Ubuntu gedit报错Gtk-WARNING **: cannot open display: 问题解决

更新源过程中sudo gedit  /etc/apt/sources.list  出错

sudo cp /etc/apt/sources.list /etc/apt/sources.list_backup

sudo nano /etc/apt/sources.list

阿里源

sudo sed -i "s@http://.*archive.ubuntu.com@https://mirrors.aliyun.com/@g" /etc/apt/sources.list
sudo sed -i "s@http://.*security.ubuntu.com@https://mirrors.aliyun.com/@g" /etc/apt/sources.list

sudo apt-get update