docs: broken link to wiki

[tueda]

Same as #4653.

The last part of Tutorials / Quickstart / Start the Hub server says

The wiki
describes how to run the server as a less privileged user. This requires
additional configuration of the system.

But the wiki is now disabled. It seems that this content has moved: #1858.

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[adsche]

Is the wiki content archived somewhere? I keep running into things I need from the documentation that are supposedly described there... Thanks!

[manics]

If there's anything important and unique in the Wiki I think we should move it to the readthedocs website. What links are missing?

[adsche]

Today, for me, it was this one (same as the initial reporter): https://github.com/jupyterhub/jupyterhub/wiki/Using-sudo-to-run-JupyterHub-without-root-privileges
This is linked from https://jupyterhub.readthedocs.io/en/stable/tutorial/quickstart.html (bottom).

Last week, I stumbled upon this issue when looking up something about a spawner or authenticator, but I don't find that link right now (I think it was supposed to go to a list of spawners but there's a github tag link there, maybe it changed?) - will report back if I find it again.