Software⏱️ 2 min read📅 2026-05-31

How to Fix: How to fix git error: RPC failed; curl 56 GnuTLS

Git error fix for Ubuntu 16.04 with GnuTLS issue.

Quick Answer: Update Git and try again, or install libssl-dev and libcurl4-openssl-dev packages to resolve the GnuTLS issue.

📋 Table of Contents

  1. 🔍 Why This Happens
  2. 🚀 How to Resolve This Issue
  3. ✨ Wrapping Up

Git error: RPC failed; curl 56 GnuTLS is a common issue encountered by many users, especially on Ubuntu 16.04. This error occurs when the Git server fails to establish a secure connection using HTTPS or SSH.

🔍 Why This Happens

  • [Cause]

🚀 How to Resolve This Issue

Method 1: Update Git Server

  1. Step 1: Open a terminal and update the package list using the command sudo apt-get update.

Method 2: Fix GnuTLS Issues

  1. Step 1: Run the command sudo apt-get install libgnutls28-dev to update the GnuTLS library.

✨ Wrapping Up

To resolve this issue, follow the steps above and restart your Git server or try pushing again. If you encounter any further issues, consider seeking assistance from a system administrator or the Git community.

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