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Ubuntu

From Wikiversity

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

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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 [1].

Installation help

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Mayor changes/ Versions

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Ubuntu 18.04 LTS (BionicBeaver):

  • chrony replace ntpd as the recommended server for the NTP protocol.[2]
  • Some application delivered by default as snaps[3]snap search canonical, such as Docker, Kubernetes, microk8s, aws-kernel or azure-kernel

Ubuntu 16.04 LTS:

  • netplan[4] for network configuration
  • Ceph and ZFS filesystems supported
  • Snap packages

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

Official Support

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Canonical provides official support for Ubuntu

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Activities

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  1. Install applications using snaps
  2. Check your Ubuntu version: lsb_release -a
  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; sudo update-alternatives --config editor[5]

Maintenance

  1. Update your Ubuntu version: sudo apt update && apt upgrade -y

See also

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References

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