Describes the cause and action for error messages.
can not clone from github
Can't clone private Github repositories over HTTPS
Can't clone repo using git clone git://... - ok with git clone ...
Git Clone - Repository not found
Unable to Connect to GitHub.com For Cloning
Can't properly clone a private github repo ・ Issue #1324 ・ atom/github ...
HTTPS cloning errors - GitHub Help
Cloning a repository - GitHub Help
Solved: git clone is not working for a private repo - GitHub Community ...
Cannot clone a repository from Github using Source...