1、安裝mysql
wget
rpm -ivh mysql57-community-release-el7-8.noarch.rpm
yum -y install mysql-server
vi /etc/my.cnf
可以修改資料儲存的位置，datadir=/var/lib/mysql
可以新增skip-grant-tables 跳過輸入密碼
3、啟動
啟動：service mysqld start
停止：service mysqld stop
重啟：service mysqld restart
4、登入
通過命令 grep "password" /var/log/mysqld.log 找到隨機生成的密碼
通過mysql -u root -p登入
通過alter user 'root'@'localhost' identified by '123456'修改密碼
通過flush privileges 儲存
5、授權遠端連線
grant all privileges on *.* to 'root'@'%' identified by '123456' with grant option
flush privileges
6、建立普通使用者
create user "test"@"%" identified by "password";
grant all privileges on `test`.* to 'test'@'%' ;
7、解除安裝mysql
通過rpm -qa | grep -i mysql檢視安裝情況
[root@wcz usr]# rpm -qa|grep -i mysql
mysql-community-client-5.7.27-1.el7.x86_64
mysql-community-common-5.7.27-1.el7.x86_64
mysql57-community-release-el7-8.noarch
mysql-community-libs-5.7.27-1.el7.x86_64
mysql-community-server-5.7.27-1.el7.x86_64
mysql-community-libs-compat-5.7.27-1.el7.x86_64
依次解除安裝
rpm -ev mysql-community-server-5.7.27-1.el7.x86_64
rpm -ev mysql57-community-release-el7-8.noarch
rpm -ev mysql-community-client-5.7.27-1.el7.x86_64
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