Configuration, enhance the recording experience of
Downloading the video decoder allows the system to play video:
sudo apt-get install ubuntu-restricted-extras
Use unity-tweak-tool for the desktop beautification:
https://blog.csdn.net/qq_36561697/article/details/80770265
#------安装unity-tweak-tool----------
sudo apt update
sudo apt install unity-tweak-tool
# ----- -------------------- install flat theme
sudo add-apt-repository ppa:noobslab/themes
sudo apt update
sudo apt install flatabulous-theme
# ----- mounting supporting the flat icon ---------------
the sudo the Add-APT-Repository PPA: noobslab / iconsThe
sudo apt update
sudo apt install ultra-flat-icons