Ubuntu下安装tensorflow，conda权限问题教程

问题1：Anaconda的使用权限

$ conda update conda
Solving environment: failed

NotWritableError: The current user does not have write permissions to a required path.
path: /path/to/custom/dir/pkgs/urls.txt
uid: 1000
gid: 1000

使用如下命令：sudo chown -R user anaconda3