linux vim卸载安装包_Linux下卸载安装mysql

1、卸载命令：# rpm -qa |grep -i mysql

# yum remove mysql-community mysql-community-server mysql-community-libs mysql-community-common

2、安装：# wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm

# yum localinstall mysql57-community-release-el7-8.noarch.rpm

# yum install mysql-community-server

3、启动 ：# systemctl start mysqld

重启：# systemctl restart mysqld

关闭：# systemctl stop mysqld

设置开机自启 # systemctl enable mysqld

# systemctl daemon-reload

4、查看默认密码：# grep ‘temporary password‘ /var/log/mysqld.log

注：可修改密码策略(不然密码需要包括大小写、数字、特殊符号)

# vim  /etc/my.cnf

添加：validate_password = off

# systemctl restart mysqld

5、登录：#  mysql -uroot -p

修改密码：mysql> set password for ‘root‘@‘localhost‘=password(‘123123‘);

添加远程账号：mysql> GRANT ALL PRIVILEGES ON *.* TO ‘home‘@‘%‘ IDENTIFIED BY ‘123123‘ WITH GRANT OPTION;

7、配置默认编码utf-8：# vim /etc/my.cnf

添加：   character_set_server=utf8

init_connect=‘SET NAMES utf8‘

8、默认配置文件路径：

配置文件：/etc/my.cnf

日志文件：/var/log//var/log/mysqld.log

服务启动脚本：/usr/lib/systemd/system/mysqld.service

socket文件：/var/run/mysqld/mysqld.pid

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