ubuntu启动mysql报错mysql.service: Main process exited, code=exited, status=1/FAILURE

1.这种情况下查看下 mysql运行日志
cd /var/log/mysql/
tail -f error.log

2.查看系统磁盘
df -h
没充足的空间也会导致启动失败
删除没用文件重启mysql即可
find / -type f -size +100M