Crontab execution
[root@FMPVZABBIX mysql_backup]# tail -f /var/log/cron
Jul 16 14:12:01 FMPVZABBIX crond[13308]: (root) PAM ERROR (Authentication token is no longer valid; new one required)
Jul 16 14:12:01 FMPVZABBIX crond[13308]: (root) FAILED to authorize user with PAM (Authentication token is no longer valid; new one required)
Jul 16 14:12:34 FMPVZABBIX crontab[13523]: (root) LIST (root)
Jul 16 14:20:01 FMPVZABBIX crond[16530]: (root) PAM ERROR (Authentication token is no longer valid; new one required)
Jul 16 14:20:01 FMPVZABBIX crond[16530]: (root) FAILED to authorize user with PAM (Authentication token is no longer valid; new one required)
[root@FMPVZABBIX ~]# chage -l root
Last password change : Feb 10, 2018
Password expires : May 11, 2018
Password inactive : never
Account expires : never
Minimum number of days between password change : 1
Maximum number of days between password change : 90
Number of days of warning before password expires : 7
Solution:
chage -M 9999 root
https://www.cnblogs.com/likingzi/p/6691320.html