I found the cause: in ~/.guix-profile/etc/profile environment variables are set for jupyter:
> export > JUPYTER_PATH="${GUIX_PROFILE:-/gnu/store/ichrcarq2k4lhdmm2izc3f1xjbziz49v-profile}/share/jupyter${JUPYTER_PATH:+:}$JUPYTER_PATH" > export > JUPYTER_CONFIG_DIR="${GUIX_PROFILE:-/gnu/store/ichrcarq2k4lhdmm2izc3f1xjbziz49v-profile}/etc/jupyter${JUPYTER_CONFIG_DIR:+:}$JUPYTER_CONFIG_DIR" The jupyter config path causes the problem, since jupyter tries to write into it (and it is located in a read only filesystem). Unsetting the environment variable solves the issue. Cheers, Alex On Sat, Nov 27 2021, 11:14:07, Alexander Asteroth <alexander.aster...@h-brs.de> wrote: > Dear all, > > yesterday I added jupyter to my profile and it worked perfectly > fine. Overnight I shut down the computer and rebooted today. > Now jupyter refuses to start with the messages below. It seems that > jupyter-notebook tries to create directories (or modifiy them) in the > location it > is installed wich is mounted ro. I have no idea why this didn't happen > yesterday but it seems that there is some misconfiguration somewhere... > > Cheers, > Alex > > PS: same effect with jupyterlab from the guix-science channel. > > ------------------------------- > ~$ jupyter-notebook > Traceback (most recent call last): > File > "/gnu/store/1v8dgchnis87a4p3g9i3j1ayv0dfr4ds-python-notebook-6.3.0/bin/.jupyter-notebook-real", > line 11, in <module> > load_entry_point('notebook==6.3.0', 'console_scripts', > 'jupyter-notebook')() > File > "/gnu/store/8ncan0ipzb240h23fwfspdhrzkzdw277-python-jupyter-core-4.7.1/lib/python3.8/site-packages/jupyter_core/application.py", > line 254, in launch_instance > return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs) > File > "/gnu/store/i037rnmqzwcc7nrgcswzb8dcckfrngzp-python-traitlets-4.3.3/lib/python3.8/site-packages/traitlets/config/application.py", > line 663, in launch_instance > app.initialize(argv) > File > "/gnu/store/f7y0fd230nc6l2qwq58g7q26rlkwjkf3-python-decorator-5.0.9/lib/python3.8/site-packages/decorator.py", > line 232, in fun > return caller(func, *(extras + args), **kw) > File > "/gnu/store/i037rnmqzwcc7nrgcswzb8dcckfrngzp-python-traitlets-4.3.3/lib/python3.8/site-packages/traitlets/config/application.py", > line 87, in catch_config_error > return method(app, *args, **kwargs) > File > "/gnu/store/1v8dgchnis87a4p3g9i3j1ayv0dfr4ds-python-notebook-6.3.0/lib/python3.8/site-packages/notebook/notebookapp.py", > line 2122, in initialize > super().initialize(argv) > File > "/gnu/store/f7y0fd230nc6l2qwq58g7q26rlkwjkf3-python-decorator-5.0.9/lib/python3.8/site-packages/decorator.py", > line 232, in fun > return caller(func, *(extras + args), **kw) > File > "/gnu/store/i037rnmqzwcc7nrgcswzb8dcckfrngzp-python-traitlets-4.3.3/lib/python3.8/site-packages/traitlets/config/application.py", > line 87, in catch_config_error > return method(app, *args, **kwargs) > File > "/gnu/store/8ncan0ipzb240h23fwfspdhrzkzdw277-python-jupyter-core-4.7.1/lib/python3.8/site-packages/jupyter_core/application.py", > line 229, in initialize > self.migrate_config() > File > "/gnu/store/8ncan0ipzb240h23fwfspdhrzkzdw277-python-jupyter-core-4.7.1/lib/python3.8/site-packages/jupyter_core/application.py", > line 155, in migrate_config > migrate() > File > "/gnu/store/8ncan0ipzb240h23fwfspdhrzkzdw277-python-jupyter-core-4.7.1/lib/python3.8/site-packages/jupyter_core/migrate.py", > line 244, in migrate > ensure_dir_exists(env['jupyter_config']) > File > "/gnu/store/8ncan0ipzb240h23fwfspdhrzkzdw277-python-jupyter-core-4.7.1/lib/python3.8/site-packages/jupyter_core/utils/__init__.py", > line 11, in ensure_dir_exists > os.makedirs(path, mode=mode) > File > "/gnu/store/sd2ic7bpv8fx3imy1j8xcjclx71sv6q0-python-3.8.2/lib/python3.8/os.py", > line 213, in makedirs > makedirs(head, exist_ok=exist_ok) > File > "/gnu/store/sd2ic7bpv8fx3imy1j8xcjclx71sv6q0-python-3.8.2/lib/python3.8/os.py", > line 213, in makedirs > makedirs(head, exist_ok=exist_ok) > File > "/gnu/store/sd2ic7bpv8fx3imy1j8xcjclx71sv6q0-python-3.8.2/lib/python3.8/os.py", > line 213, in makedirs > makedirs(head, exist_ok=exist_ok) > [Previous line repeated 7 more times] > File > "/gnu/store/sd2ic7bpv8fx3imy1j8xcjclx71sv6q0-python-3.8.2/lib/python3.8/os.py", > line 223, in makedirs > mkdir(name, mode) > OSError: [Errno 30] Read-only file system: > '/home/[user]/.guix-profile/etc/jupyter:'