crontab命令用于设置周期性被执行的指令。该命令从标准输入设备读取指令，并将其存放于“crontab”文件中，以供之后读取和执行。 可以使用crontab ...

"It is certainly a tool that every system administrator should be aware of and use to automate mundane routine tasks such as backups and taking applications offline." It's common to need an action ...

It sure beats having to remember to run your backups by hand, for example. But cron does have its limits. Today's enterprises are larger, more interdependent, and more interconnected than ever before, ...