docs: update README.md

Updated the English README.md based on the latest version of the Simplified Chinese README.md document.
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README.md
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<h1 align="center">
<br>ShellCrash<br>
</h1>
<h1 align="center">ShellCrash</h1>
<p align="center">
<a target="_blank" href="https://github.com/MetaCubeX/mihomo/releases">
<a target="_blank" href="https://github.com/MetaCubeX/mihomo/releases">
<img src="https://img.shields.io/github/release/MetaCubeX/mihomo.svg?style=flat-square&label=Core">
</a>
<a target="_blank" href="https://github.com/juewuy/ShellCrash/releases">
@@ -12,182 +9,170 @@
</a>
</p>
[中文](README_CN.md) | English
<p align="center">
<strong>A powerful script tool for the convenient deployment and management of mihomo/sing-box kernels in Shell environments.</strong>
</p>
<p align="center">
<a href="README_CN.md">简体中文</a> | English
</p>
---
## Overview
## :rocket: Core Features
ShellCrash is a lightweight Shell-based management script that enables convenient use of the **Mihomo / Sing-box** core across a wide range of Linux-based systems.
- **Multi-Kernel Support**: Easily manage and switch between **mihomo** and **sing-box** kernels directly within the Shell environment.
- **Flexible Configuration Management**: Supports online import of subscription links and configuration files to simplify the setup process.
- **Automated Tasks**: Configure scheduled tasks for automatic updates of configuration files and rules.
- **Graphical Dashboard**: Support for online installation and use of local Web Dashboards to intuitively manage built-in rules and traffic.
- **Multiple Operation Modes**: Supports switching between various traffic forwarding modes, including Router mode and Local mode.
- **One-Click Maintenance**: Built-in online update functionality to keep the script and features up to date.
Key features include:
## :computer: Device Support
- Run and manage Mihomo / Sing-box directly from a Shell environment
- Fully Shell-based management with minimal dependencies
- Import subscription links and configuration URLs online
- Schedule automated tasks, including periodic configuration updates
- Install and manage built-in rules via a local web control panel
- Switch seamlessly between multiple operating modes (e.g. router mode, local mode)
- Support in-place online updates
ShellCrash is designed to be compatible with the vast majority of network devices based on the Linux kernel:
## Supported Platforms
* **Router Devices**: Supports various firmwares based on OpenWrt or its derivatives.
* **Linux Servers**: Supports devices running standard Linux distributions (e.g., Debian, CentOS, Armbian, Ubuntu, etc.).
* **Third-Party Firmware**: Compatible with Padavan (Conservative Mode), Pandora, and ASUS/Merlin firmware.
* **Customized Devices**: Compatible with other specialized network devices developed using the Linux kernel.
ShellCrash is designed to work across a broad range of Linux-based devices, including:
> For additional device support, please submit an [Issue](https://github.com/juewuy/ShellCrash/issues) or provide feedback in the [Telegram Group](https://t.me/ShellClash) (please include the device model and the output of the `uname -a` command).
- Routers based on **OpenWrt** or OpenWrt-derived custom firmware
- Standard Linux distributions such as **Debian**, **CentOS**, **Armbian**, and similar
- **Padavan** firmware (conservative mode), **Pandora** firmware, and **ASUS / Merlin** firmware
- Other embedded or customised systems built on the Linux kernel
---
> If your device is not listed above, please open an issue or provide feedback in the Telegram group. When reporting, include the device model and the output of `uname -a`.
## :hammer_and_wrench: Installation Guide
## Frequently Asked Questions
- [ShellCrash FAQ | Juewuy's Blog](https://juewuy.github.io/chang-jian-wen-ti/)
## Getting Started
> [!TIP]
> If you encounter connection failures or SSL-related issues, please try switching to an alternative installation mirror.
### Prerequisites
1. Ensure the device has **SSH** enabled and **Root privileges** obtained (Linux systems with a GUI can use the terminal directly).
