Software⏱️ 4 min read📅 2026-06-11

How to Fix: gitlab-runner has not yet connected error

gitlab-runner connection issue on Ubuntu 16.04

Quick Answer: Check gitlab-runner configuration and ensure correct setup after installation.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. ✅ Best Solutions to Fix It
  3. ✨ Wrapping Up

The 'gitlab-runner has not yet connected' error is encountered by users who have upgraded from GitLab Multi-Runner to GitLab Runner on Ubuntu 16.04. This issue affects users who are experiencing trouble with their runners not starting despite being registered in the GitLab admin interface.

This error can be frustrating for users as it prevents them from utilizing the full potential of GitLab's CI/CD capabilities. In this guide, we will walk through the possible causes and provide step-by-step solutions to resolve this issue.

🛑 Root Causes of the Error

  • The primary cause of this error is related to the configuration of the GitLab Runner. Specifically, it is often due to issues with the `config.txt` file or the `gitlab-runner` service not being properly configured. The `config.txt` file should contain the necessary settings for the runner to connect to the GitLab server.
  • Another possible cause could be related to the version compatibility between GitLab and GitLab Runner. In this case, an incompatibility issue might arise from using a newer version of GitLab Runner with an older version of GitLab.

✅ Best Solutions to Fix It

Configuring the config.txt file

  1. Step 1: Step 1: Open the `config.txt` file located at `/home//.gitlab-runner/config.txt` and ensure that it contains the correct settings for your environment. Specifically, you should see a line with the format `runner='docker'`. If this line is missing or incorrect, add it manually.
  2. Step 2: Step 2: Check if there are any issues with the GitLab server configuration. You can do this by checking the GitLab server logs for any error messages related to runner connections. The location of these logs may vary depending on your environment, but they usually reside in `/var/log/gitlab/` or similar directories.
  3. Step 3: Step 3: Restart the `gitlab-runner` service after making changes to the `config.txt` file. You can do this by running the command `sudo systemctl restart gitlab-runner`.

Checking version compatibility

  1. Step 1: Step 1: Check if there are any updates available for GitLab Runner and install them using the command `sudo apt-get update && sudo apt-get upgrade -y`. This may resolve version compatibility issues.
  2. Step 2: Step 2: If you have already installed a newer version of GitLab Runner, try downgrading to an older version that is compatible with your current GitLab version. However, be cautious when downgrading as this may introduce new issues.

✨ Wrapping Up

To summarize, the 'gitlab-runner has not yet connected' error can often be resolved by configuring the `config.txt` file and ensuring proper version compatibility between GitLab and GitLab Runner. If you encounter persistent issues, it is recommended to check the server logs for more detailed information about the problem.

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