux shell, call it from Bash scripts – it’s simple and versatile and doesn’t require user interference once started so that it can run in the background. Syntax wget [OPTIONS]… [ URLS ]… … Read more

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Building a Python Script to Resize & Watermark Images [Code Included]

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Building a Python Script to Resize Watermark Images

In this project, we take you through building, packaging, and publishing a command-line application using Python to resize and watermark images. Whenever I complete an article for LinuxScrew, I need to go through and add watermarks and make other small adjustments to any photos I’ve taken. This can be tedious so I thought, why not automate it. Then I thought, why not make a command-line app to do it (rather than just a bash script), and show you how you can make your own command-line … Read more

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Windows Software <=> Linux Software

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[digg-me] Below is the full list of Windows Software equivalents for Linux. If you can suggest better list you’re welcome to comment here! 🙂