Ali linux安装/配置mysql
一、安装mysql
yum search mysql
yum info mysql-server.x86_64
yum install mysql-server
二、启动mysql
安装后检查服务状态:
# systemctl status mysql
Unit mysql.service could not be found.
# systemctl status mysqld
● mysqld.service - MySQL 8.0 database server
Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: enabled)
Active:inactive(dead)
enabled;表明默认开机启动。
#设置开机自启(如果不是默认开启,可以设置默认开机自启)
systemctl enable mysqld
安装后,未启动。
启动服务:
# systemctl start mysqld.service
再次查看服务状态:
# systemctl status mysqld.service
● mysqld.service - MySQL 8.0 database server
Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: enabled)
Active: active (running) since Tue 2025-04-01 16:53:15 CST; 19s ago
……
4月 01 16:53:15 iZ2zeekhrk9twhwtrj9dpmZ systemd[1]: Started MySQL 8.0 database server.
已启动。
查看 mysql 进程:
# ps -ef | grep mysql
mysql 162196 1 2 16:53 ? 00:00:01 /usr/libexec/mysqld --basedir=/usr
root 163710 1660 0 16:53 pts/0 00:00:00 grep --color=auto mysql
三、配置mysql密码
使用root登录mysql(不需要密码)
mysql -uroot
修改原始密码:
ALTER USER 'root'@'localhost' IDENTIFIED BY '123456';
mysql -u root
此时需要输入新密码
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