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FetchLinux on CentOS: Key Resources & Configuration Guide

FetchLinux is a tool designed for automating software package building, management, and distribution on CentOS systems. Below are essential resources and step-by-step instructions to help you install, configure, and use FetchLinux effectively.

1. Official Documentation & GitHub Repository

The primary resource for FetchLinux is its official GitHub repository, which contains the latest source code, installation scripts, configuration templates, and usage guides. You can clone the repository to access all project files:

git clone https://github.com/fetchlinux/fetchlinux.git /opt/fetchlinux

Refer to the repository’s README.md or documentation folder for version-specific instructions and feature details.

2. Installation Prerequisites

Before installing FetchLinux, ensure your CentOS system meets the following requirements:

• Dependencies: Install core tools for cloning repositories, Python (for configuration), and package management:

  sudo yum update -y && sudo yum install -y git wget curl python3 python3-pip
  

• EPEL Repository (Optional): Some dependencies may require the Extra Packages for Enterprise Linux (EPEL) repository. Enable it using:

  sudo yum install epel-release -y
  

3. Installation Steps

FetchLinux can be installed via two common methods:

A. From GitHub (Recommended for Latest Version)

1. Clone the repository to /opt/fetchlinux:

   git clone https://github.com/fetchlinux/fetchlinux.git /opt/fetchlinux
   

2. Navigate to the directory and create a configuration file from the example:

   cd /opt/fetchlinux
   sudo cp fetchlinux.conf.example fetchlinux.conf
   

3. Modify fetchlinux.conf to customize settings (e.g., repository URL, mirror name, update frequency). Use a text editor like nano:

   sudo nano fetchlinux.conf
   

   Example configuration:

   REPOSITORY_URL="http://your-mirror-url/fetchlinux"
   MIRROR_NAME="YourMirrorName"
   UPDATE_FREQUENCY="daily"
   

B. Using pip (For Python-Based Installation)

1. Clone the repository:

   git clone https://github.com/fetchlinux/fetch.git
   cd fetch
   

2. Install FetchLinux using pip3:

   pip3 install .
   

This method installs FetchLinux as a Python package, making it easier to manage via pip.

4. Configuration & Setup

After installation, complete the following steps to configure FetchLinux:

A. Create a Dedicated User

For security, create a dedicated fetchlinux user and group to run the service:

sudo groupadd fetchlinux
sudo useradd -r -g fetchlinux fetchlinux

B. Set Ownership & Permissions

Change the ownership of the FetchLinux directory to the new user:

sudo chown -R fetchlinux:fetchlinux /opt/fetchlinux

C. Enable & Start the Service

Configure FetchLinux to start automatically on boot and launch the service:

sudo systemctl enable fetchlinux
sudo systemctl start fetchlinux

D. Verify Installation

Check the installed version to confirm successful setup:

fetchlinux --version

5. Usage Examples

FetchLinux supports three core operations: building, configuring, and publishing packages.

A. Build a Single Package

Use the fetch build command to compile a package defined in your configuration file:

fetch build example-package

B. Build All Packages

To build every package listed in your configuration:

fetch build all

C. Publish Packages

Publish built packages to a target platform (e.g., RPM). Update your config.yaml with distribution details (e.g., CentOS 7, x86_64), then run:

fetch publish example-package

Ensure your config.yaml includes valid repository and release information.

6. Additional Resources

• Official Documentation: The GitHub repository’s documentation provides detailed explanations of configuration options and advanced usage.
• Community Support: Check forums like Stack Overflow or Reddit for troubleshooting tips (search for “FetchLinux CentOS”).
• Configuration Templates: The fetchlinux.conf.example file in the repository includes sample settings for common scenarios (e.g., daily updates, custom mirrors).

By following these steps and leveraging the official resources, you can effectively install and use FetchLinux to automate package management on your CentOS system. Always refer to the latest repository updates for compatibility with newer CentOS versions.