Hi everyone!
I recently launched a TLJH server (sincere thanks to the developers). I
have managed to install kernels for multiple languages - C++ (Xeus-Cling),
Python, R. I now want to use nbgrader to develop assignments in all the 3
languages. I logged in to the hub from the admin account, opened the
terminal and used the following commands:
sudo jupyter nbextension install --sys-prefix --py nbgrader --overwritesudo
jupyter nbextension enable --sys-prefix --py nbgradersudo jupyter
serverextension enable --sys-prefix --py nbgrader
This in turn enabled the formgrader extension and the assignment extension.
First, when I try to click the formgrader extension, I get the *404: Page
Not Found* error.
I then used the following command to create a sample course:
nbgrader quickstart course_id
Still, the situation is the same. Second, when I login using a student
account, I am able to see the formgrader and all the options (which I don't
think a student should be allowed to see). Also, when the student clicks on
the Assignment option, they get the following errors:
Traceback (most recent call last): File
"/opt/tljh/user/lib/python3.6/site-packages/nbgrader/server_extensions/assignment_list/handlers.py",
line 65, in list_released_assignments assignments = lister.start() File
"/opt/tljh/user/lib/python3.6/site-packages/nbgrader/exchange/list.py",
line 129, in start super(ExchangeList, self).start() File
"/opt/tljh/user/lib/python3.6/site-packages/nbgrader/exchange/exchange.py",
line 122, in start self.ensure_root() File
"/opt/tljh/user/lib/python3.6/site-packages/nbgrader/exchange/exchange.py",
line 100, in ensure_root self.fail("Unwritable directory, please contact
your instructor: {}".format(self.root)) File
"/opt/tljh/user/lib/python3.6/site-packages/nbgrader/exchange/exchange.py",
line 78, in fail raise ExchangeError(msg)
nbgrader.exchange.exchange.ExchangeError: Unwritable directory, please
contact your instructor: /srv/nbgrader/exchange
Am I missing something? Can someone point me in the right direction?
Thanks in advance
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