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查看cron运行日志

tail -f /var/log/cron

  报如下错误:

May  8 10:14:01 localhost crond[9399]: (root) FAILED to authorize user with PAM (Module is unknown)
May  8 10:14:01 localhost crond[9400]: (root) FAILED to authorize user with PAM (Module is unknown)

  

网上有如下解决方法:

  • 修改/etc/pam.d/crond,把把所有required改成sufficient,这个可能对非root用户管用。
#
# 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

  

最终解决办法:

重启crond服务

/etc/init.d/crond restart