Linux crontab定时任务执行失败处理方案

[root@node2 ~]# cat /etc/crontab
SHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root
HOME=/

*/5 * * * * /mnt/script/postman/b.sh

#!/bin/sh
postman collection run /mnt/script/postman/blade-1.json >> /tmp/cron_test.log

service crond status

Redirecting to /bin/systemctl status crond.service
● crond.service - Command Scheduler
   Loaded: loaded (/usr/lib/systemd/system/crond.service; enabled; vendor preset: enabled)
   Active: active (running) since Sun 2023-06-25 17:01:35 CST; 44min ago
 Main PID: 75796 (crond)
    Tasks: 1
   Memory: 664.0K
   CGroup: /system.slice/crond.service
           └─75796 /usr/sbin/crond -n

Jun 25 17:25:01 node2 crond[75796]: sendmail: fatal: parameter inet_interfaces: no local interface found for ::1

Jun 25 17:49:01 node2 CROND[90291]: (root) CMD (/mnt/script/postman/b.sh)

* * * * * date >> /tmp/cron_test.log

Sun Jun 25 17:52:01 CST 2023

echo $PATH >> /tmp/cron_test.log
postman collection run /mnt/script/postman/blade-1.json >> /tmp/cron_test.log

Sun Jun 25 17:34:01 CST 2023
/usr/bin:/bin

#!/bin/sh

. /etc/profile #环境变量生效 前提是你的命令所在环境有在这个文件中配置
echo $PATH >> /tmp/cron_test.log
postman collection run /mnt/script/postman/blade-1.json >> /tmp/cron_test.log

#!/bin/sh
/usr/local/bin/postman collection run /mnt/dengwei/postman/blade-1.json >> /tmp/cron_test.log