1.输入命令:
代码语言:javascript复制[root@master ~]# crontab -e
2.添加:
代码语言:javascript复制*/5 * * * * /usr/share/nginx/spark_run_nginx_log.sh 2&>1 >> /usr/share/nginx/crontab_spark_run_nginx.log
3.等待验证:
代码语言:javascript复制[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
以上所述是小编给大家介绍的centos7中crontab定时计划任务5分钟一次命令写法,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对ZaLou.Cn网站的支持!