Ubuntu Desktop 23.04 Lunar Lobster install

OS Installation

Language and keyboard layout selection

Isard (admin or manager roles)

Modify desktop XML

<driver name="qemu" type="qcow2" cache="unsafe" discard="unmap"/>

Configuration

Terminal

Basic commands

$ sudo apt update
$ sudo apt upgrade -y
$ sudo apt install vim gedit vlc net-tools htop curl wget spice-vdagent qemu-guest-agent

Modify fstab

$ sudo vim /etc/fstab
for every "ext4" storage, define "noatime,discard"

UUID=xxxxx-xxxxx-xxxxxx /               ext4    defaults,noatime,discard,errors=remount-ro 0       1

Free up system space

$ cd /
$ sudo fstrim -a -v 

Reduce swap memory

$ sudo sysctl vm.swappiness=1

Reduce log storage

$ sudo vim /etc/systemd/journald.conf
SystemMaxUse=20M
SystemKeepFree=4G

Disable automatic updates and new update notifications

$ sudo apt purge update-manager update-notifier*
$ sudo vim /etc/apt/apt.conf.d/50unattended-upgrades
Unattended-Upgrade::DevRelease "false";
$ sudo vim /etc/update-manager/release-upgrades
Prompt=never
$ sudo snap refresh --hold 
$ sudo snap set system refresh.retain=3

Settings

Privacy - Screen

Sharing - Remote Desktop

The RDP activation is also applied.

About - Software Updates

Customization

Background

Users