Ubuntu

Ubuntu is a Linux distribution based on Debian GNU/Linux. There are Live CD versions which allow later installation and versions meant only for installations.

Getting Ubuntu
Download an ISO file from https://ubuntu.com/download and burn to CD or install to USB key with unetbootin, if you plan to install it on a server there are two installer versions Ubuntu Server and Ubuntu Server Live.

Installation help

 * Step by Step installation of Ubuntu.
 * Community Documentation
 * playing proprietary formats
 * /Automatic Updates/ https://help.ubuntu.com/lts/serverguide/automatic-updates.html

Mayor changes/ Versions
Ubuntu 18.04 LTS (BionicBeaver):
 * chrony replace ntpd as the recommended server for the NTP protocol.
 * Some application delivered by default as snaps, such as Docker, Kubernetes, microk8s, aws-kernel or azure-kernel

Ubuntu 16.04 LTS:
 * /netplan/ for network configuration
 * Ceph and ZFS filesystems supported
 * Snap packages

You can also visit Ubuntu_version_history or https://wiki.ubuntu.com/Releases for a detailed list of versions and changes

Official Support
Canonical provides official support for Ubuntu

Activities

 * 1) Install applications using snaps
 * 2) Check your Ubuntu version:
 * 3) Learn about Ubuntu releases cycle policies: https://ubuntu.com/about/release-cycle
 * 4) Read # Learn about Ubuntu releases cycle policies: Linux_server_administration/apt/Automatic_updates

Configuration
 * 1) Change your default editor;

Maintenance
 * 1) Update your Ubuntu version: