CentOS 7安装jdk-mysql-nginx

官方文档

手动部署LNMP环境（CentOS 7） (aliyun.com)

安装jdk

yum install -y java-1.8.0-openjdk

安装nginx

yum -y install nginx

启动nginx

systemctl start nginx

 MySQL8.0

Linux安装mysql8.0 - 卿屿 - 博客园 (cnblogs.com)

运行以下命令更新YUM源5.7（执行一行即可，哪行能用用哪个）

rpm -Uvh  http://dev.mysql.com/get/mysql57-community-release-el7-9.noarch.rpm
​
sudo rpm -Uvh http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm

运行以下命令安装MySQL（执行一行即可，哪行能用用哪个）

yum -y install mysql-community-server
​
yum install mysql-server -y

上一行报错执行

yum -y install mysql-community-server --nogpgcheck

运行以下命令查看MySQL版本号

mysql -V

启动mysql服务

systemctl start mysqld 

查看mysql启动状态

systemctl status mysqld.service

设置mysql开机启动

 设置开机自启

systemctl enable mysqld 

 重启systemctl

systemctl daemon-reload 

查看mysql生成的随机密码

grep "password" /var/log/mysqld.log

更改密码

mysql -uroot -p

输入随机密码

set global validate_password_policy=LOW;
set global validate_password_length=4;
alter user 'root'@'localhost' identified by 'root';
ALTER USER 'root'@'localhost' IDENTIFIED BY 'root' PASSWORD EXPIRE NEVER;
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'root';
FLUSH PRIVILEGES;
use mysql;
update user set host = '%' where user ='root';
FLUSH PRIVILEGES;
exit;

 

 删除MySQL
Linux删除MySQL - 卿屿 - 博客园 (cnblogs.com)