You (oracle) are not allowed to access to (crontab) because of pam configuration.

[oracle@server01:/home/oracle]$crontab -l
You (oracle) are not allowed to access to (crontab) because of pam configuration.
 
---检查帐号是否过期
[root@server01 ~]# chage -l oracle
Last password change                                    : Aug 16, 2023
Password expires                                        : Nov 14, 2023
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

---设置帐号永不过期
[root@server01 ~]# chage -M 99999 oracle
 
---验证修改
[root@server01 ~]# chage -l oracle
Last password change                                    : Aug 16, 2023
Password expires                                        : never
Password inactive                                       : never
Account expires                                         : never
Minimum number of days between password change          : 1
Maximum number of days between password change          : 99999
Number of days of warning before password expires       : 7


[oracle@server01:/home/oracle]$crontab -l
no crontab for oracle





1.查看定时任务日志
tail -200 /var/log/cron

2.查看crond内容
more /etc/pam.d/crond

#
# The PAM configuration file for the cron daemon
#
#
# No PAM authentication called, auth modules not needed
account    required   pam_access.so
account    include    password-auth
session    required   pam_loginuid.so
session    include    password-auth
auth       include    password-auth

3.修改pam文件:
# cp /etc/pam.d/crond /etc/pam.d/crond.bak
# more /etc/pam.d/crond

account    sufficient   pam_access.so
account    include    system-auth
session    sufficient   pam_loginuid.so
session    include    system-auth
auth       sufficient pam_rootok.so
auth       required   pam_env.so
auth       include    system-auth

4.重启crond
# /etc/init.d/crond restart
# service cornd restart

5.验证
$ crontab -l