一个快速在线记事本，Minimalist Web Notepad
用于临时记录与传输文本很方便，示例如下
Ubuntu 19 安装配置
更新国内源
cd /etc/apt/
sudo cp -p sources.list sources.list.bak
sudo vi sources.listLIUGUOFENG THE DARKEST HOUR IS THAT BEFORE THE DAWN
更新国内源
cd /etc/apt/
sudo cp -p sources.list sources.list.bak
sudo vi sources.list