Comecei com a sugestão de Darshak Parikh .
E percebi que tenho que substituir os links simbólicos (links simbólicos) na pasta /usr/share/icons/<your-icon-theme>/mimes/<your icon size>
. No meu caso <your-icon-theme>
foi o tema padrão do Ubuntu Unity Humanity
e como <your icon size>
acabei de substituir os tamanhos 16
32
48
128
256
.
Aqui está uma parte do código que pode ajudá-lo a fazer o mesmo, Você teria que substituir 16 com 32, 48, 128, 256 para ajustar sua resolução, eu acho. Para ser honesto, eu não tentei apenas substituir a pasta tamanho 16, eu fiz tudo e, em seguida, reiniciei o computador (- eu não sabia qual serviço reiniciar)
wget -O ~/Dowloads/ "http://svgicons.o7a.net/unofficial/OOoBase.svg"
wget -O ~/Dowloads/ "http://svgicons.o7a.net/unofficial/OOoCalc.svg"
wget -O ~/Dowloads/ "http://svgicons.o7a.net/unofficial/OOoDraw.svg"
wget -O ~/Dowloads/ "http://svgicons.o7a.net/unofficial/OOoFormula.svg"
wget -O ~/Dowloads/ "http://svgicons.o7a.net/unofficial/OOoImpress.svg"
wget -O ~/Dowloads/ "http://svgicons.o7a.net/unofficial/OOoWriter.svg"
sudo cp ~/Downloads/OOoBase.svg /usr/share/icons/Humanity/mimes/48/OOoBase.svg
sudo cp ~/Downloads/OOoCalc.svg /usr/share/icons/Humanity/mimes/48/OOoCalc.svg
sudo cp ~/Downloads/OOoDraw.svg /usr/share/icons/Humanity/mimes/48/OOoDraw.svg
sudo cp ~/Downloads/OOoFormula.svg /usr/share/icons/Humanity/mimes/48/OOoFormula.svg
sudo cp ~/Downloads/OOoImpress.svg /usr/share/icons/Humanity/mimes/48/OOoImpress.svg
sudo cp ~/Downloads/OOoWriter.svg /usr/share/icons/Humanity/mimes/48/OOoWriter.svg
sudo cp /usr/share/icons/Humanity/mimes/16/application-vnd.oasis.opendocument.presentation.svg ~/Downloads/presentation-16.svg
sudo rm /usr/share/icons/Humanity/mimes/16/application-vnd.oasis.opendocument.presentation.svg
sudo ln -s /usr/share/icons/Humanity/mimes/48/OOoImpress.svg /usr/share/icons/Humanity/mimes/16/application-vnd.oasis.opendocument.presentation.svg
sudo cp /usr/share/icons/Humanity/mimes/16/application-vnd.oasis.opendocument.spreadsheet.svg ~/Downloads/spreadsheet-16.svg
sudo rm /usr/share/icons/Humanity/mimes/16/application-vnd.oasis.opendocument.spreadsheet.svg
sudo ln -s /usr/share/icons/Humanity/mimes/48/OOoCalc.svg /usr/share/icons/Humanity/mimes/16/application-vnd.oasis.opendocument.spreadsheet.svg
sudo cp /usr/share/icons/Humanity/mimes/16/application-vnd.oasis.opendocument.database.svg ~/Downloads/database-16.svg
sudo rm /usr/share/icons/Humanity/mimes/16/application-vnd.oasis.opendocument.database.svg
sudo ln -s /usr/share/icons/Humanity/mimes/48/OOoBase.svg /usr/share/icons/Humanity/mimes/16/application-vnd.oasis.opendocument.database.svg
sudo cp /usr/share/icons/Humanity/mimes/16/application-vnd.oasis.opendocument.drawing.svg ~/Downloads/drawing-16.svg
sudo rm /usr/share/icons/Humanity/mimes/16/application-vnd.oasis.opendocument.drawing.svg
sudo ln -s /usr/share/icons/Humanity/mimes/48/OOoDraw.svg /usr/share/icons/Humanity/mimes/16/application-vnd.oasis.opendocument.drawing.svg
sudo cp /usr/share/icons/Humanity/mimes/16/application-vnd.oasis.opendocument.formula.svg ~/Downloads/formula-16.svg
sudo rm /usr/share/icons/Humanity/mimes/16/application-vnd.oasis.opendocument.formula.svg
sudo ln -s /usr/share/icons/Humanity/mimes/48/OOoMath.svg /usr/share/icons/Humanity/mimes/16/application-vnd.oasis.opendocument.formula.svg
sudo cp /usr/share/icons/Humanity/mimes/16/application-vnd.oasis.opendocument.text.svg ~/Downloads/text-16.svg
sudo rm /usr/share/icons/Humanity/mimes/16/application-vnd.oasis.opendocument.text.svg
sudo ln -s /usr/share/icons/Humanity/mimes/48/OOoMath.svg /usr/share/icons/Humanity/mimes/16/application-vnd.oasis.opendocument.text.svg