标签:x86 mysql Linux Community disabled community MySQL 安装
安装包准备
#查看mysql是否安装,如果安装了,卸载mysql
hive] rpm -qa|grep mysql #如果出现下面的提示,就说明系统已经有了mysql,要卸载 mysql-libs-5.1.73-7.el6.x86_64
# 卸载mysql
hive] rpm -e --nodeps mysql-libs-5.1.73-7.el6.x86_64
安装MySql服务器
mysql安装的步骤介绍
# 1. 下载mysql服务端(先从本地上传服务端和客户端到服务器,尽量使用root用户操作)
# 如果本地没有 可以下面命令在线下载5.7版本
soft]# wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm
# 2. 通过命令进行安装:
soft]# rpm -ivh mysql57-community-release-el7-11.noarch.rpm
# 通过下面命令可以查看是否安装
soft]# yum repolist all| grep mysql
mysql-cluster-7.5-community/x86_64 MySQL Cluster 7.5 Community disabled
mysql-cluster-7.5-community-source MySQL Cluster 7.5 Community - disabled
mysql-cluster-7.6-community/x86_64 MySQL Cluster 7.6 Community disabled
mysql-cluster-7.6-community-source MySQL Cluster 7.6 Community - disabled
mysql-connectors-community/x86_64 MySQL Connectors Community enabled: 141
mysql-connectors-community-source MySQL Connectors Community - disabled
mysql-tools-community/x86_64 MySQL Tools Community enabled: 105
mysql-tools-community-source MySQL Tools Community - Sourc disabled
mysql-tools-preview/x86_64 MySQL Tools Preview disabled
mysql-tools-preview-source MySQL Tools Preview - Source disabled
mysql55-community/x86_64 MySQL 5.5 Community Server disabled
mysql55-community-source MySQL 5.5 Community Server - disabled
mysql56-community/x86_64 MySQL 5.6 Community Server disabled
mysql56-community-source MySQL 5.6 Community Server - disabled
mysql57-community/x86_64 MySQL 5.7 Community Server enabled: 404
mysql57-community-source MySQL 5.7 Community Server - disabled
mysql80-community/x86_64 MySQL 8.0 Community Server disabled
mysql80-community-source MySQL 8.0 Community Server - disabled
# 通过上面可以看到mysql5.7 是enable状态
# 3. 通过yum开始mysql安装
soft]# yum install -y mysql-community-server
# 4. 启动mysql服务
# 启动数据库
soft]# systemctl start mysqld
# 设置开机自启数据库
soft]# systemctl enable mysqld
# 5. 查看产生的随机密码,运行命令后最后显示的xuzmpubKv0(f即为密码
soft]# grep 'password' /var/log/mysqld.log
2020-04-14T19:20:47.261622Z 1 [Note] A temporary password is generated for root@localhost: xuzmpubKv0(f
# 6. 用上述密码登录数据库
soft] mysql -u root -p
# 7. 修改密码
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'Root567!';
注意:登录成功后,要降低密码策略机制,改为low,也可以将密码长度6.
set global validate_password_policy=low;
set global validate_password_length=6;
查看密码策略
show variables like '%validate_password%';
远程授权:如果想要远程连接mysql,需要进行远程授权操作(注意,一定要关闭防火墙)
grant all privileges on *.* to root@"%" identified by '远程密码' with grant option;
标签:x86,mysql,Linux,Community,disabled,community,MySQL,安装 来源: https://blog.csdn.net/hangoer/article/details/120094871
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