PermissionError: [Errno 13] Permission denied: '/opt/stack/.cache/pip/wheels/a7/c1/ea/cf5bd31012e735dc1dfea3131a2d5eae7978b251083d6247bd'

user_1930814 0
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I am following the instructions from this tutorial to install devstack. When I type ./stack.sh, I am receiving the following error:

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'

What is the problem if the stack user was configured appropriately according to the tutorial?

devstack openstack ubuntu-18.04
4 Answers

Searching a bit, I found that we have to associate the stack user with the stack directory:

sudo chown -R stack:stack /opt/stack
user_19308140

From the documentation:

Since this user will be making many changes to your system, it should have sudo privileges

Try running again with sudo ./stack.sh

user_126419580

I had the same error. Besides sudo chown -R stack:stack /opt/devstack you should also include sudo chown -R stack:stack /opt/stack.

That fixed the problem for me.

user_132469940

To resolve permission error while installing openstack,

we have to give the privileges to the stack user.

to give permission to the stack user the commands are as below

$sudo chown -R stack:stack /opt/stack

or if the above command dont work then you should try

$sudo chown stack:stack /opt/stack

user_65226930
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