install qt5 debian code example
Example: debian full install qt5
apt install --reinstall qt5-default qttools5* pyqt5-dev-tools libqt5* python3-pyqt qt5-* qtbase5-* qtcreator build-essential\
qtdeclarative5* libqt5webkit5* mesa-common-* libglu1-mesa-*
apt install `apt-cache search 5-examples | grep qt | grep example | awk '{print $1 }' | xargs `
apt install `apt-cache search 5-doc | grep -i "qt 5 " | awk '{print $1}' | xargs`
apt install `apt-cache search qt | grep 5- | grep ^qt | awk '{print $1}' | xargs `
apt install build-essential qtcreator qt5-default