PermissionError：[Errno 13]权限被拒绝：'/opt/stack/.cache/pip/wheels/a7/c1/ea/cf5bd31012e735dc1dfea3131a2d5eae7978b251083d6247bd'

Question

我正在按照说明from this tutorial to install devstack。键入./stack.sh时，出现以下错误：

Exception:
Traceback (most recent call last):
  File "/opt/stack/requirements/.venv/lib/python3.6/site-packages/pip/basecommand.py", line 215, in main
    status = self.run(options, args)
  File "/opt/stack/requirements/.venv/lib/python3.6/site-packages/pip/commands/install.py", line 342, in run
    requirement_set.prepare_files(finder)
  File "/opt/stack/requirements/.venv/lib/python3.6/site-packages/pip/req/req_set.py", line 380, in prepare_files
    ignore_dependencies=self.ignore_dependencies))
  File "/opt/stack/requirements/.venv/lib/python3.6/site-packages/pip/req/req_set.py", line 554, in _prepare_file
    require_hashes
  File "/opt/stack/requirements/.venv/lib/python3.6/site-packages/pip/req/req_install.py", line 281, in populate_link
    self.link = self._wheel_cache.cached_wheel(self.link, self.name)
  File "/opt/stack/requirements/.venv/lib/python3.6/site-packages/pip/wheel.py", line 68, in cached_wheel
    self._cache_dir, link, self._format_control, package_name)
  File "/opt/stack/requirements/.venv/lib/python3.6/site-packages/pip/wheel.py", line 129, in cached_wheel
    wheel_names = os.listdir(root)
PermissionError: [Errno 13] Permission denied: '/opt/stack/.cache/pip/wheels/a7/c1/ea/cf5bd31012e735dc1dfea3131a2d5eae7978b251083d6247bd'

如果按照教程正确配置了堆栈用户，那会是什么问题？

Answer 1

摘自文档：

由于此用户将对您的系统进行许多更改，因此它应该具有sudo特权

尝试使用sudo ./stack.sh重新运行

Answer 2

经过一番搜索，我发现我们必须将堆栈用户与堆栈目录相关联：

sudo chown -R stack:stack /opt/stack