GNU/Linux Alpine Updating System Guide
Hi! The Tutorial shows you Step-by-Step How to Update Packages & System in Alpine GNU/Linux.
And here I explain How to Update Alpine Linux easily on Shell.

1. Enabling Repo
Enable Community Repo for Alpine GNU/Linux
2. Updating System
Then to Update System in Alpine Linux
First, Update the Repository with:Upgrading Alpine Package Manager:Copyapk update
And then to Upgrade All the Packages play:Copyapk add --upgrade apk-tools
Last, in case of Kernel Update, to Load the New Setup Reboot with:Copyapk upgrade --available
Copyreboot
So Now I am truly Happy if My Guide could Help you to Update Alpine Linux!