CentOS系统 MySQL无法启动Job for mysqld.service failed. See systemctl status mysqld.service and journalc
systemctlstartmysqld启动MySQL报错Jobformysqld.servicefailed.Seesystemctlstatusmysqld.serviceandjournalctl-xnfordetails.然后查看错误日志cat/var/log/mysqld.log|grepERROR#只查看具体的报错日志,省略了其他类型的日志Cantopenthemysql.plugin