单位: 秒(0代表从不)
gsettings set org.gnome.desktop.session idle-delay 900
gsettings set org.gnome.desktop.screensaver lock-delay 0# 需要确保lock-enabled为truegsettings set org.gnome.desktop.screensaver lock-enabled true
gsettings set org.gnome.desktop.screensaver lock-delay 0
# 需要确保lock-enabled为true
gsettings set org.gnome.desktop.screensaver lock-enabled true