Tips How to remove known ssh host? There are multiple option to remove a known ssh host from the known_hosts file. 1. Use the ssh-keygen command This is the easiest and safest method to remove the known ssh host form known_hosts file. Run the following command by replacing the <hostname_or_ip> with...
Tips Delete .DS_Store and _.DS_Store files recursively To delete all .DS_Store files from subfolders (on macOS), you can use Terminal. Below are the steps to do it safely: 1. Open Terminal 2. Navigate to the directory where you want to delete all .DS_Store files. For example, if the folder is in Documents, type: cd ~/Documents/...
Plex Install Plex on Raspberry Pi using Docker 1. Prerequisites * Raspberry Pi 4 or 5 (Raspberry Pi OS 64-bit recommended for Plex). * Basic knowledge of the terminal. * Optional: External storage for media files. 2. Install Docker 2.1. Add Docker's official GPG key sudo apt-get update sudo apt-get install ca-certificates curl sudo install -m 0755 -d...
HLS Sample HLS (m3u8) streams test URLs (VOD and LIVE) When you're working with HLS, whether you're testing an HLS player or just trying to figure out how HLS works, it's super handy to have some sample HLS m3u8 URLs ready to test. I often catch myself googling for these URLs, so I'...
FairPlay FairPlay Streaming Error Codes When working with FairPlay Streaming (FPS), we may encounter errors with random error codes that lack proper documentation or explanation. An example of such an error is: Error Domain=CoreMediaErrorDomain Code=-42803 "(null)" Various errors may occur when working on FairPlay Streaming. The following provides the error codes...
Nginx Install/Update Nginx to the latest stable version on Ubuntu If you're using nginx on Ubuntu, you'll quickly discover that the default Ubuntu version bundled with the operating system is quite outdated. This implies the necessity of running the latest Nginx version to mitigate potential security issues. This article guides you through the process of upgrading...
Debug Debug Google Analytics 4 / Firebase Analytics using Charles Proxy for Mobile Apps Debugging Google Analytics 4 (GA4) or Firebase Analytics using Charles Proxy involves intercepting and inspecting the network requests made by the app. The following is a guide on configuring Charles Proxy to decode the *.app-measurement.com/a calls initiated by the Firebase Analytics SDK on iOS/tvOS or Android. In...
Apple Apple Fairplay Streaming Overview Apple's FairPlay Streaming (FPS) is a DRM (Digital Right Management) technology used to securely deliver streaming media content to devices. It works with the HTTP Live Streaming (HLS) protocol. Here are some key points about FPS: * FPS allows content providers to encrypt content, securely exchange keys, and protect...
Swift How to measure function execution time in Swift? Runtime code execution duration monitoring is crucial. Swift provides ContinuousClock to measures the time that always increments. The ContinuousClock acts like a stopwatch, measuring time relative to when a program starts or some other specific reference point. This is suitable for high resolution measurements of execution. 1. Measure function execution...
SwiftUI How to clear/reset SwiftUI Preview Caches? If you run into any SwiftUI Preview related issue, then there are high chance that you are facing that issue due to some cached preview data. Here are the steps to reset the SwiftUI Preview Caches: 1. Close Xcode. 2. Run the following command in the terminal: xcrun simctl --set...
Xcode Use Xcode 14 to run/debug code on iOS 17 or tvOS 17 As you might know, Apple doesn't include the iOS 17 or tvOS 17 device support files in Xcode 15. So, the old trick of copy-paste the device support files from newer Xcode to older Xcode is not possible. But there is a trick in Xcode 14 which you...
Xcode15 Fix Xcode 15 DT_TOOLCHAIN_DIR cannot be used to evaluate LIBRARY_SEARCH_PATHS, use TOOLCHAIN_DIR instead In Xcode 15 Apple changed the variable which points to the default toolchain location to $TOOLCHAIN_DIR from $DT_TOOLCHAIN_DIR. If some project/target used $DT_TOOLCHAIN_DIR then it need to be replace by $TOOLCHAIN_DIR. 1. Find DT_TOOLCHAIN_DIR Reference To find out where in your...
Swift Execute async/await method from Swift Command Line (CLI) Application Call an async/await function (with or without throws) from the Swift Command Line Application using the spacial @main attribute to prevent the CLI application from exiting before the asynchronous operation completes....
WireGuard How to set up WireGuard Client on Debian? WireGuard is an extremely simple yet fast and modern VPN. Setting up the WireGuard VPN client on Debian is straightforward. In this tutorial, we will set up WireGuard VPN client on Debian using nmcli. 1. Install WireGuard First of all, we need to install the WireGuard on your Debian Desktop/...
SwiftUI SwiftUI focusSection - UIFocusGuide Alternative for SwiftUI? Use the focusSection view modifier in SwiftUI as an alternative to the UIFocusGuide in UIKit to focus diagonally in tvOS apps by creating larger logical focus targets....
