BigHoney15

Results 2 issues of BigHoney15

![9b7a6edf7c4a8b0705ea867d5c0a008](https://user-images.githubusercontent.com/69409210/114813719-42e04e00-9de5-11eb-8d25-f3d57149b2d0.jpg) ![b1d9f80afb07ea8be57ef2df55699bb](https://user-images.githubusercontent.com/69409210/114813761-58557800-9de5-11eb-8f2e-9226a4d4f3f0.jpg) 本人采用虚拟机linux的方式按照说明的步骤安装paddlefl,系统为Ubuntu18.04,python2.7,pip20.3.4 无论用pip安装还是用redis安装都会出现这种情况

In centos7 system, lsof has been installed in root using yum. But in the services start section, there is still a problem that lsof "command not found". How to solve...