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@@ -1,10 +1,18 @@
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>[TOC]
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-# 1、卸载CentOS7系统自带的mariadb
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+# 1、卸载CentOS7系统自带的mariadb和mysql
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```shell
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+# 1.删除mariadb
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rpm -qa|grep mariadb
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rpm -e --nodeps mariadb-libs-5.5.64-1.el7.x86_64
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+# 2.删除mysql
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+rpm -qa |grep -i mysql
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+yum remove mysql*
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+find / -name mysql # 删除相关目录
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+rm -rf x
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+rm -rf /etc/my.cnf
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+rm -rf /var/log/mysqld.log
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```
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# 2、上传安装包，安装mysql
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@@ -19,8 +27,8 @@ rpm -ivh *.rpm --nodeps --force
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# 3、配置Mysql
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```shell
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-# 1.首先关闭mysql服务
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-service mysqld stop
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+# 1.首先启动mysql服务
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+systemctl start mysqld && systemctl enable mysqld
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# 2.查看默认生成的密码
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cat /var/log/mysqld.log | grep password
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2021-12-07T06:31:15.336280Z 1 [Note] A temporary password is generated for root@localhost: v;pW)YU;S9fr
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