cron 使用笔记

来源：互联网发布：都秀多人视频聊天软件编辑：程序博客网时间：2024/06/07 03:50

重定向输出

/usr/bin/perl /home/joe/netcheck.pl 1>/home/joe/netcheck-stdout.log 2>/home/joe/netcheck-stderr.log &

http://superuser.com/questions/45874/perlscript-runs-fine-when-executed-manually-but-not-under-cron

crontab 相对路径

切换到相应目录

cd $(dirname $0)

http://blog.enkitec.com/2011/05/make-bash-scripts-crontab-compatible/

http://stackoverflow.com/questions/8899737/crontab-run-in-directory

https://kb.mediatemple.net/questions/1588/Troubleshooting+common+issues+with+cron+jobs#gs

使用crontab 运行sh脚本，然后sh运行程序出现：root: command not found

解决方法：

this begins happening from running sudo crontab /etc/crontab, it then makes a cron file for root in /var/spool/cron/crontabs.

run rm /var/spool/cron/crontabs/root and it is fixed.

http://ubuntuforums.org/archive/index.php/t-1035016.html

参考：

https://kb.mediatemple.net/questions/1588/Troubleshooting+common+issues+with+cron+jobs#gs

0 0