小编Sha*_*fin的帖子

~$ conda update conda
Solving environment: done

## Package Plan ##

  environment location: /home/david/anaconda3

  added / updated specs: 
    - conda


The following packages will be UPDATED:

    conda: 4.4.10-py36_0 --> 4.4.11-py36_0

Proceed ([y]/n)? y

Preparing transaction: done
Verifying transaction: done
Executing transaction: failed
ERROR conda.core.link:_execute(481): An error occurred while uninstalling package 'defaults::conda-4.4.10-py36_0'.
PermissionError(13, 'Permission denied')
Attempting to roll back.

Rolling back transaction: done

PermissionError(13, 'Permission denied')

我试图在virtualbox ubuntu 16.04上更新conda并且出现了这个权限错误.我试过了,sudo conda update conda但它回来了sudo: conda: command not found.我不知道从哪里开始.