In our previous post has been explained to install GitLab runner package(dpkg), this post will guide you how do we install the GitLab runner manually with binary file on your Ubuntu or Debian or CentOS. the steps are below

STEP 1: download one of the binaries for your system:

# Linux x86-64

sudo curl -L --output /usr/local/bin/gitlab-runner https://gitlab-runner-downloads.s3.amazonaws.com/latest/binaries/gitlab-runner-linux-amd64

Note:
if you using #Linux arm - change the gitlab-runner-linux-arm 
                   #arm64 - change the gitlab-runner-linux-arm64
                   #Linux x86 - change the gitlab-runner-linux-386

STEP2: Set the permissions to the file:
 
sudo chmod +x /usr/local/bin/gitlab-runner

STEP 3: Install gitlab service:
 
sudo gitlab-runner install --user=gitlab-runner --working-directory=/home/gitlab-runner

STEP4:  run as git-lab service:
 
sudo gitlab-runner start

STEP 5: Register a runner:

Gitlab requires a token during runner set-up, which can be accessed in the Settings section of your repository. On the left-pane, navigate to Settings->CI/CD, and click “Expand” on the “Runners” tab Copy your gitlab URL & Copy your token name 
 
sudo gitlab-runner register

GitLab Runner is running successfully

STEP6: Test that the GitLab Runner is running:
 
sudo service gitlab-runner status