包含标签 crontab articles

Linux crontab提权攻击

crontab定时任务是LINUX上最常用的一个功能,不过使用不当很容易受到提权。使用crontab时请注意以下两点: crontab任务千万不要写到/etc/crontab文件里,这是很危险的。通过crontab -e去创建,让他写到默认的/var/spool/cron下; 能不用 root……

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帐户安全加固导致crontab -l无法输出

一、故障现象 数据库用户反馈在oracle用户下执行crontab -l 无法正常输出结果,而且有错误提示:Authentication token is no longer valid; new one required ,You (oracle) are not allowed to access to (crontab) because of pam configuration. 。而其他用户执行正常。 crontab auth vaild 二、故障处理与解决 由于提到了pam 配置,所以先是查看了/etc/pam.d/……

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crontab及其相关文件

用户的crontab设定: crontab命令 这个循环的例行性命令其实就是cron服务(crond).输入crontab指令之后,会将命令写入/var/spool/cron目录中,该操作不需要重启服务,即可生效。 crontab指令的语法: #crontab [-u user][-l | -e | -r] 说明: -u user: 这个指令只有root……

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