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使用CentOS7 执行定时脚本，结果提示报错：/bin/sh: root: command not found问题在于文件 /var/spool/cron/root ，中无需再写root。修改之后的脚本：[root@localhost cron]# crontab -l*/10 * * * * perl /home/awstats/wwwroot/cgi-bin/awstats.pl -update -config=www.zbphp.com >> /sbin/null 2>&1文件 /etc/crontab 全部内容：[root@localhost ~]# nano /etc/crontabSHELL=/bin/bashPATH=/sbin:/bin:/usr/sbin:/usr/binMAILTO=root# For details see man 4 crontabs# Example of job definition:# .---------------- minute (0 - 59)# | .------------- hour (0 - 23)# | | .---------- day of month (1 - 31)# | | | .------- month (1 - 12) OR jan,feb,mar,apr ...# | | | | .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat# | | | | |# * * * * * user-name command to be executed查看crontab 状态：[root@localhost logs]# service crond statusRedirecting to /bin/systemctl status crond.servicecrond.service - Command Scheduler Loaded: loaded (/usr/lib/systemd/system/crond.service; enabled) Active: active (running) since Sat 2014-10-18 19:13:38 HKT; 31min ago Main PID: 17467 (crond) CGroup: /system.slice/crond.service └─17467 /usr/sbin/crond -nOct 18 19:13:38 localhost.localdomain crond[17467]: (CRON) INFO (RANDOM_DELAY will be scaled with factor 56% if used.)Oct 18 19:13:38 localhost.localdomain crond[17467]: (CRON) INFO (running with inotify support)Oct 18 19:13:38 localhost.localdomain crond[17467]: (CRON) INFO (@reboot jobs will be run at computer's startup.)Oct 18 19:24:01 localhost.localdomain crond[17467]: (*system*) RELOAD (/etc/crontab)Oct 18 19:27:01 localhost.localdomain crond[17467]: (root) RELOAD (/var/spool/cron/root)Oct 18 19:32:01 localhost.localdomain crond[17467]: (root) RELOAD (/var/spool/cron/root)Oct 18 19:33:01 localhost.localdomain crond[17467]: (root) RELOAD (/var/spool/cron/root)Oct 18 19:34:01 localhost.localdomain crond[17467]: (root) RELOAD (/var/spool/cron/root)Oct 18 19:38:01 localhost.localdomain crond[17467]: (root) RELOAD (/var/spool/cron/root)Oct 18 19:40:01 localhost.localdomain crond[17467]: (root) RELOAD (/var/spool/cron/root)by default7#zbphp.com
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