安装

1.添加yum源
  curl -L https://packages.gitlab.com/install/repositories/runner/gitlab-ci-multi-runner/script.rpm.sh | sudo bash
2.安装runner
  yum install gitlab-ci-multi-runner
3.向GitLab-CI注册runner
  gitlab-ci-multi-runner register

说明：

注册需要：GitLab-CI的url和注册token
位置在项目的setting里面(位置和名字不同的gitlab版本可能有差异)

注册时是会有提示

b.Enter your GitLab instance URL:
Please enter the gitlab-ci coordinator URL (e.g. https://gitlab.com )
	你的gitlab地址
c.Enter the token you obtained to register the Runner:
Please enter the gitlab-ci token for this runner
	 你的token
d.Enter a description for the Runner, you can change this later in GitLab's UI:
Please enter the gitlab-ci description for this runner
[hostame] my-runner
e.Enter the tags associated with the Runner, you can change this later in GitLab's UI:
Please enter the gitlab-ci tags for this runner (comma separated):
	tag 可以不写
f.Enter the Runner executor:
Please enter the executor: ssh, docker+machine, docker-ssh+machine, kubernetes, docker, parallels, virtualbox, docker-ssh, shell:
	shell