Step 1: Understand What SSH Is SSH stands for Secure Shell. It is a secure protocol used to: * Connect to remote servers * Clone Git repositories * Push and pull code securely * Deploy applications Instead of using passwords, SSH uses cryptographic key pairs. Step 2: Understand SSH Key Pair When you create
Technical Guide: Upgrading to Spring Boot 4.0.1 This guide outlines the technical requirements, dependency changes, and configuration updates necessary to migrate a Spring Boot application to version 4.0.1. 1. Build Environment Update Before updating application dependencies, ensure your build tool is compatible with Spring Boot 4.
Nextcloud manual setup steps * Update and Install Dependencies We need the web server and all PHP modules required by Nextcloud. Run this on Server 1 AND Server 2: sudo apt update sudo apt install apache2 php libapache2-mod-php php-mysql php-common php-gd php-curl php-imagick php-mbstring php-xml php-zip php-intl php-bcmath php-gmp unzip -y
Modern authentication systems are moving beyond passwords. With the rise of passwordless authentication, One-Time Passwords (OTPs) delivered over email or SMS are becoming a trusted standard for secure and seamless user logins. However, implementing an OTP-based login mechanism that is scalable, reactive, and audit-compliant requires more than a simple verification
The Problem Enterprise applications that export Excel reports with embedded documents face a critical security challenge. The straightforward implementation exposes internal system identifiers: https://app.example.com/api/document/12345/view?tenantId=67890 This reveals: * Internal document IDs (12345) * Tenant identifiers (67890) * API structure and endpoints Once Excel files are
Commands * mongod - start mongo db server instance * mongo - start mongo db command prompt to execute commands * show dbs - show databases * mongoimport -d [DATABASE_NAME] -c [COLLECTIONS] --file [FILE_NAME] - import into database and collection from file * mongoexport -d [DATABASE_NEM] -c [COLLECTIONS] --out [FILE_NAME] -
The react-native-document-picker library is a React Native module that allows users to select documents (or files) from their device storage. This can include various types of files, such as images, videos, PDFs, audio files, and other types of documents, depending on the platform (iOS or Android). The primary use case
Git Commands * which git * git --version * vi /etc/gitconfig * vi ~/.gitconfig : user level git config file * vi [PROJECT_PATH]/.git/config : project level git config file * git config --system : system level configuration * git config --global : user level configuration * git config : project level configuration * git config --global user.name "[NAME]
Basic commands * su: login as super user (e.g. root) * pwd: current directory * ls: list files * ls -l: list files with detail info * bunzip2 [FILE_NAME]: decompress file at same location * cp [FILE_1] [FILE_2]: copy file1 to a file called file2 * mv [FILE_1] [FILE_2]: (move) rename
ETL (Extract, Transform, Load) ETL (Extract, Transform, Load) is a fundamental process in databases and data warehousing used to move and process data from one system to another. It consists of three main steps: 1. Extract – Retrieve data from multiple sources (e.g., databases, APIs, files). 2. Transform – Clean, filter,
Firebase Cloud Messaging (FCM) is a service that allows you to send notifications and messages to users across platforms like iOS, Android, and the web.This guide will walk you through how to set up Firebase Push Notifications in a React Native app for Android. Prerequisites * A React Native project
Steps to solve this issue: 1. Android Build Configuration Updates 2. Updates to package.json Dependencies 3. Kotlin Version Update in @react-native/gradle-plugin: Another file that was modified is the patch file for @react-native/gradle-plugin: To know more about this issue