defaults write com.apple.desktopservices DSDontWriteNetworkStores -bool TRUE
defaults write com.apple.desktopservices DSDontWriteNetworkStores -bool FALSE
echo '[default]' | sudo tee -a /etc/nsmb.conf
echo 'dir_cache_off=yes' | sudo tee -a /etc/nsmb.conf
sudo rm /etc/nsmb.conf