2009/11/13 Chris Dennis <[email protected]>: > I'd like to run rsnapshot daily, weekly, and four-weekly (as opposed to > monthly, which would happen after either four or five weekly runs). > > Is there a way to get cron to run a job four-weekly? Google hasn't been > any help. > > Someone suggested > > 30 3 * * Fri/4 rsnapshot-script... > > but that runs every Friday, not every four Fridays (at least it does on > Debian). > > The nearest I've managed is > > 30 3 8-14 * Fri rsnapshot-script... > > which should run on the second Friday of the month (i.e. any Friday > between the 8th and 14th of the month). At least I can be sure that > runs on Friday, and not a different day of the week every month. > > Are there any clever tricks that I've missed? > > cheers > > Chris
Use anacron? From the man page: Anacron can be used to execute commands periodically, with a frequency specified in days. Unlike cron(8), it does not assume that the machine is running continuously. Hence, it can be used on machines that aren't running 24 hours a day.. HTH, Peter -- Please post to: [email protected] Web Interface: https://mailman.lug.org.uk/mailman/listinfo/hampshire LUG URL: http://www.hantslug.org.uk --------------------------------------------------------------
