MongoDB
Linux MongoDB 启动报错：child process failed
启动 MongoDB 以后就报下面的错误：ERROR: child process failed, exited with error number 100 [失败]
mongo启动报错：mongod.service failed.. control process exited
服务器关机了，重启过后，用/etc/init.d/mongod start 启动mongod，居然报错：
Starting mongod (via systemctl):
Job for mongod.service failed because the control pr...
