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快速打开终端
ctrl alt t
新建一个txt文件,使用vim编辑后保存退出
touch 1.txt
vim 1.txt
i
input anything
esc
:wq
virtual-box进入共享文件夹
su
cd /media/sf_share
ubuntu 16.04 apt-get 更新使用中科大镜像源
- 备份系统配置
sudo cp /etc/apt/sources.list /etc/apt/source.list.bak - 编辑配置
sudo vi /etc/apt/sources.list
修改内容如下
deb http://mirrors.ustc.edu.cn/ubuntu/ xenial main restricted universe multiverse
deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-security main restricted universe multiverse
deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse
deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse
deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial main restricted universe multiverse
deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-security main restricted universe multiverse
deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse
deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse
deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
- esc :wq 修改完保存,进行更新
sudo apt-get update
删除一个文件夹dir(里面的也都删除)
rm -r dir
打开资源管理器
nautilus path