2. Connect to the device using an SSH tool (such as PuTTY, JuiceSSH, or the system's built-in terminal).
- SSH access must be enabled on the target device
- Root privileges are required (Linux systems with a desktop environment may use the built-in terminal)
### :penguin: Standard Linux Device Installation
Use an SSH client such as **PuTTY**, **JuiceSSH**, or the system terminal to connect to your router or Linux host.
### Installation
Follow the instructions below according to your device type. Execute the commands in an SSH session and follow the on-screen prompts to complete installation.
> **Note**
> If you encounter connection failures or SSL-related errors, try switching to a different installation mirror.
#### Standard Linux Distributions
> [!IMPORTANT]
> Please perform the installation as the root user.
> Install via wget (jsDelivr CDN source)
```sh
sudo -i # Switch to root user (enter password if prompted)
export url='https://testingcf.jsdelivr.net/gh/juewuy/ShellCrash@master' \
export url='[https://testingcf.jsdelivr.net/gh/juewuy/ShellCrash@master](https://testingcf.jsdelivr.net/gh/juewuy/ShellCrash@master)' \
&& wget -q --no-check-certificate -O /tmp/install.sh $url/install.sh \
&& bash /tmp/install.sh \
&& . /etc/profile &> /dev/null
```
Alternative mirror:
> Or install via curl (Author's private source)
```sh
sudo -i
export url='https://gh.jwsc.eu.org/master' \
export url='[https://gh.jwsc.eu.org/master](https://gh.jwsc.eu.org/master)' \
&& bash -c "$(curl -kfsSl $url/install.sh)" \
&& . /etc/profile &> /dev/null
```
#### Router Devices (curl)
### :satellite: Router Device Installation
**Installation via `curl`:**
> GitHub Source (Recommended for overseas environments or environments with proxy access)
```sh
# GitHub source (may require a proxy)
export url='https://raw.githubusercontent.com/juewuy/ShellCrash/master' \
export url='[https://raw.githubusercontent.com/juewuy/ShellCrash/master](https://raw.githubusercontent.com/juewuy/ShellCrash/master)' \
&& sh -c "$(curl -kfsSl $url/install.sh)" \
&& . /etc/profile &> /dev/null
```
Alternative mirrors:
> Or jsDelivr CDN source
```sh
# jsDelivr CDN
export url='https://testingcf.jsdelivr.net/gh/juewuy/ShellCrash@master' \
export url='[https://testingcf.jsdelivr.net/gh/juewuy/ShellCrash@master](https://testingcf.jsdelivr.net/gh/juewuy/ShellCrash@master)' \
&& sh -c "$(curl -kfsSl $url/install.sh)" \
&& . /etc/profile &> /dev/null
```
> Or Author's private source
```sh
# Author's private mirror
export url='https://gh.jwsc.eu.org/master' \
export url='[https://gh.jwsc.eu.org/master](https://gh.jwsc.eu.org/master)' \
&& sh -c "$(curl -kfsSl $url/install.sh)" \
&& . /etc/profile &> /dev/null
```
#### Router Devices (wget)
**Installation via `wget`:**
> GitHub Source (Recommended for overseas environments or environments with proxy access)
```sh
# GitHub source (may require a proxy)
export url='https://raw.githubusercontent.com/juewuy/ShellCrash/master' \
export url='[https://raw.githubusercontent.com/juewuy/ShellCrash/master](https://raw.githubusercontent.com/juewuy/ShellCrash/master)' \
&& wget -q --no-check-certificate -O /tmp/install.sh $url/install.sh \
&& sh /tmp/install.sh \
&& . /etc/profile &> /dev/null
```
Alternative mirror:
> Or jsDelivr CDN source
```sh
# jsDelivr CDN
export url='https://testingcf.jsdelivr.net/gh/juewuy/ShellCrash@master' \
export url='[https://testingcf.jsdelivr.net/gh/juewuy/ShellCrash@master](https://testingcf.jsdelivr.net/gh/juewuy/ShellCrash@master)' \
&& wget -q --no-check-certificate -O /tmp/install.sh $url/install.sh \
&& sh /tmp/install.sh \
&& . /etc/profile &> /dev/null
```
#### Legacy Devices (older wget versions)
### :pager: Installation for Legacy Devices with Older `wget` Versions
> Author's private HTTP beta source
```sh
# HTTP mirror for legacy environments
export url='http://t.jwsc.eu.org' \
export url='[http://t.jwsc.eu.org](http://t.jwsc.eu.org)' \
&& wget -q -O /tmp/install.sh $url/install.sh \
&& sh /tmp/install.sh \
&& . /etc/profile &> /dev/null
```
#### Virtual Machines
For virtual machine deployments, using an **Alpine Linux** image is strongly recommended.
