feat: colab notebook - DNS diagnosis + DoH-bypass tunnel verification

Browse Source

Colab VM DNS fails to resolve fresh trycloudflare hostnames (Name or service not known) while the tunnel itself works from any real browser. Verification now: 1) diagnoses VM DNS via socket.gethostbyname, 2) uses urllib when DNS resolves, 3) falls back to curl --doh-url (Cloudflare DNS over HTTPS) to bypass the VM resolver, 4) otherwise prints the docs URL with an explicit note that a minted URL means the tunnel is already connected. Troubleshooting section documents the DNS limitation.

...

This commit is contained in:

lukehemmin

2026-08-12 20:57:37 +09:00

parent 96b53f889c

commit e34322cc73

2 changed files with 43 additions and 13 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download Patch File Download Diff File Expand all files Collapse all files

notebooks/luke-scribe-colab.ipynb

+2 -2

File diff suppressed because one or more lines are too long