https://xangmin.tistory.com/16
https://shanepark.tistory.com/251
https://ubuntuhandbook.org/index.php/2021/05/gnome-tweaks-40-no-longer-manage-extensions/
https://github.com/vinceliuice/WhiteSur-gtk-theme
https://incomeplus.tistory.com/634
https://besolve.net/ko/wwdc-2020-ubuntu-20-04%EB%A5%BC-macos-11-big-sur%EC%B2%98%EB%9F%BC-%EB%B3%B4%EC%9D%B4%EA%B2%8C-%EB%A7%8C%EB%93%9C%EB%8A%94-%EB%B0%A9%EB%B2%95
http://pkgs.loginroot.com/package/dbus-x11
https://besolve.net/ko/wwdc-2020-ubuntu-20-04%EB%A5%BC-macos-11-big-sur%EC%B2%98%EB%9F%BC-%EB%B3%B4%EC%9D%B4%EA%B2%8C-%EB%A7%8C%EB%93%9C%EB%8A%94-%EB%B0%A9%EB%B2%95
https://www.joelotz.com/blog/2021/creating-a-launch-shortcut-for-anaconda-on-ubuntu.html
Sudo apt install
gnome-shell-extension-prefs
gnome-tweaks
gnome-shell-extensions
https://github.com/mjakeman/extension-manager
https://flatpak.org/setup/Ubuntu
sudo apt install flatpak
sudo apt install gnome-software-plugin-flatpak
flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
https://flathub.org/apps/details/com.mattjakeman.ExtensionManager