I had been using the native Debian texlive on Mint Linux for a time, with Texmaker.
Now I installed the "vanilla" texlive, in order to have a better package control with
tlmgr. However, I believe I have to do something on Texmaker, or perhaps somewhere else, in order to recognize the new installation, because it isn't finding the new packages I just installed.
For example, after successfully running
tlmgr install mathdesign, Texmaker (running
pdflatex) will output:
! LaTeX Error: File `mathdesign.sty' not found.