-
Mysql 给与远程权限:
-
GRANT ALL PRIVILEGES ON
. TO ‘root’@‘192.168.1.100’ IDENTIFIED BY ‘’ WITH GRANT OPTION;
flush privileges
centos防火墙查看以及开启
查看已经开放的端口
firewall-cmd --list-ports
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开启端口
firewall-cmd --zone=public --add-port=80/tcp --permanent
命令含义:
–zone #作用域
–add-port=80/tcp #添加端口，格式为：端口/通讯协议
–permanent #永久生效，没有此参数重启后失效
开启端口后记得重启
firewall -cmd --reload
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防火墙其他命令
#停止firewall
systemctl stop firewalld.service
#禁止firewall开机启动
systemctl disable firewalld.service
postman 模拟ajax请求
header 里设置
Content-Type: application/x-www-form-urlencoded
X-Requested-With:XMLHttpRequest
查看当前链接
show status like ‘Threads%’;
查看数据库最大连接
show variables like ‘%max_connections%’;
修改最大链接
set global max_connections=10000;