Linux Timer Scheduler runs once per second

Linux operating system The minimum granularity of the timing scheduler can only be adjusted to the minute level, work sometimes need to be in the second schedule, so you need to write scripts to implement

#!/bin/bashwhile [true]; Do/bin/sleep #在这里能够编写自己复杂的业务代码netstat-N | grep 8020 >>/root/data/flume.logecho 10.58...### ' Date ' >>/root/data/flume.logdone

After writing, submit the script (mycrontab.sh) to the background to run: nohup./mycrontab.sh >/dev/null 2>&1 &

Linux Timer Scheduler runs once per second