数据建设实践之大数据平台(四)安装mysql

mark_wu20002024-07-12 12:52

安装mysql

卸载mysql

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[bigdata@node101 ~]$ sudo rpm -qa | grep mariadb | xargs sudo rpm -e --nodeps

上传安装包到/opt/software目录并解压

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[bigdata@node101 software]$ tar -xf mysql-5.7.28-1.el7.x86_64.rpm-bundle.tar -C  mysql_lib/

到mysql_lib目录下顺序安装

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[bigdata@node101 mysql_lib]$ sudo rpm -ivh  mysql-community-common-5.7.28-1.el7.x86_64.rpm                   
[bigdata@node101 mysql_lib]$ sudo rpm -ivh  mysql-community-libs-5.7.28-1.el7.x86_64.rpm                        
[bigdata@node101 mysql_lib]$ sudo rpm -ivh  mysql-community-libs-compat-5.7.28-1.el7.x86_64.rpm                
[bigdata@node101 mysql_lib]$ sudo rpm -ivh  mysql-community-client-5.7.28-1.el7.x86_64.rpm                      
[bigdata@node101 mysql_lib]$ sudo rpm -ivh  mysql-community-server-5.7.28-1.el7.x86_64.rpm

重启mysql

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[bigdata@node101 ~]$ sudo systemctl restart mysqld

查看mysql状态

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[bigdata@node101 ~]$ systemctl status mysqld

查看root密码

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[bigdata@node101 ~]$ sudo cat /var/log/mysqld.log | grep password

重置密码

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[bigdata@node101 ~]$ mysql -uroot -p'lzOkJwdks5+!'

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mysql> set global validate_password_policy=0; 
mysql> set global validate_password_length=6 ; 
mysql> set password=password("123456"); 
mysql> use mysql

设置远程登录

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mysql> update user set host="%" where user="root";  
mysql> flush privileges;

修改字符集编码

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[bigdata@node101 ~]$ sudo vim /etc/my.cnf

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[client]
default-character-set=utf8
[mysql]
default-character-set=utf8

重启mysql

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[bigdata@node101 ~]$ sudo systemctl restart mysqld

设置开机启动

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[bigdata@node101 ~]$ sudo vim /etc/rc.d/rc.local

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service mysqld start