vi /etc/yum.repos.d/mysql-community.repo 

<pre class="programlisting" style="box-sizing: inherit; margin-top: 20px; margin-bottom: 20px; margin-left: 6px; padding: 3px 8px; border: 1px solid rgb(217, 217, 217); outline: 0px; font-size: 12.6814px; vertical-align: baseline; font-family: 'Courier New', Courier, fixed, monospace; overflow: auto; line-height: 1.5; background: rgb(238, 238, 238);" name="code"># Enable to use MySQL 5.6 
[mysql56-community] 
name=MySQL 5.6 Community Server 
baseurl=http://repo.mysql.com/yum/mysql-5.6-community/el/6/$basearch/ 
enabled=1 
gpgcheck=1-->0 
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql</pre> 
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修改gpgcheck=0即可 
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<p><span style="font-family:Courier New,Courier,fixed,monospace"><span style="font-size:12.6814px; line-height:22.1924px">繼續安裝：</span></span></p> 
<pre name="code" class="html"> sudo yum install mysql-community-server</pre><br> 
引用：https://dev.mysql.com/doc/mysql-repo-excerpt/5.6/en/linux-installation-yum-repo.html<br> 
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