1. Execute git clone and report an error
Error message:
fatal: unable to access 'https://github.com/****.git/': GnuTLS recv error (-110): The TLS connection was non-properly terminated.
2. Solutions
imaginemiracle@im-Linux:~$ sudo apt-get update
imaginemiracle@im-Linux:~$ sudo apt-get install gnutls-bin
imaginemiracle@im-Linux:~$ git config --global http.sslVerify false
imaginemiracle@im-Linux:~$ git config --global http.postBuffer 1048576000
Now that the problem is solved, you can download smoothly.