opkg

Opkg is a lightweight package manager and command line tool commonly used in Linux distributions like OpenWrt and Embedded Linux.

1. Opkg stands for Open Package Management System, and it provides a simple way to install, upgrade, and manage software packages on an embedded system.
2. It is designed to work efficiently with limited resources, making it suitable for devices with low memory and storage.
3. Opkg utilizes the .ipk (Itsy Package) format, which contains software metadata and files compressed in a single package.
4. The tool relies on package repositories to retrieve the required packages, resolving dependencies and ensuring proper installation.
5. Opkg supports essential package management operations, such as installing, upgrading, removing, listing installed packages, and verifying package integrity.
6. It also includes features like package caching to speed up subsequent installations and an option to rollback package changes.
7. Opkg is often used in embedded systems, routers, network devices, and other resource-constrained environments where a lean package manager is required.