Dimas Maulana

Dimas Maulana

Developer

Welcome to my website! I am a developer with a current focus on React and Go. My experience encompasses both front-end and back-end development, enabling me to design and develop seamless and efficient applications.

Understanding the Difference Between Bug and Defect

In software development, the terms “bug” and “defect” are often used interchangeably, but they have distinct meanings that can impact how issues are categorized and addressed. To clarify the difference, let’s explore each term and provide examples for better comprehension.

Bug

A bug is a problem or issue in a software application that occurs as a result of a coding error. It represents an unintended behavior that arises from mistakes made during the implementation phase of development. Bugs can manifest as crashes, data corruption, unexpected behaviors, or any issue where the software does not perform as intended due to a coding mistake.

Removing Git History Commit

If you want to remove Git commit history and start fresh with a new branch while keeping your current files, you can follow these steps:

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1. **Create a New Orphan Branch:**

   ```shell
   git checkout --orphan newBranch

This creates a new branch called newBranch with no commit history.

  1. Add and Commit Your Current Files:

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    git add -A  # Add all files and changes
    git commit -m "Initial commit"

    This stages and commits all your current files to the new branch.

Creating an L2TP Over IPSec VPN

I’m unable to access external websites or specific URLs, including the one you provided. However, I can certainly help you create a markdown article explaining how to set up L2TP over IPSec and how to port forward the necessary ports. Here’s a guide on how to do it:

Creating an L2TP over IPSec VPN

In this guide, we will walk you through the process of setting up your own L2TP (Layer 2 Tunneling Protocol) VPN over IPSec (Internet Protocol Security). This will allow you to establish a secure connection to your home network or server from a remote location.

GPG Key Import to Another PC

We have provided a set of commands for working with GPG keys, encrypting and decrypting files, and extracting tar archives. These commands are useful for various tasks related to data security and file management. Here’s a breakdown of each command with a brief explanation:

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scp example-backup-enc-privkey.asc [email protected]:~/
gpg --import example-backup-enc-privkey.asc
gpg --edit-key [email protected]

> trust
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quit
  • The scp command is used to securely copy the GPG private key file (example-backup-enc-privkey.asc) to another PC with the specified IP address and destination folder (~ denotes the user’s home directory).

SSH Through a Router Without Port Forwarding

If you want to establish an SSH connection to your “linux server” from the outside without configuring port forwarding on your router, you can use SSH remote port forwarding. This technique allows you to connect to an external server (let’s call it “my_other_server”) and have it forward traffic back to your “linux server.” Here’s how you can do it:

  1. SSH from linux_server to my_other_server:

    Open a terminal on your “linux server” and use the following command to initiate an SSH connection to “my_other_server,” specifying remote port forwarding:

Configure Postfix to Use Gmail as a Mail Relay

If you have a Gmail account, you can configure your Mail Transfer Agent (MTA) to relay outgoing mail through Gmail. This provides you with the reliability and infrastructure of Gmail for sending emails from the command line. In this tutorial, we’ll use Postfix as our MTA, which is a secure and open-source mail transfer agent. We’ll cover instructions for various operating systems.

Configure Postfix to use Gmail as a Mail Relay

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