执行脚本

#!/bin/sh  
  
echo "==================== start clean docker containers logs =========================="  
  
logs=$(find /var/lib/docker/containers/ -name *-json.log)  
  
for log in $logs  
        do  
                echo "clean logs : $log"  
                cat /dev/null > $log  
        done  
  
  
echo "==================== end clean docker containers logs   =========================="  

定时任务

1 1 * * * /root/clearDockerLog.sh 1>/dev/null 2>/dev/null