安装 Typora Markdown 编辑器

https://typora.io/#linux

# optional, but recommended

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys BA300B7755AFCFAE

# add Typora's repository

sudo add-apt-repository 'deb https://typora.io linux/'

sudo apt-get update

# install typora

sudo apt-get install typora