停止：
- ps -ef | grep nginx
使用kill -9 删除相应的nginx
2.killall fdfs_trackerd
killall fdfs_storaged
停止nginx 和fdfs
启动：
cd /usr/local/bin/
sudo fdfs_trackerd /etc/fdfs/tracker.conf
sudo fdfs_storaged /etc/fdfs/storage.conf
ps -ef | grep fdfs
能够看到fdfs中tracker storage
cd /usr/local/nginx/sbin
sudo ./nginx
ps -ef | grep nginx
/usr/bin/fdfs_test /etc/fdfs/client.conf upload /home/wilson/Desktop/abcd.txt
能够上传成功，表示fdfs没问题
url: http://192.168.33.134/group1/M00/00/00/wKghhlvDPLGAa7_qAAACRGX2oDY045_big.txt
需要修改端口号，加上端口号8888
数据放在：/home/fastdfs/storage/data/00/00
