标签：systemd target service 创建 systemctl mysqld mysql
vim /usr/lib/systemd/system/mysqld.service
写入system配置：
[Unit]
Description=MySQL Server
Documentation=mysqld
##mysql参考手册
Documentation=http://dev.mysql.com/doc/refman/en/using-systemd.html
After=network.target
After=syslog.target
[Install]
WantedBy=multi-user.target
[Service]
User=mysql
Group=mysql
ExecStart=/data/mysql/bin/mysqld --defaults-file=/etc/my.cnf
LimitNOFILE = 5000
重读systemd：
systemctl daemon-reload
启动服务，查看启动状态，并设置开机自启：
systemctl start mysqld.service
systemctl status mysqld.service
systemctl enable mysqld.service
标签：systemd,
target,
service,
创建,
systemctl,
mysqld,
mysql
From： https://www.cnblogs.com/HJ-study/p/17387734.html