ubuntu 定时、开机启动例子

来源：互联网发布：生意宝采集软件编辑：程序博客网时间：2024/06/07 08:03

# /etc/crontab: system-wide crontab# Unlike any other crontab you don't have to run the `crontab'# command to install the new version when you edit this file# and files in /etc/cron.d. These files also have username fields,# that none of the other crontabs do.SHELL=/bin/shPATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin# m h dom mon dow user  command17 *    * * *   root    cd / && run-parts --report /etc/cron.hourly25 6    * * *   root    test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily )47 6    * * 7   root    test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.weekly )52 6    1 * *   root    test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.monthly )*/1 * * * *     root    date >> /home/time.log  */5 * * * *     root    /usr/share/nginx/sh/du.sh #定时分钟执行du.sh#

"/etc/crontab" 17L, 817C

service cron restartservice cron startservice cron stop

#du.sh

#!/bin/bashIFS=':'#echo "Employee Names:"#echo "---------------"while read name empid deptdo                if [ ! $name ]; then                                echo date >>/usr/share/nginx/sh/du.log                         echo "IS NULL" >> /usr/share/nginx/sh/du.log                else                        echo date >> /usr/share/nginx/sh/du.log                        echo "$name is part of $name department">> /usr/share/nginx/sh/du.log                        mkdir /usr/share/nginx/www/files/ws/video/videolist/$name                        ffmpeg -i /usr/share/nginx/www/files/ws/video/tmpvideo/$name -y -ab 32 -ar 22050 -qscale 10 -s 640*480 -r 15 /usr/share/nginx/www/files/ws/video/videolist/$name/index.mp4                       sed -i '1d' /usr/share/nginx/sh/record.txt                       rm -rf /usr/share/nginx/www/files/ws/video/tmpvideo/$name                        break                fidone < /usr/share/nginx/sh/record.txtexit 0

在/etc/init.d/rc.local中设置开机启动

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