Installing MySQL 8 in silent mode on Ubuntu ( Without prompting )

install_mysql8_silent.sh

#update and install some dependencies 
sudo apt-get update && apt-get upgrade -y;
sudo apt-get install -y debconf-utils zsh htop libaio1;

#set the root password
DEFAULTPASS="rootpass"

#set some config to avoid prompting
sudo debconf-set-selections <<EOF
mysql-apt-config mysql-apt-config/select-server select mysql-8.0
mysql-community-server mysql-community-server/root-pass password $DEFAULTPASS
mysql-community-server mysql-community-server/re-root-pass password $DEFAULTPASS
EOF

#get the mysql repository via wget
wget --user-agent="Mozilla" -O /tmp/mysql-apt-config_0.8.10-1_all.deb https://dev.mysql.com/get/mysql-apt-config_0.8.10-1_all.deb;

#set debian frontend to not prompt
export DEBIAN_FRONTEND="noninteractive";

#config the package
sudo -E dpkg -i /tmp/mysql-apt-config_0.8.10-1_all.deb;

#update apt to get mysql repository
sudo apt-get update

#install mysql according to previous config
sudo -E apt-get install mysql-server mysql-client --assume-yes --force-yes