在子系统Ubuntu20.04上安装桌面环境
1. 更换软件源
由于Ubuntu默认的软件源在国外,有时候后可能会造成下载软件卡顿,这里我们更换为国内的阿里云源,其他国内源亦可。
双击打开Ubuntu20.04 LTS图标,在命令行中输入
# 备份原来的软件源
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
# 编辑软件源
sudo nano /etc/apt/sources.list
将原来的内容替换为
deb http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse
deb-src http://mirrors.