How to fix git error: RPC failed; curl 56 GnuTLS
Solution 1:
The accepted answer from @harlequin might work, but I spend 2 hours and could not build git package from source code.
However, Check the below link as this works for me.
The remote end hung up unexpectedly while git cloning
just update the http post buffer value
git config --global http.postBuffer 1048576000
Solution 2:
After reading your posts, I solved it simply by
apt install gnutls-bin
Solution 3:
To solve this issue:
Rebuilding git with openssl instead of gnutls fixed my problem.
I followed these instructions