deepin装mysql8.0
<p>从官网下一个mysql8.0的tar包，解压到/usr/local/路径，进入该路径并改文件夹名为mysql，然后添加mysql用户和用户组</p><div class="cnblogs_code">
<pre><span style="color: rgba(0, 0, 0, 1)">sudo groupadd mysql
sudo useradd </span>-r -g mysql -s /bin/<span style="color: rgba(0, 0, 255, 1)">false</span> mysql</pre>
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<p>然后cd mysql进入到mysql路径，新建一个data文件夹，并修改权限</p>
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<pre>sudo chown -R mysql:mysql ./</pre>
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<p>初始化数据库</p>
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<pre>sudo ./bin/mysqld --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --initialize</pre>
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<p>之后会打印出一个随机密码，这是root用户第一次登录需要用到的密码。</p>
<p>打开数据库服务</p>
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<pre>sudo ./support-files/mysql.server start</pre>
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<p>把服务放到系统进程，然后每次要打开数据库服务就可以用命令：service mysqld start</p>
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<pre>sudo cp support-files/mysql.server /etc/init.d/mysqld</pre>
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<p>创建软连接</p>
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<pre>sudo ln -s /usr/local/mysql/bin/mysql /usr/bin</pre>
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<p>登录mysql</p>
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<pre>mysql -uroot -p</pre>
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<p>然后密码粘贴刚刚产生的随机密码，进入到数据库，修改root密码</p>
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<pre>alter user <span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(128, 0, 0, 1)">root</span><span style="color: rgba(128, 0, 0, 1)">'</span>@<span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(128, 0, 0, 1)">localhost</span><span style="color: rgba(128, 0, 0, 1)">'</span> identified by <span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(128, 0, 0, 1)">新密码</span><span style="color: rgba(128, 0, 0, 1)">'</span>;</pre>
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<p>然后万事大吉，新年快乐！！！</p><br><br>
来源：https://www.cnblogs.com/Wszhurui/p/12131752.html
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