ubuntu 使用pip 安裝時If executing pip with sudo, you may want sudo's -H flag.

錯誤信息：

The directory '/home/cephCluster/.cache/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
The directory '/home/cephCluster/.cache/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.

解決方法：

sudo -H pip install scrapy

即可解決上述問題。