How to install missing packages of Latex under linux

1. Download the missing package from Internet.
2. Extract it somewhere
3. Look for a file that has .ins format.
4. Run a command
   

   latex file_name.ins

   It will generate files with .sty format.
5. Create a new folder with appropriate package name e.g., curves. Copy .sty to /usr/share/texlive/texmf-dist/tex/latex/new_folder/
6. Run

7. texhash

   
   for reloading latex cache.