Installation of TeX Live on Ubuntu 16.04.
1. Open linux terminal
2. Download package via repository ppa "jonathonf"
sudo add-apt-repository ppa:jonathonf/texlive3. Update package
sudo apt-get update4. Install texlive first
sudo apt-get install texlive-full5. Install texstudio
sudo apt-get install texstudioUninstall texlive using purge command
sudo apt install ppa-purge && sudo ppa-purge ppa:jonathonf/texliveInstallation & uninstall of TexStudio
sudo apt-get install texstudiosudo apt-get purge texstudio*Rangsiman Ketkaew