centos7中crontab定时计划任务5分钟一次命令写法

1.输入命令：

[root@master ~]# crontab -e

2.添加：

*/5 * * * * /usr/share/nginx/spark_run_nginx_log.sh 2&>1 >> /usr/share/nginx/crontab_spark_run_nginx.log

3.等待验证：

[root@master ~]# cd /usr/share/nginx/
[root@master nginx]# ls
crontab_spark_run_nginx.log metastore_db run_log.sh
derby.log          modules    spark_run_nginx_log.sh
html             nginx_log.py test_log_records_add.sh
[root@master nginx]# cat crontab_spark_run_nginx.log 
18年 08月 02日 星期四 11:25:01 CST job start...
 --- rm hdfs output_nginx --- 
 --- rm url information ---
Deleted /user/flume/nginx_log_output_need/url/20180802
 --- rm url information ok---
 --- rm ip404 information ---
Deleted /user/flume/nginx_log_output_need/ip404/20180802
 --- rm ip404 information ok---
 --- rm hdfs output_nginx Done --- 
 --- spark-submit ---

总结