mysql安装rpm方式
查看系统中安装的rpm包
rpm -qa | grep mysql
卸载自带的mysql
rpm -e --nodeps *
解压mysql
tar -xvf mysql-5.7.18-1.el7.x86_64.rpm-bundle.tar
安装顺序
mysql-community-common-5.7.18-1.el7.x86_64.rpm
mysql-community-libs-5.7.18-1.el7.x86_64.rpm(依赖于common)
mysql-community-client-5.7.18-1.el7.x86_64.rpm(依赖于libs)
mysql-community-server-5.7.18-1.el7.x86_64.rpm(依赖于common,client)
mysql-community-devel-5.7.18-1.el7.x86_64.rpm(MySQL头文件和库文件)
mysql-community-libs-compat-5.7.18-1.el7.x86_64.rpm
执行如下命令:
rpm -ivh mysql-community-common-5.7.18-1.el7.x86_64.rpm
rpm -ivh mysql-community-libs-5.7.18-1.el7.x86_64.rpm
rpm -ivh mysql-community-client-5.7.18-1.el7.x86_64.rpm
rpm -ivh mysql-community-server-5.7.18-1.el7.x86_64.rpm
rpm -ivh mysql-community-devel-5.7.18-1.el7.x86_64.rpm
rpm -ivh mysql-community-libs-compat-5.7.18-1.el7.x86_64.rpm
如果报错则执行
yum remove mariadb-libs
强制卸载
rpm -e --nodeps mariadb-libs-5.5.41-2.el7_0.x86_64
启动mysql命令
systemctl start mysqld
查看是否启动成功:
systemctl status mysqld.service
重置mysql的密码
vi /etc/my.cnf
在文件尾部添加
character_set_server=utf8 --设置字符集
init_connect='SET NAMES utf8'
lower_case_table_names=1 --忽略大小写
skip-grant-tables=1 --无密码方式进入mysql
重启 mysqld 服务命令
systemctl restart mysqld
然后输入 mysql -u root
use mysql;
update user set authentication_string = password('***'),
password_expired='N',password_last_changed = now() where user ='root'; FLUSH PRIVILEGES;
退出数据库
exit
把添加的配置文件的一行删掉,光标移动到最下面,按“i”键,删除skip-grant-tables=1
登录MYSQL
mysql -u root -p**
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '**' WITH GRANT OPTION; --绝对不能少的一步;
CREATE DATABASE `**` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
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