CentOS 7安装MySQL

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一、准备安装文件

先去官网下载安装包，注意系统要选择RedHat 7

然后解压得到下边这些文件

二、开始安装

#删除mariadb的文件，不然会冲突
[iceberg@localhost mysql5.5]# sudo yum -y remove mariadb-libs

[iceberg@localhost mysql5.5]# sudo rpm -ivh *.rpm
warning: MySQL-client-5.5.62-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
error: Failed dependencies:
    perl(Data::Dumper) is needed by MySQL-server-5.5.62-1.el7.x86_64
    perl(Data::Dumper) is needed by MySQL-test-5.5.62-1.el7.x86_64
方案：
    安装 perl 和 自动配置 autoconf
# 安装 perl
[iceberg@localhost mysql5.5]# sudo yum install perl

# 安装 autoconf 解决 perl(Data::Dumper) 问题
[iceberg@localhost mysql5.5]# sudo yum -y install autoconf
Installed:
  autoconf.noarch 0:2.69-11.el7                                               
Dependency Installed:
  perl-Data-Dumper.x86_64 0:2.145-3.el7
  
[iceberg@localhost mysql5.5]# sudo rpm -ivh *.rpm

安装完成后，会提示你记得修改root用户的密码

# 启动mysql server
[iceberg@localhost mysql5.5]# systemctl start mysql

# 修改密码，删除匿名用户
[iceberg@localhost mysql5.5]# /usr/bin/mysql_secure_installation

三、验证

mysql --version

来源：oschina

链接：https://my.oschina.net/icebergxty/blog/3148963