Fix broken and redirected links

contributing.rst

@@ -79,7 +79,7 @@ from the :guilabel:`Code` button on the `repository`_ page.
     If it fails,
     please follow the instructions in our :ref:`SecureRemoteAccess` docs to set up your SSH keys and :ref:`CopyYourPublicSshKeyToGitHub`.
 
-    .. _connecting to GitHub using SSH: https://docs.github.com/en/github/authenticating-to-github/connecting-to-github-with-ssh
+    .. _connecting to GitHub using SSH: https://docs.github.com/en/authentication/connecting-to-github-with-ssh
 
 
 .. _MOAD-DocsBuildEnvironment:

git_version_control.rst

@@ -25,7 +25,7 @@ There is also an introduction to `using Git`_ on the GitHub documentation site.
 
 .. _documentation section of the Git site: https://git-scm.com/doc
 .. _Pro Git book: https://git-scm.com/book/en/v2
-.. _using Git: https://docs.github.com/en/github/using-git
+.. _using Git: https://docs.github.com/en/get-started
 
 We use `GitHub`_ for central storage of MOAD respositories to enable us to share our work with each other,
 collaborators,

jupyter.rst

@@ -429,10 +429,9 @@ they are installed from PyPI.
 
     If you want to use :kbd:`h5netcdf` at a lower level than :kbd:`xarray`
     (as you may have used :kbd:`netCDF4` elsewhere),
-    please see its `legacy API`_ that is designed for compatibility with :kbd:`netCDF4`.
+    please see its legacy API that is designed for compatibility with :kbd:`netCDF4`.
 
     .. _h5netcdf package: https://github.com/h5netcdf/h5netcdf
-    .. _legacy API: https://github.com/h5netcdf/h5netcdf#legacy-api
 
 .. note::
     If you need to deactivate the venv,

python_packaging/pkg_structure.rst

@@ -31,7 +31,7 @@ References
 * `the Flit packaging and publisher tool`_
 
 .. _Python Packaging User Guide: https://packaging.python.org/
-.. _Setuptools Documentation: https://setuptools.readthedocs.io/en/latest/index.html
+.. _Setuptools Documentation: https://setuptools.pypa.io/en/latest/index.html
 .. _Hynek Schlawack's Testing & Packaging blog post: https://hynek.me/articles/testing-packaging/
 .. _Ionel Cristian Mărieș's Packaging a python library blog post: https://blog.ionelmc.ro/2014/05/25/python-packaging/
 .. _Brian Skinn's My How and Why pyproject.toml & the 'src' Project Structure blog post: https://bskinn.github.io/My-How-Why-Pyproject-Src/
@@ -668,4 +668,4 @@ The :file:`src/` layout advocated by `Hynek Schlawack's Testing & Packaging blog
 The benefits that :file:`src/` layout provides are not important to us because always install our group-developed packages via :command:`python3 -m pip install -e`,
 and we don't use `tox`_ to test our packages with different Python versions and interpreters.
 
-.. _tox: https://tox.readthedocs.io/en/latest/
+.. _tox: https://tox.wiki/en/latest/

ssh_access.rst

@@ -475,7 +475,7 @@ also use key-based authentication to access our :ref:`team-repos` and your perso
 Doing so lets your ssh agent handle authentication when you do :command:`git pull` and :command:`git push` commands to copy committed changes between your local repository clones and GitHub.
 Please follow the `instructions provided by GitHub`_ to put your public key into your account settings on GitHub.
 
-.. _instructions provided by GitHub: https://docs.github.com/en/github/authenticating-to-github/adding-a-new-ssh-key-to-your-github-account
+.. _instructions provided by GitHub: https://docs.github.com/en/authentication/connecting-to-github-with-ssh/adding-a-new-ssh-key-to-your-github-account
 
 
 .. _SSHCommands: