sudo apt install texlive-full
sudo apt install texlive-latex-base texlive-latex-extra
sudo apt install texlive-bibtex-extrarebuild the tex data base
sudo texhashhttps://linuxconfig.org/how-to-install-latex-on-ubuntu-18-04-bionic-beaver-linux
sudo apt install texlive-full
sudo apt install texlive-latex-base texlive-latex-extra
sudo apt install texlive-bibtex-extrarebuild the tex data base
sudo texhashhttps://linuxconfig.org/how-to-install-latex-on-ubuntu-18-04-bionic-beaver-linux