Scheduling One Time Tasks With AT

Scheduling tasks is a great strength of Linux. Many administrative tasks such as scheduling backups, rotating log files, synchronizing time, etc. are done on a recurring basis with little to no user intervention using cron or anacron.

While cron and anacron facilities are great for recurring tasks, how can a user schedule simple tasks that only need to be run “one time” during the middle of the night or on a future date? The AT command is the answer. AT is one of those commands that a lot of people don’t know about but it can be very useful.

AT’s commandline syntax makes scheduling those “one time” tasks quick and easy. Let’s get started with some examples.
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CentOS 5.2 – Basic Server Setup

centosIn this article, i walk through a vanilla install of CentOS 5.2.  This article forms the foundation in an ongoing series of CentOS based tutorials. These tutorials are aimed at bringing  readers up to speed on linux server management techniques while helping them develop a useful set of linux administrator skills.

CentOS also know as “Community Enterprise Operating System” is an Enterprise-class Linux Distribution derived from sources freely provided to the public by a prominent North American Enterprise Linux vendor. CentOS conforms fully with the upstream vendors redistribution policy and aims to be 100% binary compatible.
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