我对来自cron的错误邮件有疑问如果我创建两个执行相同的perl脚本的作业,一个作业重定向到/ dev / null或一个日志文件,而一个没有重定向,我只会收到一个错误邮件,而没有重定向]
/etc/cron.d/test-cron MAILTO="[email protected]" * * * * * root /root/test.sh > /dev/null * * * * * root /root/test.sh
/root/test.sh #!/usr/bin/perl use strict; print "test\n"; exit 1;
cron和postfix的syslog输出
May 18 19:14:01 cron-master CRON[31428]: (root) CMD ([31436] /root/test.sh) May 18 19:14:01 cron-master CRON[31428]: (CRON) error (grandchild #31436 failed with exit status 1) May 18 19:14:01 cron-master CRON[31428]: (root) END ([31436] /root/test.sh)
May 18 19:14:01 cron-master CRON[31429]: (root) CMD ([31439] /root/test.sh > /dev/null) May 18 19:14:01 cron-master CRON[31429]: (CRON) error (grandchild #31439 failed with exit status 1) May 18 19:14:01 cron-master CRON[31429]: (root) END ([31439] /root/test.sh > /dev/null)
May 18 19:14:01 cron-master postfix/pickup[28859]: 5537251A9: uid=0 from=<root> May 18 19:14:01 cron-master postfix/cleanup[30966]: 5537251A9: message-id=<20200518191401.5537251A9@[email protected]> May 18 19:14:01 cron-master postfix/qmgr[143]: 5537251A9: from=<[email protected]>, size=674, nrcpt=1 (queue active) May 18 19:14:01 cron-master postfix/smtp[30968]: 5537251A9: to=<[email protected]>, relay=smtp.example.com[80.50.67.97]:587, delay=0.42, delays=0.02/0/0.32/0.09, dsn=2.0.0, status=sent (250 Requested mail action okay, completed: id=1Ma1oK-1jXP8H2tyW-00W08q) May 18 19:14:01 cron-master postfix/qmgr[143]: 5537251A9: removed
我对来自cron的错误邮件有问题,如果我创建了两个执行相同的perl脚本的作业,一个作业重定向到了/ dev / null或一个日志文件,而一个没有重定向,我只会收到一条错误邮件...
您可以使用tee
命令来“分叉”标准输出。