Update + Upgrade sudo apt-get update && sudo apt-get upgrade
Show Network Configuration sudo ifconfig
Check Kernal Version sudo uname -a
Installations sudo apt-get install git build-essential dkms ssh curl bash
Installations sudo apt-get install snapd audacity keepass2 kodi vlc clipit
Visual Studio Code sudo snap install code --classic
SMPlayer sudo apt-get install smplayer smtube smplayer-themes
Network Tools sudo apt-get install nmap iperf iperf3 zenmap linssid net-tools cifs-utils samba
Network Tools 2 sudo apt-get install gufw
Chrome Gnome Shell Extensions sudo apt-get install chrome-gnome-shell
Gnome Tweaks sudo apt-get install gnome-tweaks
Extra Codecs & Fonts sudo apt update && sudo apt install ubuntu-restricted-extras
 
Gnome wont start / No GUI
Ctrl+Alt+F2 on startup
sudo nano /etc/gdm3/custom.conf
un-commenting #WaylandEnable=false to disable wayland.
 
Ubuntu 18.04LTS to 19.10 sudo apt update && sudo apt dist-upgrade
sudo apt-get install update-manager-core -y
sudo nano /etc/update-manager/release-upgrades
Prompt=normal
sudo sed -i 's/bionic/eoan/g' /etc/apt/sources.list
sudo apt-get update && sudo apt-get upgrade
sudo apt-get dist-upgrade
sudo apt-get update
sudo apt-get dist-upgrade
sudo apt-get autoremove && sudo apt-get clean
 
Ubuntu 18.04LTS to 20.04 LTS sudo apt update && sudo apt-get upgrade -y
sudo reboot
sudo apt-get install update-manager-core -y
sudo do-release-upgrade

Update Kernal 5.0.0 to 5.3.0 sudo apt-get upgrade linux-generic
Update Kernal 4.15 to 5.3.0 sudo apt install --install-recommends linux-generic-hwe-18.04 xserver-xorg-hwe-18.04