Start a graphical user interface for
tlmgr.tlmgr guidepends on the packageperl-tk, which has to be installed manually. More information: https://www.tug.org/texlive/tlmgr.html.
tlmgr:sudo tlmgr gui
sudo tlmgr gui -background "#f39bc3"
sudo tlmgr gui -foreground "#0ef3bd"
sudo tlmgr gui -font "helvetica 18"
sudo tlmgr gui -geometry widthxheight-xpos+ypos
sudo tlmgr gui -xrm xresource