Thanks a lot. I just think it's at least a `weak' bug: Any crontab item specifying the minute slot as `*' may be a potential disaster.
On Sun, Jan 23, 2011 at 00:32, elbbit <elb...@gmail.com> wrote: > On 23/01/11 05:14, Kejia柯嘉 wrote: >> On Sun, Jan 23, 2011 at 12:11 AM, Kejia柯嘉 <w.ke...@gmail.com> wrote: >>> How does the following crontab line run: >>> * 1 * * * * my_command >>> Every minute of every 1 o'clock? Or only once of every 1 o'clock? >> Sorry, the crontab line is: >> * 1 * * * my_command >> > > You need to understand how cron(8) matches the time code you set in the > configuration file. To re-iterate the man page available with "man 5 > crontab": > > field allowed values > ----- -------------- > minute 0-59 > hour 0-23 > day of month 1-31 > month 1-12 (or names, see below) > day of week 0-7 (0 or 7 is Sun, or use names) > > A field may be an asterisk (*), which always stands for ``first-last''. > > So, using the above as a guide, I approximate a translation of your > configuration line as saying: "at every minute of the hour 1 on every > day of month and during every month and on every day of the week please > run command my_command" > > Hope this helps. > > -- > > elbbit > > > -- > To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org > with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org > Archive: http://lists.debian.org/4d3bbd60.1030...@gmail.com > > -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/AANLkTimThDbzcTbOUU-Ythbf9phBkjMX=mojqkrdw...@mail.gmail.com
