ubuntu system upgrade code example

Example 1: how upgrade the thins upgradable in ubuntu

echo "sudo apt update && sudo apt -y upgrade && sudo apt -y dist-upgrade && sudo apt -y autoremove && sudo apt autoclean" > update && sudo mv update /usr/local/bin/update && sudo chmod +x /usr/local/bin/update

Example 2: update software in ubuntu

# Upgrades all applications
sudo apt-get upgrade

Example 3: ubuntu update

sudo -s -- <<EOF
apt-get update
apt-get upgrade -y
apt-get dist-upgrade -y
apt-get autoremove -y
apt-get autoclean -y
EOF

Example 4: ubuntu update

sudo -- sh -c 'apt-get update; apt-get upgrade -y; apt-get dist-upgrade -y; apt-get autoremove -y; apt-get autoclean -y'

Example 5: upgrade ubuntu

sudo apt update && sudo apt upgrade -y
#or use it seperately
sudo apt update
sudo apt upgrade
#you make wanna run below command to remove unwanted
#and free up some space
sudo apt autoremove