Oct 6, 2025 · 2 min read · Introduction Day 6 of the 30DaysOfSolidity challenge introduces a fun and practical concept building a digital piggy bank on the blockchain!This contract allows users to deposit and withdraw Ether, helping you understand how to manage balances, handl...
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Aug 9, 2025 · 4 min read · Other Python Data Structure Methods — Tuples, Sets, Dictionaries & Deques “Strings and lists are half the game. Today, we unlock the rest.” 🟡 Why This Day Matters You’ve mastered strings and lists — now it’s time to learn the other core Python data...
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Oct 10, 2024 · 18 min read · The concept of Linux file permission and ownership is important in Linux. Today, we will work on Linux permissions and ownership, and perform tasks related to both. Task 1 : Understanding File Permissions Create a simple file and run ls -ltr to see t...
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Aug 21, 2024 · 7 min read · Introduction to Crontab 📝 Crontab is a command and configuration file in Linux used for scheduling automated tasks. It allows users to define specific times when a script or command should run, whether it's every minute, hour, day, or even just once...
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Jul 11, 2024 · 4 min read · What are AWS AMIs? AMIs are virtual machine templates used to launch Amazon EC2 (Elastic Compute Cloud) instances. They encapsulate the entire software environment of an instance, including: Operating system (OS) - Windows, Linux distributions (Amaz...
Join discussionJul 4, 2024 · 7 min read · Introduction File permissions are crucial in Unix/Linux systems for securing files and directories. They define who can read, write, and execute a file. Let's dive into the world of file permissions! Types of File Permissions In Unix/Linux systems, t...
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Jun 29, 2024 · 3 min read · About cybersecurity tools Open-source tools Open-source tools are often free to use and can be user friendly. The objective of open-source tools is to provide users with software that is built by the public in a collaborative way, which can result in...
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Mar 8, 2024 · 5 min read · Welcome to Day 6 of the #90DaysOfDevOps challenge. Today, we will explore file permissions and Access Control Lists (ACLs). Understanding file permissions is crucial for managing access to files and directories in a Linux system, ensuring security an...
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Feb 22, 2024 · 2 min read · In Unix and Linux ecosystems, file permissions and access control lists (ACLs) play a fundamental role. It restrict to who can access, modify, or execute files and directories. ⏯ Create a simple file ✓ "ls -ltr" to see the details of the files The ...
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Feb 20, 2024 · 4 min read · Task1 : Create a simple file and do ls -ltr to see the details of the files refer to Notes To complete the task, we'll follow these steps: Create a simple file named file.txt. Use ls -ltr to view the details of the file, including its permissions. ...
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