### :cloud: Virtual Machines
- **Alpine Linux VM**: It is highly recommended to use an Alpine image for optimal compatibility.
```sh
# Install required dependencies
# Install necessary dependencies
apk add --no-cache wget openrc ca-certificates tzdata nftables iproute2 dcron
# Run the installer
export url='https://testingcf.jsdelivr.net/gh/juewuy/ShellCrash@master' \
# Execute installation command
export url='[https://testingcf.jsdelivr.net/gh/juewuy/ShellCrash@master](https://testingcf.jsdelivr.net/gh/juewuy/ShellCrash@master)' \
&& wget -q --no-check-certificate -O /tmp/install.sh $url/install.sh \
&& sh /tmp/install.sh \
&& . /etc/profile &> /dev/null
```
#### Docker
### :whale: Docker
An official Docker image is available:
Please visit the official Docker image:
- [ShellCrash on Docker Hub](https://hub.docker.com/r/juewuy/shellcrash)
### Local Installation
If online installation is not possible, please refer to the following guide for offline or local installation:
### :package: Local Installation
- [Local ShellCrash Installation Guide | Juewuy's Blog](https://juewuy.github.io/bdaz)
If online installation is not possible, please follow the guide for local installation:
## Usage
- [Local ShellCrash Installation Tutorial | Juewuy's Blog](https://juewuy.github.io/bdaz)
After installation, the management script can be accessed using the following commands:
---
```sh
crash # Enter interactive mode
crash -h # Display help information
## :book: Usage Instructions
After installation, enter the following commands in the terminal to launch the management interface:
```shell
crash # Launch the interactive script menu
crash -h # View the list of command help
```
## Runtime Dependencies
### Running Dependencies
| Component | Necessity | Description |
| :--- | :--- | :--- |
| curl / wget | Mandatory | Required for node saving, online installation, and update operations. |
| iptables / nftables | Critical | Without these, the script can only run in Pure Mode. |
| crontab | Low | Required for scheduled tasks; otherwise, they will not function. |
| net-tools | Very Low | Used for automatic port occupancy detection. |
| ubus / iproute-doc | Very Low | Used for automatically obtaining the local Host address. |
Most systems already include the majority of the following dependencies. Missing low-priority components can usually be ignored if functionality is unaffected.
| Dependency | Priority | Notes |
|---|---|---|
| curl / wget | Required | Needed for installation, updates, and node persistence |
| iptables / nftables | Important | Without these, only clean mode is available |
| crontab | Low | Required for scheduled tasks |
| net-tools | Very low | Used for detecting port usage |
| ubus / iproute-doc | Very low | Used to obtain the local host address |
## Changelog
- [Release History](https://github.com/juewuy/ShellCrash/releases)
## Community
- [Telegram Discussion Group](https://t.me/ShellClash)
---
## :link: Related Links
- FAQ: [Juewuy's Blog](https://juewuy.github.io/chang-jian-wen-ti/)
- Changelog: [Release History](https://github.com/juewuy/ShellCrash/releases)
- Discussion: [Telegram Group](https://t.me/ShellClash)