CentOS下MySQL的彻底卸载的几种方法
<p>本文介绍了CentOS下MySQL的彻底卸载的几种方法，分享给大家，具体如下：</p>
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<strong>1：查看MySQL是否安装:</strong></p>
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方式1:</p>
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<code class="bash plain"></code><code class="bash comments"># yum list installed mysql*</code>
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<code class="bash plain">Loaded plugins: fastestmirror</code>
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<code class="bash plain">Loading mirror speeds from cached hostfile</code>
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<code class="bash spaces"> </code><code class="bash plain">* base: mirrors.yun-idc.com</code>
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<code class="bash spaces"> </code><code class="bash plain">* extras: mirror.neu.edu.cn</code>
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<code class="bash spaces"> </code><code class="bash plain">* updates: mirrors.yun-idc.com</code>
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<code class="bash plain">Installed Packages</code>
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<code class="bash plain">MySQL-client.x86_64 5.6.27-1.el6 installed</code>
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<code class="bash plain">MySQL-devel.x86_64 5.6.27-1.el6 installed</code>
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<code class="bash plain">MySQL-server.x86_64 5.6.27-1.el6 installed</code>
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<code class="bash plain"></code><code class="bash comments">#</code>
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方式2( -i :不区分大小写)：</p>
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<code class="bash plain"></code><code class="bash comments"># rpm -qa | grep -i mysql</code>
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<code class="bash plain">MySQL-server-5.6.27-1.el6.x86_64</code>
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<code class="bash plain">MySQL-client-5.6.27-1.el6.x86_64</code>
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<code class="bash plain">MySQL-devel-5.6.27-1.el6.x86_64</code>
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<code class="bash plain"></code><code class="bash comments">#</code>
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<strong>2：卸载MySQL:</strong></p>
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<strong>卸载1：</strong></p>
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<code class="bash plain"></code><code class="bash comments"># yum remove mysql mysql-server mysql-libs compat-mysql51</code>
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<code class="bash plain"></code><code class="bash comments"># rm -rf /var/lib/mysql</code>
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<code class="bash plain"></code><code class="bash comments"># rm /etc/my.cnf</code>
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如果装了mysql-devel(其他一样add command)，卸载为：</p>
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<span><u>复制代码</u></span> 代码如下:</div>
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# yum remove mysql mysql-devel mysql-server mysql-libs compat-mysql51</div>
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注（例如）:</p>
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mysql-5.5.39-1.el6.remi.x86_64<br>
mysql-libs-5.5.39-1.el6.remi.x86_64<br>
compat-mysql51-5.1.54-1.el6.remi.x86_64<br>
mysql-server-5.5.39-1.el6.remi.x86_64</p>
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<strong>卸载2{继续，1，2选择一种（此处为介绍）：}:</strong></p>
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<code class="bash plain"></code><code class="bash comments"># rpm -aq | grep -i mysql</code>
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<code class="bash plain">MySQL-server-5.6.27-1.el6.x86_64</code>
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<code class="bash plain">MySQL-client-5.6.27-1.el6.x86_64</code>
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<code class="bash plain">MySQL-devel-5.6.27-1.el6.x86_64</code>
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<code class="bash plain"></code><code class="bash comments"># rpm -e MySQL-server-5.6.27-1.el6.x86_64</code>
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<code class="bash plain"></code><code class="bash comments"># rpm -e MySQL-client-5.6.27-1.el6.x86_64</code>
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<code class="bash plain"></code><code class="bash comments"># rpm -e MySQL-devel-5.6.27-1.el6.x86_64</code>
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<code class="bash plain"></code><code class="bash comments"># cd /var/lib/</code>
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<code class="bash plain"></code><code class="bash comments"># rm -rf mysql/</code>
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注:删除MySQL数据库目录(关键) ，否则password不更新（默认安装，如果自定义安装路径和链接路径ln -s ……请删除。）<br>
rm -rf /var/lib/mysql</p>
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<strong>卸载3：</strong></p>
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<code class="bash plain"></code><code class="bash comments"># whereis mysql</code>
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<code class="bash plain">mysql: </code><code class="bash plain">/usr/lib64/mysql</code>
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<code class="bash plain"></code><code class="bash comments"># rm -rf /usr/lib64/mysql</code>
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注：find / -name mysql</p>
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注：清空相关mysql的所有目录以及文件和其他配置和设置等。如果有，则删除。也必须考虑其他软件不去影响。</p>
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rm -rf /usr/lib/mysql</p>
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rm -rf /usr/share/mysql</p>
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<strong>卸载4：</strong></p>
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<code class="bash plain"></code><code class="bash comments"># rm –rf /usr/my.cnf</code>
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<code class="bash plain"></code><code class="bash comments"># rm -rf /root/.mysql_sercret</code>
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卸载5（自启服务）：</p>
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<code class="bash plain"></code><code class="bash comments"># chkconfig --list | grep -i mysql</code>
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<code class="bash plain"></code><code class="bash comments"># chkconfig --del mysqld</code>
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此处删除看自己设置:mysql/mysqld</p>
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以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。</p>
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原文链接：http://blog.csdn.net/typa01_kk/article/details/49057073</p>
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