错误about to fork child process, waiting until server is ready for connections. forked process: 14647 ERROR: child process failed, exited with error number 48 To see additional information in this output, start without the “–fork” option.
这是因为已经存在了一个服务
输入命令1 ：
ps aux
|grep mongo（你的服务名字）
2.杀死ta
kill -9 3290
(显示的进程ID
)
再重新启动就好了
