Step by step for crontab stop setup 
Sea@sea:/etc/lazada$ sudo crontab -e 1.Edit cron job
0 */6 * * * curl -X POST -d @/etc/lazada/lazada_tracking.txt  http://localhost:8080/booking/rs/LazadaService/post --header "Content-Type:application/json"
Chnage it like :
#0 */6 * * * curl -X POST -d @/etc/lazada/lazada_tracking.txt  http://localhost:8080/booking/rs/LazadaService/post --header "Content-Type:application/json"

2.restart cron job
Sea@sea:/etc/lazada$ sudo /etc/init.d/cron reload
Sea@sea:/etc/lazada$ sudo /etc/init.d/cron restart
3.check crontab if succeed start
Sea@sea:/etc/lazada$ sudo ps -ef| grep cron
root     30871     1  0 12:22 ?        00:00:00 cron

 

/etc/lazada/lazada_tracking.txt   json 数据--> 用于post 
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