What is Alpine Linux? – Definition from WhatIs.com

Alpine Linux is a small, security-oriented, lightweight Linux distribution based on the musl libc library and BusyBox utilities platform instead of GNU. It operates on bare-metal hardware, in a VM or even on a Raspberry Pi. The distribution is noncommercial and evolved for embedded and server-based workloads, although desktop OS use is possible.

The hardened Alpine Linux kernel with an unofficial port of grsecurity patch, with LibreSSL Secure Sockets Layer and OpenRC initialization (init) system, contribute to a secure distribution. An Alpine Linux user will find most things disabled or not installed by default, another security strategy for the OS. Other security features prevent stack buffer overflow and memory corruption for every package.

Features

The Alpine Linux distribution occupies at minimum 130 MB — about 300 MB for the standard size — of storage and can run from diskless or disk installs. It uses the apk package manager, which adds, deletes and repairs packages. While Alpine Linux is general purpose, the base design is sparse without GNU utilities, to maintain a small footprint. The user is expected to choose from thousands of packages and install those that meet the needs of a specific workload. A user can also build a custom and unique package.

Alpine Linux is a popular OS choice to run containers, although it is not geared specifically for that task. The container environment has a small footprint; however, Alpine Linux requires considerable installation effort to get Docker running correctly. The Alpine Linux network connection for container…

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