title: CentOS 7 Unable to add Gitlab package repository and install
body: <p>Objective: To install gitlab at my Centos7.<br>
  Instruction: <a href="https://about.gitlab.com/install/#centos-7" rel="nofollow noreferrer">https://about.gitlab.com/install/#centos-7</a><br>
  Error:</p>
  
  <pre><code>[root@enlabsapp067 deployer]# curl https://packages.gitlab.com/install/repositories/gitlab/gitlab-ee/script.rpm.sh | sudo bash &lt;br&gt;
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
  Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:--  0:00:05 --:--:--     0curl: (7) Failed connect to packages.gitlab.com:443; Connection refused
  </code></pre>
  
  <p>Your kind assist is much appreciated.</p>
  
  <p><strong>Debugging Check</strong></p>
  
  <ul>
  <li>CentOS Linux release 7.6.1810 (Core)</li>
  <li>sshd - active (running) </li>
  <li>firewalld - active (running)</li>
  <li>postfix - active (running)</li>
  </ul>