linux我慢慢学的起来

lsb_release -a 查看版本
top 查看资源占用
~/.local/share/Trash 回收站
ln -s 目标文件夹 位置 创建软连接
centos firewall https://www.cnblogs.com/moxiaoan/p/5683743.html

tar https://www.cnblogs.com/newcaoguo/p/5896975.html
wget https://www.cnblogs.com/semonxv/p/3816366.html

安装 sudo apt-get install python-pip python-dev build-essential
sudo pip install --upgrade pip
sudo pip install --upgrade virtualenv
更换pip源 https://www.cnblogs.com/lgh344902118/p/7307723.html