Github wget github not trusted

Describes the cause and action for error messages.

Error Message(English)：
wget github not trusted

Resolution

ERROR: The certificate of `raw.githubusercontent.com' is not ...
https://stackoverflow.com/questions/27144426/error-the-certificate-of-raw-githubusercontent-com-is-n・・・

github: server certificate verification failed
https://stackoverflow.com/questions/35821245/github-server-certificate-verification-failed

Retrieve a single file from a repository
https://stackoverflow.com/questions/1125476/retrieve-a-single-file-from-a-repository

How do I fix certificate errors when running ...
https://stackoverflow.com/questions/9224298/how-do-i-fix-certificate-errors-when-running-wget-on-an-・・・

SSL certificate rejected trying to access ...
https://stackoverflow.com/questions/3777075/ssl-certificate-rejected-trying-to-access-github-over-ht・・・

v0.12.6: WGET does not trust certificate when doing download - GitHub
https://github.com/nodejs/node-v0.x-archive/issues/25629

[CentOS] wget のURLがhttps(SSL)でダウンロードに失敗するとき ...
https://blog.dreamhive.co.jp/mkoba/?p=5741

certificate of 'github.com' is not trusted | FOG Project
https://forums.fogproject.org/topic/11343/certificate-of-github-com-is-not-trusted

GitHubにあるリポジトリのソースだけを取得する方法 - blog.scheakur.com
https://blog.scheakur.com/post/90350150787/github%E3%81%AB%E3%81%82%E3%82%8B%E3%83%AA%E3%83%9D%E3%82・・・