title: CentOS, it's unbelievable about yum-config-manager
body: <p><a href="https://i.stack.imgur.com/3BN16.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/3BN16.png" alt="enter image description here"></a></p>
  
  <p>the figure shows that I have installed the <code>yum-utils</code>, but I also could not use the command <code>yum-config-manager</code>.<br>
  On writing the command <code>yum-config-manager</code> it is showing <code>yum-config-manager: command not found</code>.</p>
  
  <p>The output of the following command<br>
  <code>yum search yum-config-manager</code></p>
  
  <p>It is showing </p>
  
  <pre><code>Loaded plugins: fastestmirror
  Loading mirror speeds from cached hostfile
   * base: mirror.vpsnet.com
   * epel: mirror.vpsnet.com
   * extras: mirror.vpsnet.com
   * remi-safe: mirror.23media.de
   * updates: mirror.vpsnet.com
   * webtatic: uk.repo.webtatic.com
  ========================= Matched: yum-config-manager ==========================
  remi-release.noarch : Configuration de YUM pour le d?p?t remi
  yum-utils.noarch : Utilities based around the yum package manager
  </code></pre>
  
  <p>How can I use <code>yum-config-manager</code> in this scenario?</p>