ubuntu安装typora

optional, but recommended

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

add Typora's repository

添加

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

删除

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

sudo apt-get update

install typora

sudo apt-get install typora