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Ubuntu

APT Key​

# Add key
sudo apt-add-repository ppa:user/repo
sudo apt update

# Delete key via last 8 bits
sudo apt-key list
sudo apt-key del 73C62A18
sudo apt update

Locale​

export LANG=en_US
xdg-user-dirs-gtk-update
export LANG=zh_CN
  • /var/lib/locales/supported.d/local
sudo locale-gen zh_CN.GBK
sudo locale-gen zh_CN.GB18030
sudo dpkg-reconfigure locales

Fonts​

mkdir -p ~/.local/share/fonts/
cp -fr code-fonts ~/.local/share/fonts/
fc-cache -f -v
fc-list
fc-list : family | sort | uniq