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🎯 Overview

PackJ is the official package manager for OpenTTY, providing a streamlined way to installsoftware packages directly within the OpenTTY environment. It features a repository system with various J2ME applications and utilities.

🔧 Core Components

📋 Package Configuration ([ Config ] section)

Basic Information:

• Name: PackJ
• Version: 1.4 (on 1.16.x LTS) and 1.5 (on 1.17)
• Description: OpenTTY Package Manager

Dependencies:

• Includes /lib/settings settings manager

Configuration:

• Automatically sets repository to opentty.xyz:31522 if not configured
• Provides commands: yang and setrepo

🖥️ User Interface

Repository Browser:

• Interactive list interface with title "Repository"
• One-click installation via "Install" button
• Organized package catalog with 20+ available applications

🎮 Available Commands

🚀 Primary Commands

Command	Description
yang	Opens package repository browser
setrepo	Configure OpenTTY server IP address

🔧 Shell Commands

Command	Description
yang chkrun	Check for running instances
yang info	Display version information

📦 Available Packages

🤖 Android ME

• Command: Installs /bin/droid and /bin/forge
• Description: Android API for debugging on J2ME Loader

🛡️ Armitage

• Command: Installs /bin/armitage
• Description: Network security and penetration testing tools

🧹 Auto Clean

• Command: Installs /lib/autogc
• Description: Automatic garbage collection utility

↩️ Back Previous

• Command: Installs /lib/bprevious
• Description: Easy go back to the previous screen with command back

📦 BoxME

• Command: Installs /bin/boxme
• Description: Mini virtual machines on J2ME environment

🎮 CMatrix

• Command: Installs /bin/cmatrix
• Description: Terminal matrix-style animation

🌐 Discord (MIDlet)

• Command: Downloads J2ME Discord client
• Author: gtrxac
• Warning: Third-party application

🔨 Forge

• Command: Installs /bin/forge
• Description: Development and build tools

💻 Github (MIDlet)

• Command: Downloads GitHub client for J2ME
• Author: shinovon
• Warning: Third-party application

🔍 GoBuster (Word list)

• Command: Installs /home/gobuster
• Description: Default word-list for OpenTTY gobuster

🐚 ImmersiveShell

• Command: Installs /lib/sh2me
• Description: Enhanced shell experience

🐧 JBuntu

• Command: Installs /bin/jbuntu
• Description: Ubuntu-like environment emulation

📊 JBenchmark

• Command: Installs /bin/jdb
• Description: Performance testing and debugging tools

📱 J2ME Loader

• Command: Installs /bin/modme
• Description: Alt Interface for J2ME Loader

🎨 MobiX UI

• Command: Installs /bin/mxos
• Description: Mobile-optimized user interface

📋 PasteBin

• Command: Installs /bin/pastebin
• Description: Code and text sharing utility

✏️ StringEditor

• Command: Installs /bin/sed
• Description: Edit files with commands (Required to use sed in OpenTTY)

🛠️ SmartME SDK

• Command: Installs /bin/sdk and /bin/forge
• Description: Development kit for J2ME applications (Lua focused)

🔄 Updater

• Command: Installs /bin/sync
• Description: System and package update manager

🔀 ViaVersion

• Command: Installs /lib/viaversion
• Description: Protocol version compatibility layer (Incompatibilities between <1.16.x and 1.17>)

🌐 WebProxy

• Command: Installs /bin/shprxy
• Description: WebProxy client

⚙️ Installation Process

🔄 Download Mechanism

• Uses OpenTTY's query command over socket connection
• Downloads packages from socket://$REPO get/lib/$RESOURCE
• Stores packages in appropriate directories (/bin/ and /lib/)

🔒 Security Features

• Root Privileges: Installation requires sudo permissions
• Instance Locking: Prevents multiple simultaneous installations
• Third-party Warnings: Alerts users about external applications

🔄 Update System

• Self-updating capability via yang update
• Maintains repository index separately
• Preserves user configuration during updates

💡 Usage Examples

🔍 Browse Packages

yang

🔧 Configure Repository

setrepo

ℹ️ Check Version

yang info

🎯 Key Features

• ✅ One-click Installation: Simple interface for package management
• ✅ Dependency Handling: Automatic inclusion of required components
• ✅ Repository Management: Configurable package sources
• ✅ Update System: Self-updating package manager
• ✅ Security: Privilege separation and instance locking

PackJ provides a comprehensive package management solution tailored for the OpenTTY environment, making software installation and management accessible even on resource-constrained J2ME devices.